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ECS X79R AX Review | 107 Data compared

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  • Avg. price in UK: ~£280
  • Avg. price in US: ~$240
  • CPU socket: LGA 2011
  • Chipset: Intel X79
  • Form factor: ATX

ECS X79R AX review. Compare 107 technical specifications and user reviews to see how it ranks among motherboards and if it is worth buying.

4.8

Overall score

What it is: An overall evaluation of the motherboard's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best motherboards on the market.

Score components:

90.0%

4.9

Technical Score

10.0%

4.6

User score

Poor
4.9

Technical Score

What it is: An assessment of the motherboard's technical performance, covering key areas such as power delivery, CPU and memory support, expansion, storage, connectivity, cooling, BIOS features, and design.

When it matters: When you want to compare motherboards based on technical performance and available features.

Score components:

19.0%

4.3

Memory

16.0%

5.9

Platform & Features

16.0%

3.6

Storage

15.0%

6.3

Network

13.0%

4.4

Ports & USB

8.0%

3.0

Expansion

8.0%

4.6

Power & Cooling

5.0%

8.2

Audio

Poor
4.6

User score

What it is: A rating that combines user reviews and the total number of reviews received by the motherboard.

When it matters: When you want to understand how a motherboard performs in real-world builds and how reliable it is in terms of stability, BIOS usability, connectivity, and long-term ownership.

Score components:

70.0%

6.0

User reviews

30.0%

1.2

Popularity

User score:
United Kingdom
amazon
3.0
(2)
United States
Amazon_logo.png
3.0
(2)

(Reviews last updated: May 2026)

Poor
  • 3.4
    Gaming

    Score components:

    28.0%

    7.1

    VRM phases

    22.0%

    1.0

    N. of M.2 sockets

    18.0%

    4.6

    LAN speed

    17.0%

    1.3

    Maximum RAM speed

    15.0%

    1.0

    N. of PCIe 5.0 x16 slots

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ecs-x79r-ax

Best prices in UK

Best rankings

?

Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The ECS X79R-AX is an enthusiast-grade ATX motherboard built on the Intel X79 Express chipset and LGA 2011 socket, designed to support Sandy Bridge-E processors. Key characteristics include four PCIe 3.0 x16 slots supporting 4-Way SLI or CrossFireX, quad-channel DDR3 memory support up to 64GB (overclocked to 2500MHz), and a unique storage configuration featuring ten SATA ports, including four rarely seen SAS 6Gb/s connectors. Main pros include its extensive connectivity with integrated Bluetooth, Wi-Fi dongles, dual Gigabit LAN, and a robust 14-phase PWM power delivery system for stable overclocking. However, notable cons include the presence of only four DIMM slots—limiting total memory capacity compared to 8-slot rivals—slower USB 3.0 performance from the Texas Instruments controller, and potential driver complexities for the enabled SAS ports.

Technical Specifications of ECS X79R AX

Technical Score

What it is: An assessment of the motherboard's technical performance, covering key areas such as power delivery, CPU and memory support, expansion, storage, connectivity, cooling, BIOS features, and design.

When it matters: When you want to compare motherboards based on technical performance and available features.

Score components:

19.0%

4.3

Memory

16.0%

5.9

Platform & Features

16.0%

3.6

Storage

15.0%

6.3

Network

13.0%

4.4

Ports & USB

8.0%

3.0

Expansion

8.0%

4.6

Power & Cooling

5.0%

8.2

Audio

4.9
ECS X79R AX has a technical score of 4.86 points, which is lower than that of 82% of products in this category.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the motherboard.

When it matters: When you want to understand how a motherboard performs in real-world builds and how reliable it is in terms of stability, BIOS usability, connectivity, and long-term ownership.

Score components:

70.0%

6.0

User reviews

30.0%

1.2

Popularity

User score:
United Kingdom
amazon
3.0
(2)
United States
Amazon_logo.png
3.0
(2)

(Reviews last updated: May 2026)

4.6
ECS X79R AX has a user score of 4.56 points, which is lower than that of 99.1% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by the motherboard.
When it matters: When you prefer a motherboard that has already been bought and reviewed by many other users.
1.2
ECS X79R AX has a popularity of 1.2 points, which is lower than 76.5% of products in this category.
Ratio quality/price

What it is: An indicator that combines the motherboard's overall rating with its cost.

When it matters: When you are looking for a motherboard that offers a strong balance of features, performance, and price.

Score components:

60.0%

4.8

Overall score

40.0%

9.0

Price

6.1
ECS X79R AX has a quality-to-price ratio of 6.1 points, which is lower than 91.7% of products in this category.
Brand name
What it is: The brand that makes the motherboard.
When it matters: When you have a brand preference for support, BIOS, or build quality.

Importance: MEDIUM

ECS
CPU socket
What it is: The socket type the motherboard is built to support.
When it matters: When you need the motherboard to match a specific CPU.

Importance: HIGH

LGA 2011
ECS X79R AX uses the LGA 2011 CPU socket, which is less advanced than that of 86.8% of motherboards and equal to that of 1.5% of motherboards.
CPU platform

Importance: MEDIUM

Intel
Chipset
What it is: The chipset that defines the motherboard platform and many of its features.
When it matters: When you compare platform features, connectivity, and CPU support.

Importance: HIGH

Intel X79
ECS X79R AX uses the Intel X79 chipset, which is less advanced than that of 69.8% of motherboards and equal to that of 1.2% of motherboards.
Form factor
What it is: The physical size standard of the motherboard, such as ATX or Micro-ATX.
When it matters: When you need the board to fit a specific case size.

Importance: HIGH

ATX
ECS X79R AX has the ATX form factor, which is more versatile than that of 47.8% of motherboards and equal to that of 52.2% of motherboards.
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DDR memory version
What it is: The RAM generation the motherboard supports, such as DDR4 or DDR5.
When it matters: When you need the board to match a certain memory platform.

Importance: HIGH

Good value: DDR5

DDR3
ECS X79R AX uses DDR3 memory, which is older than that of 86.6% of motherboards and equal to that of 13.4% of motherboards.
Memory slots
What it is: The number of RAM slots on the motherboard.
When it matters: When you want more room for future memory upgrades.

Importance: HIGH

Good value: >=4

4
ECS X79R AX has 4 Memory slots, which is more than 21.5% of motherboards and equal to 72.5% of motherboards.
Maximum memory capacity
What it is: The largest total amount of RAM the motherboard supports.
When it matters: When you plan a build with very high memory capacity.

Importance: HIGH

Good value: >=128 GB

64 GB
ECS X79R AX supports up to 64 GB of memory, which is less than 62.6% of motherboards and equal to 24.3% of motherboards.
Memory channels
What it is: The memory channel configuration supported by the motherboard platform.
When it matters: When memory bandwidth matters for your build.

Importance: MEDIUM

4
ECS X79R AX supports 4 memory channels, which is more than 92.8% of motherboards and equal to 6.9% of motherboards.
Maximum RAM speed
What it is: The highest officially supported memory speed for the motherboard.
When it matters: When you choose RAM and want to know the supported speed ceiling.

Importance: HIGH

Good value: >=6400 MT/s

1,800 MT/s
ECS X79R AX supports memory speeds up to 1800 MT/s, which is lower than that of 93% of motherboards and equal to that of 0.1% of motherboards.
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N. of M.2 sockets
What it is: The number of M.2 slots available on the motherboard.
When it matters: When you want room for more NVMe or M.2 drives.

Importance: HIGH

Good value: >=3

0
ECS X79R AX has 0 M.2 sockets, which is fewer than 88.4% of motherboards and equal to 11.7% of motherboards.
M.2 slot interface per slot
What it is: The storage or PCIe interface available for each M.2 slot on the motherboard.
When it matters: When you want to check which drives each M.2 slot can use.

Importance: HIGH

N/A
N. of SATA 3 connectors
What it is: The number of SATA 6Gb/s connectors on the motherboard.
When it matters: When you plan to connect multiple SATA drives.

Importance: MEDIUM

Good value: >=6

8
ECS X79R AX has 8 SATA 3 connectors, which is more than 85.5% of motherboards and equal to 11.2% of motherboards.
Supported RAID levels
What it is: The RAID modes officially supported by the motherboard storage platform.
When it matters: When you plan to use multiple drives in a RAID setup.

Importance: MEDIUM

0/1/5/10
ECS X79R AX supports RAID levels 0/1/5/10, which is broader than 31.8% of motherboards and equal to 68.2% of motherboards.
NVMe RAID support
What it is: Shows whether the board supports RAID configurations that use NVMe SSDs.
When it matters: When you plan to use multiple NVMe drives in RAID.

Importance: LOW

no
ECS X79R AX does not support NVMe RAID. 59.8% of motherboards support this feature.
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N. of PCIe 5.0 x16 slots
What it is: The number of PCIe 5.0 x16 physical slots on the motherboard.
When it matters: When you want the newest high-bandwidth expansion slots.

Importance: HIGH

Good value: >=1

0
ECS X79R AX has 0 PCIe 5.0x16 slots, which is equal to 68.5% of motherboards.
N. of PCIe 4.0 x16 slots
What it is: The number of PCIe 4.0 x16 physical slots on the motherboard.
When it matters: When you want more room for modern expansion cards.

Importance: HIGH

Good value: >=1

0
ECS X79R AX has 0 PCIe 4.0x16 slots, which is equal to 55.6% of motherboards.
N. of PCIe 3.0 x16 slots
What it is: The number of PCIe 3.0 x16 physical slots on the motherboard.
When it matters: When you need more full-length expansion slots.

Importance: MEDIUM

4
ECS X79R AX has 4 PCIe 3.0x16 slots, which is more than 93.9% of motherboards and equal to 3.5% of motherboards.
PCIe slot electrical configuration
What it is: The actual lane wiring used by the motherboard PCIe slots.
When it matters: When you need to know how much bandwidth each slot really gets.

Importance: HIGH

x16/x0/x16/x0, x16/x8/x8/x0, x8/x8/x8/x8, x16/x16
ECS X79R AX uses x16/x0/x16/x0, x16/x8/x8/x0, x8/x8/x8/x8, x16/x16 for PCIe slot electrical configuration, which is more flexible than that of 90.9% of motherboards.
PCIe bifurcation support
What it is: Shows whether the board can split PCIe lanes across multiple devices from one slot or link.
When it matters: When you plan multi-SSD adapters or more advanced expansion setups.

Importance: MEDIUM

no
ECS X79R AX does not support PCIe bifurcation. 61% of motherboards support this feature.
Requires BIOS mod.
Show more
Total USB ports (rear I/O)
What it is: The total number of rear USB ports available on the motherboard.
When it matters: When you use many USB devices directly from the back of the PC.

Importance: MEDIUM

Good value: >=8

10
ECS X79R AX has 10 USB ports (rear I/O), which is more than 75.6% of motherboards and equal to 15.7% of motherboards.
Total USB ports (including headers)
What it is: The total number of USB ports supported when rear ports and internal headers are counted together.
When it matters: When you want to know the board's full USB expansion potential.

Importance: MEDIUM

Good value: >=14

16
ECS X79R AX has 16 USB ports (including headers), which is more than 61.8% of motherboards and equal to 10.2% of motherboards.
Total USB-C ports (rear I/O)
What it is: The total number of rear USB-C ports on the motherboard.
When it matters: When you want more USB-C devices connected without adapters.

Importance: MEDIUM

Good value: >=1

0
ECS X79R AX has 0 USB-C ports (rear I/O), which is fewer than 64.6% of motherboards and equal to 35.4% of motherboards.
Total USB-C ports (including headers)
What it is: The total number of USB-C ports supported when rear ports and internal headers are counted together.
When it matters: When you want more USB-C connectivity across the whole build.

Importance: MEDIUM

Good value: >=2

0
ECS X79R AX has 0 USB-C ports (including headers), which is fewer than 69.6% of motherboards and equal to 30.4% of motherboards.
N. of USB 3.2 Gen2x2 ports (USB-C)
What it is: The number of rear USB 3.2 Gen2x2 Type-C ports on the motherboard.
When it matters: When you want very fast USB-C connectivity on the rear I/O.

Importance: HIGH

Good value: >=1

0
ECS X79R AX has 0 USB 3.2 Gen2x2 ports (USB-C), which is equal to 81.6% of motherboards.
Show more
LAN speed
What it is: The maximum wired Ethernet speed supported by the motherboard.
When it matters: When you want faster wired networking.

Importance: HIGH

Good value: 2.5GbE

1 Gbps
ECS X79R AX supports LAN speeds up to 1 Gbps, which is lower than that of 50.8% of motherboards and equal to that of 49.1% of motherboards.
dual 1GbE ports
LAN controller
What it is: The model of onboard Ethernet controller used by the motherboard.
When it matters: When you compare networking hardware quality and features.

Importance: MEDIUM

Realtek RTL8111E
ECS X79R AX uses the Realtek RTL8111E LAN controller, which is less advanced than that of 89.3% of motherboards and equal to that of 1.7% of motherboards.
N. of RJ45 ports
What it is: The number of wired Ethernet ports on the motherboard.
When it matters: When you need one or more wired network connections.

Importance: LOW

2
ECS X79R AX has 2 RJ45 ports, which is more than 85.6% of motherboards and equal to 13.5% of motherboards.
Wi-Fi connectivity
What it is: Shows whether the motherboard includes onboard Wi-Fi hardware instead of requiring a separate adapter.
When it matters: When you want wireless networking without adding an extra card.

Importance: MEDIUM

yes
ECS X79R AX supports Wi-Fi connectivity. 50.9% of motherboards support this feature.
Wi-Fi version
What it is: The supported Wi-Fi generation, such as Wi-Fi 6 or Wi-Fi 7.
When it matters: When you care about wireless speed and router compatibility.

Importance: MEDIUM

Good value: Wi-Fi 6E (802.11ax)

Wi-Fi 4 (802.11n)
ECS X79R AX supports Wi-Fi 4 (802.11n), which is older than that of 50.3% of motherboards and equal to that of 1.2% of motherboards.
Show more
Audio codec
What it is: The onboard audio codec used by the motherboard.
When it matters: When sound quality from the built-in audio matters to you.

Importance: MEDIUM

Realtek ALC892
ECS X79R AX uses the Realtek ALC892 audio codec, which is less advanced than that of 80.1% of motherboards and equal to that of 8.5% of motherboards.
Audio channels
What it is: The audio channel configuration supported by the onboard sound solution.
When it matters: When you want surround sound from the motherboard audio outputs.

Importance: LOW

Good value: 7.1

7.1
ECS X79R AX offers 7.1 audio channels, which is more than 4.9% of motherboards and equal to 95.1% of motherboards.
Audio SNR
What it is: The signal-to-noise ratio of the onboard audio solution.
When it matters: When you care about cleaner onboard audio output.

Importance: MEDIUM

Good value: >=120 dB

?
Headphone amp support
What it is: Shows whether the onboard audio path includes dedicated headphone amplification for harder-to-drive headsets.
When it matters: When you use harder-to-drive headphones from the onboard audio.

Importance: LOW

?
N. of 3.5mm audio jacks
What it is: The number of rear 3.5mm audio jacks on the motherboard.
When it matters: When you want more analog audio connection options.

Importance: LOW

Good value: >=5

5
ECS X79R AX has 5 3.5mm audio jacks, which is more than 49.8% of motherboards and equal to 36.8% of motherboards.
Show more
VRM phases
What it is: The number of power-delivery phases used by the motherboard VRM.
When it matters: When you care about CPU power delivery and overclocking headroom.

Importance: HIGH

Good value: >=12

14
ECS X79R AX has 14 VRM phases, which is more than 69.3% of motherboards and equal to 1.8% of motherboards.
N. of CPU power connectors
What it is: The number of CPU power connectors on the motherboard.
When it matters: When you care about power delivery for higher-end CPUs.

Importance: HIGH

Good value: >=2

1
ECS X79R AX has 1 CPU power connectors, which is equal to 54.5% of motherboards.
N. of fan headers
What it is: The number of headers available for case or CPU fans.
When it matters: When your build uses several fans.

Importance: MEDIUM

Good value: >=6

5
ECS X79R AX has 5 fan headers, which is more than 35.8% of motherboards and equal to 14.5% of motherboards.
Pump header
What it is: Shows whether the motherboard includes a dedicated header designed for a liquid-cooling pump.
When it matters: When you build with an AIO or custom liquid cooling loop.

Importance: MEDIUM

no
ECS X79R AX does not have a pump header. 77% of motherboards include this feature.
Pump header max current
What it is: The maximum current the dedicated pump header can supply.
When it matters: When you want to make sure the pump header can power your cooling setup.

Importance: LOW

Good value: >=2 A

0 A
ECS X79R AX supports up to 0 A on the pump header, which is lower than that of 74.3% of motherboards and equal to that of 25.7% of motherboards.
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ECS X79R AX vs the average motherboard

  • 2 more rear USB ports
    ECS X79R AX has more rear USB ports than the average motherboard (10 vs 8). The average motherboard has 8 rear USB port/s.
    What it is: The total number of rear USB ports available on the motherboard.
    When it matters: When you use many USB devices directly from the back of the PC.

    Importance: MEDIUM

    Good value: >=8

    ECS X79R AX has more rear USB ports than the average motherboard (10 vs 8). The average motherboard has 8 rear USB port/s.10 vs 8
  • 1 more RJ45 ports
    ECS X79R AX has more RJ45 ports than the average motherboard (2 vs 1). The average motherboard has 1 RJ45 port/s.
    What it is: The number of wired Ethernet ports on the motherboard.
    When it matters: When you need one or more wired network connections.

    Importance: LOW

    ECS X79R AX has more RJ45 ports than the average motherboard (2 vs 1). The average motherboard has 1 RJ45 port/s.2 vs 1
  • More flexible PCIe lane configuration
    ECS X79R AX has more flexible PCIe lane configuration than the average motherboard (x16/x0/x16/x0, x16/x8/x8/x0, x8/x8/x8/x8, x16/x16 vs x16/x1). The average motherboard uses x16/x1 PCIe slot lane configuration.
    What it is: The actual lane wiring used by the motherboard PCIe slots.
    When it matters: When you need to know how much bandwidth each slot really gets.

    Importance: HIGH

    ECS X79R AX has more flexible PCIe lane configuration than the average motherboard (x16/x0/x16/x0, x16/x8/x8/x0, x8/x8/x8/x8, x16/x16 vs x16/x1). The average motherboard uses x16/x1 PCIe slot lane configuration.x16/x0/x16/x0, x16/x8/x8/x0, x8/x8/x8/x8, x16/x16 vs x16/x1
  • Includes POST code display
    ECS X79R AX has a POST code display, while the average motherboard does not. 27.2% of motherboards include a POST code display.
    What it is: Shows whether the board includes a diagnostic POST code readout for boot troubleshooting.
    When it matters: When you troubleshoot boot issues and want clearer error information.

    Importance: LOW

    ECS X79R AX has a POST code display, while the average motherboard does not. 27.2% of motherboards include a POST code display.
  • Supports Wi-Fi
    ECS X79R AX supports Wi-Fi connectivity, while the average motherboard does not. 49.1% of motherboards support Wi-Fi connectivity.
    What it is: Shows whether the motherboard includes onboard Wi-Fi hardware instead of requiring a separate adapter.
    When it matters: When you want wireless networking without adding an extra card.

    Importance: MEDIUM

    ECS X79R AX supports Wi-Fi connectivity, while the average motherboard does not. 49.1% of motherboards support Wi-Fi connectivity.
  • 4 more SATA 2 connectors
    ECS X79R AX has more SATA 2 connectors than the average motherboard (4 vs 0). The average motherboard has 0 SATA 2 connectors.
    What it is: The number of SATA 3Gb/s connectors on the motherboard.
    When it matters: When you still use older SATA devices.

    Importance: LOW

    ECS X79R AX has more SATA 2 connectors than the average motherboard (4 vs 0). The average motherboard has 0 SATA 2 connectors.4 vs 0
  • 4 more SATA 3 connectors
    ECS X79R AX has more SATA 3 connectors than the average motherboard (8 vs 4). The average motherboard has 4 SATA 3 connectors.
    What it is: The number of SATA 6Gb/s connectors on the motherboard.
    When it matters: When you plan to connect multiple SATA drives.

    Importance: MEDIUM

    Good value: >=6

    ECS X79R AX has more SATA 3 connectors than the average motherboard (8 vs 4). The average motherboard has 4 SATA 3 connectors.8 vs 4
  • Rear-panel CMOS reset button
    ECS X79R AX has a rear-panel CMOS reset button, while the average motherboard does not. 26.5% of motherboards include a rear-panel CMOS reset button.
    What it is: A rear I/O button used to clear BIOS or CMOS settings quickly.
    When it matters: When you overclock or troubleshoot and want an easier reset method.

    Importance: LOW

    ECS X79R AX has a rear-panel CMOS reset button, while the average motherboard does not. 26.5% of motherboards include a rear-panel CMOS reset button.
  • Includes POST code display
    ECS X79R AX has a POST code display, while the average motherboard does not. 27.2% of motherboards include a POST code display.
  • Rear-panel CMOS reset button
    ECS X79R AX has a rear-panel CMOS reset button, while the average motherboard does not. 26.5% of motherboards include a rear-panel CMOS reset button.
  • Includes onboard power button
    ECS X79R AX has an onboard power button, while the average motherboard does not. 27.7% of motherboards include an onboard power button.
  • Includes onboard reset button
    ECS X79R AX has an onboard reset button, while the average motherboard does not. 27.6% of motherboards include an onboard reset button.
  • More memory channels
    ECS X79R AX has more memory channels than the average motherboard (4 vs 2). The average motherboard has 2 memory channel/s.
  • 4 more SATA 2 connectors
    ECS X79R AX has more SATA 2 connectors than the average motherboard (4 vs 0). The average motherboard has 0 SATA 2 connectors.
  • 4 more SATA 3 connectors
    ECS X79R AX has more SATA 3 connectors than the average motherboard (8 vs 4). The average motherboard has 4 SATA 3 connectors.
  • More flexible PCIe lane configuration
    ECS X79R AX has more flexible PCIe lane configuration than the average motherboard (x16/x0/x16/x0, x16/x8/x8/x0, x8/x8/x8/x8, x16/x16 vs x16/x1). The average motherboard uses x16/x1 PCIe slot lane configuration.
  • 1 more PCIe x1 slots
    ECS X79R AX has more PCIe x1 slots than the average motherboard (2 vs 1). The average motherboard has 1 PCIe x1 slot/s.
  • 3 more PCIe 3.0x16 slots
    ECS X79R AX has more PCIe 3.0x16 slots than the average motherboard (4 vs 1). The average motherboard has 1 PCIe 3.0x16 slot/s.
  • 2 more rear USB ports
    ECS X79R AX has more rear USB ports than the average motherboard (10 vs 8). The average motherboard has 8 rear USB port/s.
  • 2 more eSATA ports
    ECS X79R AX has more eSATA ports than the average motherboard (2 vs 0). The average motherboard has 0 eSATA port/s.
  • 4 more USB 2.0 ports
    ECS X79R AX has more USB 2.0 ports than the average motherboard (6 vs 2). The average motherboard has 2 USB 2.0 port/s.
  • 1 more total USB connections
    ECS X79R AX has more total USB connections than the average motherboard (16 vs 15). The average motherboard has 15 total USB connections.
  • 1 more RJ45 ports
    ECS X79R AX has more RJ45 ports than the average motherboard (2 vs 1). The average motherboard has 1 RJ45 port/s.
  • Supports Wi-Fi
    ECS X79R AX supports Wi-Fi connectivity, while the average motherboard does not. 49.1% of motherboards support Wi-Fi connectivity.
  • Supports Bluetooth
    ECS X79R AX supports Bluetooth, while the average motherboard does not. 47% of motherboards support Bluetooth.
  • More VRM phases
    ECS X79R AX has more VRM phases than the average motherboard (14 vs 10). The average motherboard has 10 VRM phase/s.
  • 61 mm shorter
    ECS X79R AX is shorter than the average motherboard (244 mm vs 305 mm). The average motherboard height is 305 mm.

Total
Platform & Features
Memory
Storage
Expansion
Ports & USB
Network
Power & Cooling
  • More basic motherboard chipset
    ECS X79R AX has more basic motherboard chipset than the average motherboard (Intel X79 vs Intel B860). The average motherboard uses Intel B860 chipset.
  • No BIOS flashback support
    ECS X79R AX does not support BIOS flashback, while the average motherboard does. 50.8% of motherboards support BIOS flashback.
  • No integrated graphics support
    ECS X79R AX does not support integrated graphics, while the average motherboard does. 89.4% of motherboards support integrated graphics.
  • Not ready for Windows 11
    ECS X79R AX is not ready for Windows 11, while the average motherboard is. 77.1% of motherboards are ready for Windows 11.
  • Narrower Windows support
    ECS X79R AX has narrower Windows support than the average motherboard (Windows 8, Windows 7, Windows Vista, Windows XP vs Windows 11, Windows 10). The average motherboard supports Windows 11, Windows 10.
  • Fewer BIOS update options
    ECS X79R AX has fewer BIOS update options than the average motherboard (UEFI utility, Windows app, DOS vs UEFI utility, flashback, Windows app). The average motherboard offers UEFI utility, flashback, Windows app BIOS update methods.
  • Older CPU socket
    ECS X79R AX has older CPU socket than the average motherboard (LGA 2,011 vs LGA 1,151). The average motherboard uses LGA 1,151 CPU socket.
  • 10 years older release date
    ECS X79R AX is older than the average motherboard (2,011 vs 2,021). The average motherboard was released in 2,021.
  • No TPM connector
    ECS X79R AX does not have a TPM connector, while the average motherboard does. 86.7% of motherboards include a TPM connector.
  • 50% less maximum memory capacity
    ECS X79R AX has fewer maximum memory capacity than the average motherboard (64 GB vs 128 GB). The average motherboard supports 128 GB of memory.
  • Older DDR memory generation
    ECS X79R AX has older DDR memory generation than the average motherboard (DDR3 vs DDR4). The average motherboard supports DDR4 memory.
  • 60.9% lower maximum RAM speed
    ECS X79R AX has a lower maximum RAM speed than the average motherboard (1,800 MT/s vs 4,600 MT/s). The average motherboard supports RAM speed of 4,600 MT/s.
  • 49.3% lower overclocked RAM speed
    ECS X79R AX has a lower overclocked RAM speed than the average motherboard (2,500 MT/s vs 4,933 MT/s). The average motherboard supports overclocked RAM speed of 4,933 MT/s.
  • 2 fewer M.2 sockets
    ECS X79R AX has fewer M.2 sockets than the average motherboard (0 vs 2). The average motherboard has 2 M.2 socket/s.
  • No NVMe RAID support
    ECS X79R AX does not support NVMe RAID, while the average motherboard does. 59.8% of motherboards support NVMe RAID.
  • No PCIe bifurcation support
    ECS X79R AX does not support PCIe bifurcation, while the average motherboard does. 61% of motherboards support PCIe bifurcation.
    Requires BIOS mod.
  • 1 fewer rear USB-C ports
    ECS X79R AX has fewer rear USB-C ports than the average motherboard (0 vs 1). The average motherboard has 1 rear USB-C port/s.
  • 1 fewer USB 3.2 Gen2 ports
    ECS X79R AX has fewer USB 3.2 Gen2 ports than the average motherboard (0 vs 1). The average motherboard has 1 USB 3.2 Gen2 port/s.
  • 1 fewer DisplayPort outputs
    ECS X79R AX has fewer DisplayPort outputs than the average motherboard (0 vs 1). The average motherboard has 1 DisplayPort outputs.
  • 1 fewer total USB-C connections
    ECS X79R AX has fewer total USB-C connections than the average motherboard (0 vs 1). The average motherboard has 1 total USB-C connections.
  • 1 fewer HDMI outputs
    ECS X79R AX has fewer HDMI outputs than the average motherboard (0 vs 1). The average motherboard has 1 HDMI outputs.
  • More basic LAN controller
    ECS X79R AX has more basic LAN controller than the average motherboard (Realtek RTL8,111E vs Marvell AQtion AQC113C). The average motherboard uses Marvell AQtion AQC113C LAN controller.
  • 60% lower LAN speed
    ECS X79R AX has a lower LAN speed than the average motherboard (1 Gbps vs 2.5 Gbps). The average motherboard offers LAN speed of 2.5 Gbps.
    dual 1GbE ports
  • Older Bluetooth version
    ECS X79R AX has older Bluetooth version than the average motherboard (2.1 vs 5.4). The average motherboard supports Bluetooth 5.4.
  • More basic audio codec
    ECS X79R AX has more basic audio codec than the average motherboard (Realtek ALC892 vs Realtek ALC898). The average motherboard uses Realtek ALC898 audio codec.
  • More basic chipset cooling
    ECS X79R AX has more basic chipset cooling than the average motherboard (active vs Passive). The average motherboard uses Passive chipset cooling.
  • 2 fewer ARGB headers
    ECS X79R AX has fewer ARGB headers than the average motherboard (0 vs 2). The average motherboard has 2 ARGB header/s.
  • No pump header
    ECS X79R AX does not have a pump header, while the average motherboard does. 77% of motherboards include a pump header.
  • No onboard RGB lighting
    ECS X79R AX does not have onboard RGB lighting, while the average motherboard does. 50.3% of motherboards include onboard RGB lighting.
  • 1 fewer RGB headers
    ECS X79R AX has fewer RGB headers than the average motherboard (0 vs 1). The average motherboard has 1 RGB header/s.
  • 2 A lower pump header current limit
    ECS X79R AX has a lower pump header current than the average motherboard (0 A vs 2 A). The average motherboard provides pump header current of 2 A.
  • More basic motherboard chipset
    ECS X79R AX has more basic motherboard chipset than the average motherboard (Intel X79 vs Intel B860). The average motherboard uses Intel B860 chipset.
    What it is: The chipset that defines the motherboard platform and many of its features.
    When it matters: When you compare platform features, connectivity, and CPU support.

    Importance: HIGH

    ECS X79R AX has more basic motherboard chipset than the average motherboard (Intel X79 vs Intel B860). The average motherboard uses Intel B860 chipset.Intel X79 vs Intel B860
  • More basic LAN controller
    ECS X79R AX has more basic LAN controller than the average motherboard (Realtek RTL8,111E vs Marvell AQtion AQC113C). The average motherboard uses Marvell AQtion AQC113C LAN controller.
    What it is: The model of onboard Ethernet controller used by the motherboard.
    When it matters: When you compare networking hardware quality and features.

    Importance: MEDIUM

    ECS X79R AX has more basic LAN controller than the average motherboard (Realtek RTL8,111E vs Marvell AQtion AQC113C). The average motherboard uses Marvell AQtion AQC113C LAN controller.Realtek RTL8111E vs Marvell AQtion AQC113C
  • 60% lower LAN speed
    ECS X79R AX has a lower LAN speed than the average motherboard (1 Gbps vs 2.5 Gbps). The average motherboard offers LAN speed of 2.5 Gbps.
    dual 1GbE ports
    What it is: The maximum wired Ethernet speed supported by the motherboard.
    When it matters: When you want faster wired networking.

    Importance: HIGH

    Good value: 2.5GbE

    ECS X79R AX has a lower LAN speed than the average motherboard (1 Gbps vs 2.5 Gbps). The average motherboard offers LAN speed of 2.5 Gbps.1 Gbps vs 2.5 Gbps
  • 2 fewer M.2 sockets
    ECS X79R AX has fewer M.2 sockets than the average motherboard (0 vs 2). The average motherboard has 2 M.2 socket/s.
    What it is: The number of M.2 slots available on the motherboard.
    When it matters: When you want room for more NVMe or M.2 drives.

    Importance: HIGH

    Good value: >=3

    ECS X79R AX has fewer M.2 sockets than the average motherboard (0 vs 2). The average motherboard has 2 M.2 socket/s.0 vs 2
  • No NVMe RAID support
    ECS X79R AX does not support NVMe RAID, while the average motherboard does. 59.8% of motherboards support NVMe RAID.
    What it is: Shows whether the board supports RAID configurations that use NVMe SSDs.
    When it matters: When you plan to use multiple NVMe drives in RAID.

    Importance: LOW

    ECS X79R AX does not support NVMe RAID, while the average motherboard does. 59.8% of motherboards support NVMe RAID.
  • 50% less maximum memory capacity
    ECS X79R AX has fewer maximum memory capacity than the average motherboard (64 GB vs 128 GB). The average motherboard supports 128 GB of memory.
    What it is: The largest total amount of RAM the motherboard supports.
    When it matters: When you plan a build with very high memory capacity.

    Importance: HIGH

    Good value: >=128 GB

    ECS X79R AX has fewer maximum memory capacity than the average motherboard (64 GB vs 128 GB). The average motherboard supports 128 GB of memory.64 GB vs 128 GB
  • Older DDR memory generation
    ECS X79R AX has older DDR memory generation than the average motherboard (DDR3 vs DDR4). The average motherboard supports DDR4 memory.
    What it is: The RAM generation the motherboard supports, such as DDR4 or DDR5.
    When it matters: When you need the board to match a certain memory platform.

    Importance: HIGH

    Good value: DDR5

    ECS X79R AX has older DDR memory generation than the average motherboard (DDR3 vs DDR4). The average motherboard supports DDR4 memory.DDR3 vs DDR4
  • No BIOS flashback support
    ECS X79R AX does not support BIOS flashback, while the average motherboard does. 50.8% of motherboards support BIOS flashback.
    What it is: Shows whether the motherboard can update BIOS without needing a fully installed or supported CPU to boot first.
    When it matters: When you may need to update BIOS before the system can boot.

    Importance: MEDIUM

    ECS X79R AX does not support BIOS flashback, while the average motherboard does. 50.8% of motherboards support BIOS flashback.
Total
Overall
Platform & Features
Memory
Storage
Expansion
Ports & USB
Network
Audio
Power & Cooling

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Third-party reviews

United Kingdom
amazon
3.0
2 Reviews
United States
Amazon_logo.png
3.0
2 Reviews

(Reviews last updated: May 2026)

What customers like about ECS X79R AX?

  • Highly feature-rich for its price point, including dual Gigabit LAN, integrated Wi-Fi, and Bluetooth
  • Exceptional storage options with up to 12-14 SATA ports and rare support for SAS drives
  • Excellent power efficiency, particularly showcasing very low power draw during idle states
  • Robust physical build with features like 15μ gold contacts, all-solid capacitors, and onboard diagnostic LEDs
  • Comprehensive accessory bundle including 12 SATA cables and a front-panel USB 3.0 header
  • Attractive, subdued grayscale aesthetic without gaudy colors

What customers dislike about ECS X79R AX?

  • Subpar overclocking experience due to a 'stubborn' BIOS and the need to adjust individual CPU core multipliers manually
  • Limited memory expansion with only 4 RAM slots, whereas many competing X79 boards offer 8
  • Inconsistent BIOS performance, including a lack of screenshot functionality and issues with XMP 1.3 profile recognition
  • Underwhelming USB 3.0 performance compared to other high-end X79 motherboards
  • Potential airflow issues in multi-GPU (SLI/Crossfire) configurations due to tight PCIe slot spacing
  • Lacks the ability to flash or update the BIOS from within the BIOS menu itself

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