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ASUS X99 M WS Review | 107 Data compared

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  • Avg. price in UK: ~£310
  • Avg. price in US: ~$280
  • CPU socket: LGA 2011-3
  • Chipset: Intel X99
  • Form factor: MicroATX

ASUS X99 M WS review. Compare 107 technical specifications and user reviews to see how it ranks among motherboards and if it is worth buying.

5.8

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%

5.8

Technical Score

10.0%

?

User score

Good
5.8

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%

5.9

Memory

16.0%

6.9

Platform & Features

16.0%

4.5

Storage

15.0%

6.8

Network

13.0%

4.1

Ports & USB

8.0%

4.1

Expansion

8.0%

6.7

Power & Cooling

5.0%

8.4

Audio

Good
?

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%

?

User reviews

30.0%

?

Popularity

  • 3.5
    Gaming

    Score components:

    28.0%

    5.2

    VRM phases

    22.0%

    3.3

    N. of M.2 sockets

    18.0%

    4.6

    LAN speed

    17.0%

    2.1

    Maximum RAM speed

    15.0%

    1.0

    N. of PCIe 5.0 x16 slots

  • No image
No image

Best prices in UK

    N/A~ £310

Best rankings

?

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

Verdict

The Asus X99-M WS is a high-performance Micro-ATX workstation motherboard based on the Intel X99 chipset, designed to support Intel Core i7 and Xeon E5-1600/2600 v3 processors via the LGA 2011-v3 socket. It features four DDR4 DIMM slots supporting up to 64GB of quad-channel memory at overclocked speeds reaching 3200MHz, alongside three PCIe 3.0 x16 slots that enable 2-way SLI and CrossFireX configurations. Connectivity is robust for its size, including dual Intel Gigabit LAN ports, 3x3 802.11ac Wi-Fi, onboard M.2 (up to 10Gb/s), eight SATA 6Gb/s ports, and integrated USB 3.1 Type-A ports. Main pros include its extreme power density for a small form factor, premium components like 12K solid capacitors for workstation-grade reliability, and the exclusive OC Socket for enhanced overclocking stability. Some cons include the limited expansion typical of the Micro-ATX format, having only four RAM slots compared to the eight found on standard ATX X99 boards, and the M.2 slot being limited to PCIe 2.0 x2 bandwidth (10Gb/s) rather than the faster x4 standard found on some contemporary rivals.

Technical Specifications of ASUS X99 M WS

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%

?

Memory

16.0%

?

Platform & Features

16.0%

?

Storage

15.0%

?

Network

13.0%

?

Ports & USB

8.0%

?

Expansion

8.0%

?

Power & Cooling

5.0%

?

Audio

5.8
ASUS X99 M WS has a technical score of 5.79 points, which is lower than that of 62% 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%

0.0

User reviews

30.0%

1.0

Popularity

?
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.
1.0
ASUS X99 M WS has a popularity of 1 points, which is lower than 77.9% 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%

5.8

Overall score

40.0%

8.9

Price

6.7
ASUS X99 M WS has a quality-to-price ratio of 6.7 points, which is lower than 72.9% 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

Asus
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 2011-3
ASUS X99 M WS uses the LGA 2011-3 CPU socket, which is less advanced than that of 84.3% of motherboards and equal to that of 2.5% 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 X99
ASUS X99 M WS uses the Intel X99 chipset, which is less advanced than that of 67.4% of motherboards and equal to that of 2.4% 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

MicroATX
ASUS X99 M WS has the MicroATX form factor, which is less versatile than that of 52.2% of motherboards and equal to that of 32.4% 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

DDR4
ASUS X99 M WS uses DDR4 memory, which is newer than that of 13.6% of motherboards and equal to that of 51% 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
ASUS X99 M WS 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
ASUS X99 M WS 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
ASUS X99 M WS 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

2,400 MT/s
ASUS X99 M WS supports memory speeds up to 2400 MT/s, which is lower than that of 83.7% of motherboards and equal to that of 3.2% 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

1
ASUS X99 M WS has 1 M.2 sockets, which is fewer than 69.2% of motherboards and equal to 19.1% 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

1x PCIe 2.0 x2
ASUS X99 M WS offers 1x PCIe 2.0x2 for M.2 slot interfaces, which is slower than that of 85% of motherboards and equal to that of 0.3% of motherboards.
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
ASUS X99 M WS 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
ASUS X99 M WS 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
ASUS X99 M WS 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
ASUS X99 M WS 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
ASUS X99 M WS 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

3
ASUS X99 M WS has 3 PCIe 3.0x16 slots, which is more than 82.8% of motherboards and equal to 11.1% 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/x16/x8, x16/x8/x4
ASUS X99 M WS uses x16/x16/x8, x16/x8/x4 for PCIe slot electrical configuration, which is more flexible than that of 94.1% of motherboards and equal to that of 0.4% of motherboards.
Depends on CPU.
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

yes
ASUS X99 M WS supports PCIe bifurcation. 39.1% of motherboards support this feature.
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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

8
ASUS X99 M WS has 8 USB ports (rear I/O), which is more than 40.3% of motherboards and equal to 30.7% 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

14
ASUS X99 M WS has 14 USB ports (including headers), which is fewer than 51.8% of motherboards and equal to 12.9% 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
ASUS X99 M WS 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
ASUS X99 M WS 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
ASUS X99 M WS has 0 USB 3.2 Gen2x2 ports (USB-C), which is equal to 81.6% of motherboards.
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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
ASUS X99 M WS 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

Intel I210-AT
ASUS X99 M WS uses the Intel I210-AT LAN controller, which is less advanced than that of 65.6% of motherboards and equal to that of 0.9% 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
ASUS X99 M WS 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
ASUS X99 M WS 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 5 (802.11ac)
ASUS X99 M WS supports Wi-Fi 5 (802.11ac), which is newer than that of 49.7% of motherboards and equal to that of 10.7% of motherboards.
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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 ALC1150
ASUS X99 M WS uses the Realtek ALC1150 audio codec, which is more advanced than that of 52.3% of motherboards and equal to that of 9.3% 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
ASUS X99 M WS 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

112 dB
ASUS X99 M WS has an audio SNR of 112 dB, which is lower than that of 53.7% of motherboards and equal to that of 2.1% of motherboards.
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

yes
ASUS X99 M WS supports a headphone amp. 37% of motherboards support this feature.
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
ASUS X99 M WS 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

8
ASUS X99 M WS has 8 VRM phases, which is fewer than 71.9% of motherboards and equal to 6.3% 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

2
ASUS X99 M WS has 2 CPU power connectors, which is more than 54.6% of motherboards and equal to 45.3% 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

6
ASUS X99 M WS has 6 fan headers, which is more than 50.3% of motherboards and equal to 22.3% 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

?
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

?
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ASUS X99 M WS vs the average motherboard

  • 1 more RJ45 ports
    ASUS X99 M WS 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

    ASUS X99 M WS 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
    ASUS X99 M WS has more flexible PCIe lane configuration than the average motherboard (x16/x16/x8, x16/x8/x4 vs x16/x1). The average motherboard uses x16/x1 PCIe slot lane configuration.
    Depends on CPU.
    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

    ASUS X99 M WS has more flexible PCIe lane configuration than the average motherboard (x16/x16/x8, x16/x8/x4 vs x16/x1). The average motherboard uses x16/x1 PCIe slot lane configuration.x16/x16/x8, x16/x8/x4 vs x16/x1
  • Includes POST code display
    ASUS X99 M WS has a POST code display, while the average motherboard does not. 27.2% of motherboards include a POST code display.
    Q-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

    ASUS X99 M WS has a POST code display, while the average motherboard does not. 27.2% of motherboards include a POST code display.
  • 1 more CPU power connectors
    ASUS X99 M WS has more CPU power connectors than the average motherboard (2 vs 1). The average motherboard has 1 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

    ASUS X99 M WS has more CPU power connectors than the average motherboard (2 vs 1). The average motherboard has 1 CPU power connectors.2 vs 1
  • Includes dual BIOS
    ASUS X99 M WS has dual BIOS, while the average motherboard does not. 22.4% of motherboards include dual BIOS.
    recovery feature only
    What it is: Shows whether the motherboard includes two BIOS chips for redundancy or recovery.
    When it matters: When BIOS safety and recovery matter to you.

    Importance: LOW

    ASUS X99 M WS has dual BIOS, while the average motherboard does not. 22.4% of motherboards include dual BIOS.
  • Supports Wi-Fi
    ASUS X99 M WS 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

    ASUS X99 M WS supports Wi-Fi connectivity, while the average motherboard does not. 49.1% of motherboards support Wi-Fi connectivity.
  • 1 more USB 3.2 Gen2 ports
    ASUS X99 M WS has more USB 3.2 Gen2 ports than the average motherboard (2 vs 1). The average motherboard has 1 USB 3.2 Gen2 port/s.
    What it is: The number of rear USB 3.2 Gen2 Type-A ports on the motherboard.
    When it matters: When you want faster USB-A ports for storage or accessories.

    Importance: MEDIUM

    Good value: >=2

    ASUS X99 M WS has more USB 3.2 Gen2 ports than the average motherboard (2 vs 1). The average motherboard has 1 USB 3.2 Gen2 port/s.2 vs 1
  • 4 more SATA 3 connectors
    ASUS X99 M WS 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

    ASUS X99 M WS has more SATA 3 connectors than the average motherboard (8 vs 4). The average motherboard has 4 SATA 3 connectors.8 vs 4
  • Includes POST code display
    ASUS X99 M WS has a POST code display, while the average motherboard does not. 27.2% of motherboards include a POST code display.
  • Includes dual BIOS
    ASUS X99 M WS has dual BIOS, while the average motherboard does not. 22.4% of motherboards include dual BIOS.
  • Rear-panel CMOS reset button
    ASUS X99 M WS has a rear-panel CMOS reset button, while the average motherboard does not. 26.5% of motherboards include a rear-panel CMOS reset button.
  • Broader Windows support
    ASUS X99 M WS has broader Windows support than the average motherboard (Windows 11, Windows 10, Windows 8.1, Windows 8, Windows 7 vs Windows 11, Windows 10). The average motherboard supports Windows 11, Windows 10.
  • Includes onboard power button
    ASUS X99 M WS has an onboard power button, while the average motherboard does not. 27.7% of motherboards include an onboard power button.
  • Includes onboard reset button
    ASUS X99 M WS has an onboard reset button, while the average motherboard does not. 27.6% of motherboards include an onboard reset button.
  • Supports ECC memory
    ASUS X99 M WS supports ECC memory, while the average motherboard does not. 20.9% of motherboards support ECC memory.
  • More memory channels
    ASUS X99 M WS has more memory channels than the average motherboard (4 vs 2). The average motherboard has 2 memory channel/s.
  • 4 more SATA 3 connectors
    ASUS X99 M WS 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
    ASUS X99 M WS has more flexible PCIe lane configuration than the average motherboard (x16/x16/x8, x16/x8/x4 vs x16/x1). The average motherboard uses x16/x1 PCIe slot lane configuration.
  • 2 more PCIe 3.0x16 slots
    ASUS X99 M WS has more PCIe 3.0x16 slots than the average motherboard (3 vs 1). The average motherboard has 1 PCIe 3.0x16 slot/s.
  • 1 more USB 3.2 Gen2 ports
    ASUS X99 M WS has more USB 3.2 Gen2 ports than the average motherboard (2 vs 1). The average motherboard has 1 USB 3.2 Gen2 port/s.
  • 1 more RJ45 ports
    ASUS X99 M WS has more RJ45 ports than the average motherboard (2 vs 1). The average motherboard has 1 RJ45 port/s.
  • Supports Wi-Fi
    ASUS X99 M WS supports Wi-Fi connectivity, while the average motherboard does not. 49.1% of motherboards support Wi-Fi connectivity.
  • Supports Bluetooth
    ASUS X99 M WS supports Bluetooth, while the average motherboard does not. 47% of motherboards support Bluetooth.
  • 1 more CPU power connectors
    ASUS X99 M WS has more CPU power connectors than the average motherboard (2 vs 1). The average motherboard has 1 CPU power connectors.
  • 61 mm shorter
    ASUS X99 M WS is shorter than the average motherboard (244 mm vs 305 mm). The average motherboard height is 305 mm.
  • 1 more fan headers
    ASUS X99 M WS has more fan headers than the average motherboard (6 vs 5). The average motherboard has 5 fan header/s.

Total
Platform & Features
Memory
Storage
Expansion
Ports & USB
Network
Power & Cooling
  • More basic motherboard chipset
    ASUS X99 M WS has more basic motherboard chipset than the average motherboard (Intel X99 vs Intel B860). The average motherboard uses Intel B860 chipset.
  • No integrated graphics support
    ASUS X99 M WS does not support integrated graphics, while the average motherboard does. 89.4% of motherboards support integrated graphics.
  • Not ready for Windows 11
    ASUS X99 M WS is not ready for Windows 11, while the average motherboard is. 77.1% of motherboards are ready for Windows 11.
  • Less versatile form factor
    ASUS X99 M WS has less versatile form factor than the average motherboard (MicroATX vs ATX). The average motherboard comes in ATX form factor.
  • 6 years older release date
    ASUS X99 M WS is older than the average motherboard (2,015 vs 2,021). The average motherboard was released in 2,021.
    July 2015
  • 50% less maximum memory capacity
    ASUS X99 M WS has fewer maximum memory capacity than the average motherboard (64 GB vs 128 GB). The average motherboard supports 128 GB of memory.
  • 47.8% lower maximum RAM speed
    ASUS X99 M WS has a lower maximum RAM speed than the average motherboard (2,400 MT/s vs 4,600 MT/s). The average motherboard supports RAM speed of 4,600 MT/s.
  • 35.1% lower overclocked RAM speed
    ASUS X99 M WS has a lower overclocked RAM speed than the average motherboard (3,200 MT/s vs 4,933 MT/s). The average motherboard supports overclocked RAM speed of 4,933 MT/s.
  • Slower M.2 slot interfaces
    ASUS X99 M WS has slower M.2 slot interfaces than the average motherboard (1x PCIe 2.0x2 vs 1x PCIe 5.0x4, 2x PCIe 4.0x4). The average motherboard uses 1x PCIe 5.0x4, 2x PCIe 4.0x4 M.2 slot interfaces.
  • No NVMe RAID support
    ASUS X99 M WS does not support NVMe RAID, while the average motherboard does. 59.8% of motherboards support NVMe RAID.
  • 1 fewer M.2 sockets
    ASUS X99 M WS has fewer M.2 sockets than the average motherboard (1 vs 2). The average motherboard has 2 M.2 socket/s.
  • 1 fewer rear USB-C ports
    ASUS X99 M WS 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 DisplayPort outputs
    ASUS X99 M WS has fewer DisplayPort outputs than the average motherboard (0 vs 1). The average motherboard has 1 DisplayPort outputs.
  • 1 fewer total USB connections
    ASUS X99 M WS has fewer total USB connections than the average motherboard (14 vs 15). The average motherboard has 15 total USB connections.
  • 1 fewer total USB-C connections
    ASUS X99 M WS 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
    ASUS X99 M WS has fewer HDMI outputs than the average motherboard (0 vs 1). The average motherboard has 1 HDMI outputs.
    no onboard video outputs
  • 60% lower LAN speed
    ASUS X99 M WS 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
    ASUS X99 M WS has older Bluetooth version than the average motherboard (4 vs 5.4). The average motherboard supports Bluetooth 5.4.
  • 3 dB lower audio SNR
    ASUS X99 M WS has a lower audio SNR than the average motherboard (112 dB vs 115 dB). The average motherboard has audio SNR of 115 dB.
  • 2 fewer ARGB headers
    ASUS X99 M WS has fewer ARGB headers than the average motherboard (0 vs 2). The average motherboard has 2 ARGB header/s.
  • Fewer VRM phases
    ASUS X99 M WS has fewer VRM phases than the average motherboard (8 vs 10). The average motherboard has 10 VRM phase/s.
  • No onboard RGB lighting
    ASUS X99 M WS does not have onboard RGB lighting, while the average motherboard does. 50.3% of motherboards include onboard RGB lighting.
  • 1 fewer RGB headers
    ASUS X99 M WS has fewer RGB headers than the average motherboard (0 vs 1). The average motherboard has 1 RGB header/s.
  • More basic motherboard chipset
    ASUS X99 M WS has more basic motherboard chipset than the average motherboard (Intel X99 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

    ASUS X99 M WS has more basic motherboard chipset than the average motherboard (Intel X99 vs Intel B860). The average motherboard uses Intel B860 chipset.Intel X99 vs Intel B860
  • 60% lower LAN speed
    ASUS X99 M WS 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

    ASUS X99 M WS 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
  • Slower M.2 slot interfaces
    ASUS X99 M WS has slower M.2 slot interfaces than the average motherboard (1x PCIe 2.0x2 vs 1x PCIe 5.0x4, 2x PCIe 4.0x4). The average motherboard uses 1x PCIe 5.0x4, 2x PCIe 4.0x4 M.2 slot interfaces.
    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

    ASUS X99 M WS has slower M.2 slot interfaces than the average motherboard (1x PCIe 2.0x2 vs 1x PCIe 5.0x4, 2x PCIe 4.0x4). The average motherboard uses 1x PCIe 5.0x4, 2x PCIe 4.0x4 M.2 slot interfaces.1x PCIe 2.0x2 vs 1x PCIe 5.0x4, 2x PCIe 4.0x4
  • No NVMe RAID support
    ASUS X99 M WS 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

    ASUS X99 M WS does not support NVMe RAID, while the average motherboard does. 59.8% of motherboards support NVMe RAID.
  • 50% less maximum memory capacity
    ASUS X99 M WS 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

    ASUS X99 M WS 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
  • 1 fewer M.2 sockets
    ASUS X99 M WS has fewer M.2 sockets than the average motherboard (1 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

    ASUS X99 M WS has fewer M.2 sockets than the average motherboard (1 vs 2). The average motherboard has 2 M.2 socket/s.1 vs 2
  • 1 fewer rear USB-C ports
    ASUS X99 M WS has fewer rear USB-C ports than the average motherboard (0 vs 1). The average motherboard has 1 rear USB-C port/s.
    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

    ASUS X99 M WS has fewer rear USB-C ports than the average motherboard (0 vs 1). The average motherboard has 1 rear USB-C port/s.0 vs 1
  • No integrated graphics support
    ASUS X99 M WS does not support integrated graphics, while the average motherboard does. 89.4% of motherboards support integrated graphics.
    What it is: Shows whether the motherboard can output video from CPUs that include integrated graphics.
    When it matters: When you want video output without installing a graphics card.

    Importance: MEDIUM

    ASUS X99 M WS does not support integrated graphics, while the average motherboard does. 89.4% of motherboards support integrated graphics.
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Third-party reviews

What customers like about ASUS X99 M WS?

  • High build quality and reliability characteristic of the Workstation (WS) series
  • Excellent overclocking capabilities with the integrated CPU OC Socket
  • Rich feature set for the compact Micro-ATX (mATX) form factor
  • Outstanding thermal performance with efficient heatsinks and 12k-rated capacitors
  • Feature-rich and easy-to-navigate UEFI BIOS design
  • Includes built-in Wi-Fi (802.11ac) and dual Intel Gigabit LAN ports
  • Supports ECC memory when paired with compatible Xeon processors

What customers dislike about ASUS X99 M WS?

  • M.2 slot is limited to PCIe 2.0 x2 (10 Gbps), significantly slower than the standard 32 Gbps
  • Awkward placement of the M.2 slot, which can be blocked by a graphics card in the primary slot
  • Expensive compared to other Micro-ATX motherboards on the X99 platform
  • Limited expansion due to only four RAM slots and three PCIe slots
  • Lack of an integrated CMOS clear jumper on the board

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