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ASUS Prime Z370 A II Review | 107 Data compared

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  • Avg. price in UK: ~£170
  • Avg. price in US: ~$120
  • CPU socket: LGA 1151
  • Chipset: Intel Z370
  • Form factor: ATX

ASUS Prime Z370 A II review. Compare 107 technical specifications and user reviews to see how it ranks among motherboards and if it is worth buying.

6.1

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%

9.4

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%

6.7

Platform & Features

16.0%

6.0

Storage

15.0%

5.3

Network

13.0%

3.8

Ports & USB

8.0%

4.5

Expansion

8.0%

6.1

Power & Cooling

5.0%

9.6

Audio

Good
9.4

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%

9.1

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.6
(335)
amazon
4.4
(102)
United States
Amazon_logo.png
4.6
(344)

(Reviews last updated: May 2026)

Exceptional
  • 4.6
    Gaming

    Score components:

    28.0%

    5.8

    VRM phases

    22.0%

    5.5

    N. of M.2 sockets

    18.0%

    4.6

    LAN speed

    17.0%

    4.4

    Maximum RAM speed

    15.0%

    1.0

    N. of PCIe 5.0 x16 slots

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Best prices in UK

Best rankings

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

Verdict

The ASUS Prime Z370-A II is an ATX motherboard designed for 8th and 9th Generation Intel Core processors on the LGA1151 socket, featuring the Intel Z370 chipset and support for up to 64GB of DDR4 memory at speeds exceeding 4000MHz (O.C.). Key characteristics include dual M.2 slots (up to 32Gbps) with a dedicated heatsink, USB 3.1 Gen 2 Type-A and Type-C ports, and an enhanced power solution utilizing Dr. MOS power stages. Main pros include its one-click 5-Way Optimization for system tuning, high-fidelity Realtek S1220A 8-channel audio with Crystal Sound 3, and support for both NVIDIA SLI and AMD CrossFireX. On the downside, it lacks integrated Wi-Fi, and some users have reported potential sensor reading inconsistencies during extreme overclocking.

Technical Specifications of ASUS Prime Z370 A II

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%

6.7

Platform & Features

16.0%

6.0

Storage

15.0%

5.3

Network

13.0%

3.8

Ports & USB

8.0%

4.5

Expansion

8.0%

6.1

Power & Cooling

5.0%

9.6

Audio

5.8
ASUS Prime Z370 A II has a technical score of 5.77 points, which is lower than that of 62.6% 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%

9.1

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.6
(335)
amazon
4.4
(102)
United States
Amazon_logo.png
4.6
(344)

(Reviews last updated: May 2026)

9.4
ASUS Prime Z370 A II has a user score of 9.38 points, which is higher than that of 94.9% 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.
10
ASUS Prime Z370 A II has a popularity of 10 points, which is higher than 79.9% 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%

6.1

Overall score

40.0%

9.6

Price

7.2
ASUS Prime Z370 A II has a quality-to-price ratio of 7.2 points, which is lower than 54% 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 1151
ASUS Prime Z370 A II uses the LGA 1151 CPU socket, which is less advanced than that of 70.5% of motherboards and equal to that of 13.8% 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 Z370
ASUS Prime Z370 A II uses the Intel Z370 chipset, which is less advanced than that of 62.2% of motherboards and equal to that of 1.8% 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
ASUS Prime Z370 A II 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

DDR4
ASUS Prime Z370 A II 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 Prime Z370 A II 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 Prime Z370 A II 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

2
ASUS Prime Z370 A II supports 2 memory channels, which is more than 0.2% of motherboards and equal to 92.5% 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

4,000 MT/s
ASUS Prime Z370 A II supports memory speeds up to 4000 MT/s, which is lower than that of 56.6% of motherboards and equal to that of 1.1% 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

2
ASUS Prime Z370 A II has 2 M.2 sockets, which is more than 30.8% of motherboards and equal to 34.6% 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 3.0 x4/SATA, 1x PCIe 3.0 x4
ASUS Prime Z370 A II offers 1x PCIe 3.0x4/SATA, 1x PCIe 3.0x4 for M.2 slot interfaces, which is slower than that of 63.9% of motherboards and equal to that of 3.3% 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

6
ASUS Prime Z370 A II has 6 SATA 3 connectors, which is more than 52.6% of motherboards and equal to 32.1% 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 Prime Z370 A II 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

yes
ASUS Prime Z370 A II supports NVMe RAID. 40.3% 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 Prime Z370 A II 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 Prime Z370 A II 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 Prime Z370 A II has 3 PCIe 3.0x16 slots, which is more than 82.8% of motherboards and equal to 11.1% of motherboards.
runs at x4 mode
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

?
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 Prime Z370 A II supports PCIe bifurcation. 39.1% of motherboards support this feature.
x8/x8.
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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

6
ASUS Prime Z370 A II has 6 USB ports (rear I/O), which is fewer than 64.2% of motherboards and equal to 32.9% 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 Prime Z370 A II 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

1
ASUS Prime Z370 A II has 1 USB-C ports (rear I/O), which is more than 35.4% of motherboards and equal to 48.8% 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

1
ASUS Prime Z370 A II has 1 USB-C ports (including headers), which is more than 30.5% of motherboards and equal to 21.3% 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 Prime Z370 A II 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
ASUS Prime Z370 A II 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.
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 I219-V
ASUS Prime Z370 A II uses the Intel I219-V LAN controller, which is more advanced than that of 41% of motherboards and equal to that of 14.2% 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

1
ASUS Prime Z370 A II has 1 RJ45 ports, which is equal to 85.6% 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

no
ASUS Prime Z370 A II does not support Wi-Fi connectivity. 49.1% 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)

N/A
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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

SupremeFX S1220A
ASUS Prime Z370 A II uses the SupremeFX S1220A audio codec, which is more advanced than that of 86.7% of motherboards and equal to that of 3.5% 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
ASUS Prime Z370 A II 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

120 dB
ASUS Prime Z370 A II has an audio SNR of 120 dB, which is higher than that of 55% of motherboards and equal to that of 41.5% 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 Prime Z370 A II 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 Prime Z370 A II 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+2
ASUS Prime Z370 A II has 8+2 VRM phases, which is fewer than 59.1% of motherboards and equal to 4.5% 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
ASUS Prime Z370 A II 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

6
ASUS Prime Z370 A II 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

yes
ASUS Prime Z370 A II has a pump header. 23.1% 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

1 A
ASUS Prime Z370 A II supports up to 1 A on the pump header, which is lower than that of 58.4% of motherboards and equal to that of 15.9% of motherboards.
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ASUS Prime Z370 A II vs the average motherboard

  • Better audio codec
    ASUS Prime Z370 A II has better audio codec than the average motherboard (SupremeFX S1,220A vs Realtek ALC898). The average motherboard uses Realtek ALC898 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

    ASUS Prime Z370 A II has better audio codec than the average motherboard (SupremeFX S1,220A vs Realtek ALC898). The average motherboard uses Realtek ALC898 audio codec.SupremeFX S1220A vs Realtek ALC898
  • 1 more USB 3.2 Gen2 USB-C ports
    ASUS Prime Z370 A II has more USB 3.2 Gen2 USB-C ports than the average motherboard (1 vs 0). The average motherboard has 0 USB 3.2 Gen2 USB-C port/s.
    What it is: The number of rear USB 3.2 Gen2 Type-C ports on the motherboard.
    When it matters: When you want faster rear USB-C connectivity.

    Importance: HIGH

    Good value: >=1

    ASUS Prime Z370 A II has more USB 3.2 Gen2 USB-C ports than the average motherboard (1 vs 0). The average motherboard has 0 USB 3.2 Gen2 USB-C port/s.1 vs 0
  • 1 more USB 3.2 Gen1 headers
    ASUS Prime Z370 A II has more USB 3.2 Gen1 headers than the average motherboard (2 vs 1). The average motherboard has 1 USB 3.2 Gen1 header/s.
    two internal headers
    What it is: The number of internal USB 3.2 Gen1 headers for front-panel Type-A ports.
    When it matters: When your case has front USB-A ports to connect.

    Importance: MEDIUM

    Good value: >=1

    ASUS Prime Z370 A II has more USB 3.2 Gen1 headers than the average motherboard (2 vs 1). The average motherboard has 1 USB 3.2 Gen1 header/s.2 vs 1
  • 3 more PCIe x1 slots
    ASUS Prime Z370 A II has more PCIe x1 slots than the average motherboard (4 vs 1). The average motherboard has 1 PCIe x1 slot/s.
    What it is: The number of PCIe x1 slots on the motherboard.
    When it matters: When you want space for smaller add-in cards.

    Importance: MEDIUM

    Good value: >=2

    ASUS Prime Z370 A II has more PCIe x1 slots than the average motherboard (4 vs 1). The average motherboard has 1 PCIe x1 slot/s.4 vs 1
  • 1 more USB4 or Thunderbolt headers
    ASUS Prime Z370 A II has more USB4 or Thunderbolt headers than the average motherboard (1 vs 0). The average motherboard has 0 USB4 or Thunderbolt header/s.
    TB_HEADER connector
    What it is: The number of internal USB4 or Thunderbolt headers on the motherboard.
    When it matters: When you plan to add high-speed front USB-C or Thunderbolt connections.

    Importance: MEDIUM

    ASUS Prime Z370 A II has more USB4 or Thunderbolt headers than the average motherboard (1 vs 0). The average motherboard has 0 USB4 or Thunderbolt header/s.1 vs 0
  • 5 dB higher audio SNR
    ASUS Prime Z370 A II has a higher audio SNR than the average motherboard (120 dB vs 115 dB). The average motherboard has audio SNR of 115 dB.
    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

    ASUS Prime Z370 A II has a higher audio SNR than the average motherboard (120 dB vs 115 dB). The average motherboard has audio SNR of 115 dB.120 dB vs 115 dB
  • 1 more DVI outputs
    ASUS Prime Z370 A II has more DVI outputs than the average motherboard (1 vs 0). The average motherboard has 0 DVI outputs.
    What it is: The number of DVI video outputs on the motherboard.
    When it matters: When you plan to use older compatible monitors.

    Importance: LOW

    ASUS Prime Z370 A II has more DVI outputs than the average motherboard (1 vs 0). The average motherboard has 0 DVI outputs.1 vs 0
  • 2 more SATA 3 connectors
    ASUS Prime Z370 A II has more SATA 3 connectors than the average motherboard (6 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 Prime Z370 A II has more SATA 3 connectors than the average motherboard (6 vs 4). The average motherboard has 4 SATA 3 connectors.6 vs 4
  • 2 more SATA 3 connectors
    ASUS Prime Z370 A II has more SATA 3 connectors than the average motherboard (6 vs 4). The average motherboard has 4 SATA 3 connectors.
  • 3 more PCIe x1 slots
    ASUS Prime Z370 A II has more PCIe x1 slots than the average motherboard (4 vs 1). The average motherboard has 1 PCIe x1 slot/s.
  • 2 more PCIe 3.0x16 slots
    ASUS Prime Z370 A II 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 USB-C ports
    ASUS Prime Z370 A II has more USB 3.2 Gen2 USB-C ports than the average motherboard (1 vs 0). The average motherboard has 0 USB 3.2 Gen2 USB-C port/s.
  • 1 more USB 3.2 Gen1 headers
    ASUS Prime Z370 A II has more USB 3.2 Gen1 headers than the average motherboard (2 vs 1). The average motherboard has 1 USB 3.2 Gen1 header/s.
  • 1 more USB4 or Thunderbolt headers
    ASUS Prime Z370 A II has more USB4 or Thunderbolt headers than the average motherboard (1 vs 0). The average motherboard has 0 USB4 or Thunderbolt header/s.
  • 1 more DVI outputs
    ASUS Prime Z370 A II has more DVI outputs than the average motherboard (1 vs 0). The average motherboard has 0 DVI outputs.
  • Better audio codec
    ASUS Prime Z370 A II has better audio codec than the average motherboard (SupremeFX S1,220A vs Realtek ALC898). The average motherboard uses Realtek ALC898 audio codec.
  • 5 dB higher audio SNR
    ASUS Prime Z370 A II has a higher audio SNR than the average motherboard (120 dB vs 115 dB). The average motherboard has audio SNR of 115 dB.
  • 1 more fan headers
    ASUS Prime Z370 A II has more fan headers than the average motherboard (6 vs 5). The average motherboard has 5 fan header/s.

Total
Overall
Storage
Expansion
Ports & USB
Audio
Power & Cooling
  • More basic motherboard chipset
    ASUS Prime Z370 A II has more basic motherboard chipset than the average motherboard (Intel Z370 vs Intel B860). The average motherboard uses Intel B860 chipset.
  • No BIOS flashback support
    ASUS Prime Z370 A II does not support BIOS flashback, while the average motherboard does. 50.8% of motherboards support BIOS flashback.
    requires CPU/RAM
  • Fewer BIOS update options
    ASUS Prime Z370 A II has fewer BIOS update options than the average motherboard (UEFI utility, Windows app vs UEFI utility, flashback, Windows app). The average motherboard offers UEFI utility, flashback, Windows app BIOS update methods.
  • 50% less maximum memory capacity
    ASUS Prime Z370 A II has fewer maximum memory capacity than the average motherboard (64 GB vs 128 GB). The average motherboard supports 128 GB of memory.
  • 13% lower maximum RAM speed
    ASUS Prime Z370 A II has a lower maximum RAM speed than the average motherboard (4,000 MT/s vs 4,600 MT/s). The average motherboard supports RAM speed of 4,600 MT/s.
  • Slower M.2 slot interfaces
    ASUS Prime Z370 A II has slower M.2 slot interfaces than the average motherboard (1x PCIe 3.0x4/SATA, 1x PCIe 3.0x4 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.
  • 2 fewer rear USB ports
    ASUS Prime Z370 A II has fewer rear USB ports than the average motherboard (6 vs 8). The average motherboard has 8 rear USB port/s.
  • 2 fewer USB 3.2 Gen1 ports
    ASUS Prime Z370 A II has fewer USB 3.2 Gen1 ports than the average motherboard (2 vs 4). The average motherboard has 4 USB 3.2 Gen1 port/s.
  • 1 fewer total USB connections
    ASUS Prime Z370 A II has fewer total USB connections than the average motherboard (14 vs 15). The average motherboard has 15 total USB connections.
  • Older HDMI version
    ASUS Prime Z370 A II has older HDMI version than the average motherboard (1.4 vs 2.1). The average motherboard supports HDMI 2.1.
  • 1 fewer PS/2 ports
    ASUS Prime Z370 A II has fewer PS/2 ports than the average motherboard (0 vs 1). The average motherboard has 1 PS/2 port/s.
  • 60% lower LAN speed
    ASUS Prime Z370 A II 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.
  • No Wi-Fi antenna included
    ASUS Prime Z370 A II does not include a Wi-Fi antenna, while the average motherboard does. 51.1% of motherboards include a Wi-Fi antenna.
  • 2 fewer ARGB headers
    ASUS Prime Z370 A II has fewer ARGB headers than the average motherboard (0 vs 2). The average motherboard has 2 ARGB header/s.
  • 1 A lower pump header current limit
    ASUS Prime Z370 A II has a lower pump header current than the average motherboard (1 A vs 2 A). The average motherboard provides pump header current of 2 A.
  • Fewer VRM phases
    ASUS Prime Z370 A II has fewer VRM phases than the average motherboard (8+2 vs 10). The average motherboard has 10 VRM phase/s.
  • More basic motherboard chipset
    ASUS Prime Z370 A II has more basic motherboard chipset than the average motherboard (Intel Z370 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 Prime Z370 A II has more basic motherboard chipset than the average motherboard (Intel Z370 vs Intel B860). The average motherboard uses Intel B860 chipset.Intel Z370 vs Intel B860
  • 60% lower LAN speed
    ASUS Prime Z370 A II 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.
    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 Prime Z370 A II 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 Prime Z370 A II has slower M.2 slot interfaces than the average motherboard (1x PCIe 3.0x4/SATA, 1x PCIe 3.0x4 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 Prime Z370 A II has slower M.2 slot interfaces than the average motherboard (1x PCIe 3.0x4/SATA, 1x PCIe 3.0x4 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 3.0x4/SATA, 1x PCIe 3.0x4 vs 1x PCIe 5.0x4, 2x PCIe 4.0x4
  • 2 fewer rear USB ports
    ASUS Prime Z370 A II has fewer rear USB ports than the average motherboard (6 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

    ASUS Prime Z370 A II has fewer rear USB ports than the average motherboard (6 vs 8). The average motherboard has 8 rear USB port/s.6 vs 8
  • 50% less maximum memory capacity
    ASUS Prime Z370 A II 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 Prime Z370 A II 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
  • No BIOS flashback support
    ASUS Prime Z370 A II does not support BIOS flashback, while the average motherboard does. 50.8% of motherboards support BIOS flashback.
    requires CPU/RAM
    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

    ASUS Prime Z370 A II does not support BIOS flashback, while the average motherboard does. 50.8% of motherboards support BIOS flashback.
  • No Wi-Fi antenna included
    ASUS Prime Z370 A II does not include a Wi-Fi antenna, while the average motherboard does. 51.1% of motherboards include a Wi-Fi antenna.
    What it is: Shows whether the external Wi-Fi antenna is included with the motherboard package.
    When it matters: When the board has Wi-Fi and you want it ready to use right away.

    Importance: LOW

    ASUS Prime Z370 A II does not include a Wi-Fi antenna, while the average motherboard does. 51.1% of motherboards include a Wi-Fi antenna.
  • 2 fewer USB 3.2 Gen1 ports
    ASUS Prime Z370 A II has fewer USB 3.2 Gen1 ports than the average motherboard (2 vs 4). The average motherboard has 4 USB 3.2 Gen1 port/s.
    What it is: The number of rear USB 3.2 Gen1 Type-A ports on the motherboard.
    When it matters: When you want more standard USB ports with faster transfer speeds.

    Importance: MEDIUM

    Good value: >=4

    ASUS Prime Z370 A II has fewer USB 3.2 Gen1 ports than the average motherboard (2 vs 4). The average motherboard has 4 USB 3.2 Gen1 port/s.2 vs 4
Total
Platform & Features
Memory
Storage
Ports & USB
Network
Power & Cooling

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Third-party reviews

United Kingdom
amazon
4.6
335 Reviews
amazon
4.4
102 Reviews
United States
Amazon_logo.png
4.6
344 Reviews

(Reviews last updated: May 2026)

What customers like about ASUS Prime Z370 A II?

  • Clean, attractive aesthetic with white accents and subtle RGB lighting that fits most build themes
  • Excellent value for money, often cited as a top choice for budget-conscious Z370 builds
  • Solid build quality and reliable performance for daily gaming and productivity tasks
  • User-friendly BIOS and automated system tuning (5-Way Optimization) make it accessible for beginners
  • Good feature set for the price, including dual M.2 support, Intel Optane readiness, and SLI compatibility
  • Effective cooling management through Fan Xpert 4 software and dedicated pump headers

What customers dislike about ASUS Prime Z370 A II?

  • Limited number of I/O panel USB ports (6 total) can be restrictive for users with many peripherals
  • Onboard RGB lighting is minimal and some users reported it stays on even when the PC is powered down
  • Lower-end VRM components compared to the ROG Strix lineup, making it less ideal for extreme overclocking
  • M.2 bandwidth sharing: using the second M.2 slot at full x4 speed may disable certain SATA ports
  • Technical support from ASUS has received mixed to negative feedback regarding sensor accuracy and response times

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