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Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard vs Gigabyte A520M K V2 Micro ATX AM4 Motherboard

Side-by-side motherboard specifications, price freshness, and neutral decision guidance to help you carry the right part into your PC build.

Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard
Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard
Asus
$68.51
Gigabyte A520M K V2 Micro ATX AM4 Motherboard
Gigabyte A520M K V2 Micro ATX AM4 Motherboard
Gigabyte
$63.95

Decision guide

Which listed differences should decide this comparison?

Start with the constraint that matters in your build, such as expansion, physical fit, capacity, or power. These are catalog specifications, not benchmark or gaming-performance estimates.

Memory Slots

Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard
4 listed
Gigabyte A520M K V2 Micro ATX AM4 Motherboard
2 listed

Max Memory

Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard
128 GB listed
Gigabyte A520M K V2 Micro ATX AM4 Motherboard
64 GB listed

PCIe Slots

Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard
3 listed
Gigabyte A520M K V2 Micro ATX AM4 Motherboard
2 listed

Listed price context

  • Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard: $68.51 in the catalog. Confirm availability and final price with the retailer before purchasing.
  • Gigabyte A520M K V2 Micro ATX AM4 Motherboard: $63.95 in the catalog. Confirm availability and final price with the retailer before purchasing.

Specification profile

Each spec is scaled as a % of the leader in your selection - so even the runner-up stays visible on the chart.

Key specs at a glance

Top 4 specs that matter most. Full spec-by-spec breakdown is in the table below.

Memory

Memory SlotsHigher is better
Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard
4
Gigabyte A520M K V2 Micro ATX AM4 Motherboard
2
Max MemoryHigher is better
Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard
128 GB
Gigabyte A520M K V2 Micro ATX AM4 Motherboard
64 GB
Max Memory SpeedHigher is better
Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard
4800 MHz
Gigabyte A520M K V2 Micro ATX AM4 Motherboard
5100 MHz

Connectivity

M.2 SlotsHigher is better
Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard
Yes
Gigabyte A520M K V2 Micro ATX AM4 Motherboard
Yes

Comparison complete · next step

Turn this motherboard decision into a compatible PC.

Choose the part you want to keep. Guided Builder carries it forward, then helps you set the budget and complete every remaining slot.

  1. Compared the specs
  2. Keep one motherboard
  3. Check the complete build

Choose your starting part

Guided Builder is recommended. Advanced stays available as the manual path.

Starting part

Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard

Better fit if memory slots matters: 4 listed.

Starting part

Gigabyte A520M K V2 Micro ATX AM4 Motherboard

Better fit if max memory speed matters: 5100 MHz listed.

Material specification differences

Direct specifications only - not benchmarks or an overall score.

  • If memory slots matters: Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard lists 4.
  • If max memory matters: Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard lists 128 GB.
  • If pcie slots matters: Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard lists 3.
  • If max memory speed matters: Gigabyte A520M K V2 Micro ATX AM4 Motherboard lists 5100 MHz.
From comparison to complete build

Choose the part you want to build around.

Your selection carries into the builder. Guided Builder keeps it in place and helps you complete the remaining compatible parts.

  1. Compare specs
  2. 02Keep a part
  3. 03Finish the PC
Component
Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard
Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard
$68.51
Continue with this part

Keep it selected while you complete the rest of the PC.

Gigabyte A520M K V2 Micro ATX AM4 Motherboard
Gigabyte A520M K V2 Micro ATX AM4 Motherboard
$63.95

Checked 8/23/2026, 12:09:41 PM

Continue with this part

Keep it selected while you complete the rest of the PC.

Memory
RAM TypeDDR4DDR4
Memory Slots42
Max Memory128 GB64 GB
Max Memory Speed4800 MHz5100 MHz
Physical
Form FactorMicro ATXMicro ATX
Connectivity
CPU SocketAM4AM4
ChipsetAMD A520AMD A520
SATA Ports44
M.2 SlotsYesYes
WiFiNoNo
RAID SupportYesYes
ECC SupportNoNo
PCIe Slots32
Other
Price Updated At-2026-08-23T12:09:41.137+00:00
PC Launchpad earns commissions from qualifying purchases. Amazon prices can change at any time; confirm the current price and availability on Amazon before buying.

Common questions

How should I choose between these motherboards?v

Start with the specifications that matter for your workload, then review power, physical fit, platform, and connectivity tradeoffs. PC Launchpad highlights only direct, verifiable specification differences and does not declare a universal winner.

Can I mix any of these motherboards with the rest of my parts?v

PC Launchpad's Guided Builder checks compatibility across every component automatically. Click "Use in Build" on any option above and the builder will flag socket, form-factor, wattage, or clearance issues before you check out.

Where are the prices from?v

Prices come from Amazon availability, which PC Launchpad updates regularly. If a component is out of stock or prices change, the comparison may not reflect the latest number - always confirm on the retailer page before you buy.

Is the Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard better than the Gigabyte A520M K V2 Micro ATX AM4 Motherboard?v

It depends on the workload. Use the chart summary above for the quick read, then look at the spec-by-spec breakdown to see which individual metrics favor which part. Verifiable numeric winners are emphasized only when the data has a clear direction, such as higher capacity or lower latency.

Which one is better value - the Asus PRIME A520M-A II/CSM Micro ATX AM4 Motherboard or the Gigabyte A520M K V2 Micro ATX AM4 Motherboard?v

Value depends on your workload and the rest of the build. Compare the specifications you will actually use, then confirm the current retailer price before purchasing; PC Launchpad does not infer benchmark performance from catalog specifications.

Ready for the next step?

Move from comparison into a custom build, a full catalog search, or a prebuilt PC.