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MSI A520M-A PRO

AM4 · Micro-ATX · DDR4 · board-only configuration · MSI global specification

Micro-ATX motherboard for supported AM4 processors, with 2 DDR4 slots and 1 onboard M.2 storage position. Realtek RTL8111H 1 Gb Ethernet.

Reviewed 7 Sept 2026Manufacturer specifications, not a hands-on test.

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WHAT IT BRINGS

The useful part.

Provides a compact 236 × 200 mm layout with one M.2 position and four SATA ports.

Manufacturer source

BEFORE YOU CHOOSE

The checks that matter.

The board has two DDR4 slots and one M.2 storage position. MSI limits M.2 to SATA mode for Athlon with Radeon Vega Graphics.

Manufacturer source

NOTHING HIDDEN IN THE SMALL PRINT

Every specification.
With its source.

Our publishing standard

CPU socket: AM4
Conditions & context
Manufacturer specification · Match the exact CPU and required BIOS as well as the physical socket.
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Chipset: AMD A520
Conditions & context
Manufacturer specification
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Form factor: Micro-ATX: 236 × 200 mm
Conditions & context
Manufacturer specification · Board dimensions, not retail packaging. Check case mounting positions, clearance and cable routing.
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Memory type, slots and limit: 2 DDR4 DIMM slots; up to 64 GB; dual-channel unbuffered memory; A-XMP
Conditions & context
Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR4 slots require DDR4 modules; DDR4 and DDR5 are not interchangeable.
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Storage interfaces: 1 CPU-connected M.2 PCIe 3.0 x4 or SATA slot; 4 SATA 6 Gb/s ports
Conditions & context
Manufacturer specification · With Athlon processors with Radeon Vega Graphics, MSI lists SATA mode only for M.2. Supported M.2 lengths are 2242/2260/2280; verify the exact processor support list.
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Network interfaces: Realtek RTL8111H 1 Gb Ethernet
Conditions & context
Manufacturer specification · Confirmed wired networking; no installed wireless hardware is claimed.
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CPU support / BIOS source: MSI lists Ryzen 5000 / 5000 G-Series / 4000 G-Series / 3000 / 3000 G-Series processors. Check the exact CPU support list and required BIOS before purchase; a socket match alone does not establish out-of-box compatibility.
Conditions & context
Manufacturer specification
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Maximum listed memory: 64 GB
Conditions & context
Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR4 slots require DDR4 modules; DDR4 and DDR5 are not interchangeable.
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DIMM slots: 2
Conditions & context
Manufacturer specification · Physical DDR4 module positions, not included modules. Consult the board manual for population order and compatible capacities.
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Onboard M.2 storage slots: 1
Conditions & context
Manufacturer specification · Onboard M.2 storage positions only. With Athlon processors with Radeon Vega Graphics, MSI lists SATA mode only for M.2. Supported M.2 lengths are 2242/2260/2280; verify the exact processor support list.
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SATA storage ports: 4
Conditions & context
Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. With Athlon processors with Radeon Vega Graphics, MSI lists SATA mode only for M.2. Supported M.2 lengths are 2242/2260/2280; verify the exact processor support list.
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Onboard audio hardware: Realtek ALC892 or ALC897
Conditions & context
Manufacturer specification · Manufacturer-listed onboard audio hardware, not a measured sound-quality result. Where alternatives are listed, no particular unseen controller revision is promised.
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