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Green Micro ATX motherboard with silver AM4 socket, black PCIe x16 slot, two DDR4 DIMM slots and rear I/O panel

MSI

MSI A520M-A PRO AMD A520 Micro ATX motherboard

SKU CH-XJZD-82AKC

Socket AM4 micro-ATX board with AMD A520 chipset supporting up to 64GB DDR4 and Ryzen 5000 series CPUs

  • ProcessorSupports 3rd generation AMD Ryzen desktop processors and AMD
  • ChipsetAMD A520
  • CPU socketSocket AM4
  • Supported memorySupport Dual-Channel DDR4 1866/2133/2400/2667/2800/2933/3000
  • Max supported RAM64 GB
  • PCI slots1 PCIe 3.0 x1 slot 1 PCIe x16 slot Support x16 speed through
  • Socket AM4 supports 3rd Gen Ryzen and 4000 G series CPUs
  • Dual-channel DDR4 up to 4600 MHz for responsive memory performance
  • 64 GB maximum memory capacity handles demanding workloads
  • PCIe 3.0 x16 slot delivers full graphics bandwidth with compatible processors
  • Realtek ALC892/897 audio and RTL8111H gigabit LAN for clear sound and wired networking

Socket AM4 Micro ATX Motherboard

The MSI A520M-A PRO is a Socket AM4 Micro ATX motherboard built around the AMD A520 chipset. It accepts 3rd generation Ryzen desktop processors and Ryzen 4000 G series desktop processors. Dual-channel DDR4 memory is supported up to 64 GB across two slots.

Entry Builds Not Overclockers

This board suits budget office PCs and basic home systems that do not require CPU overclocking. Builders needing PCIe 4.0, multiple M.2 slots or robust VRM cooling for high-wattage CPUs should select a different chipset.

Single PCIe 3.0 x16 Slot

The expansion layout provides one PCIe 3.0 x16 slot running at x16 speed with Ryzen 5000, 5000G, 4000G and 3000 processors and one PCIe 3.0 x1 slot. This determines whether a discrete graphics card or other add-in card can be installed.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $74.99
Cheaper than about 84% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameMSI
Product lineMSI A520M-A PRO
Model nameMSI A520M-A PRO
Processor
ProcessorSupports 3rd generation AMD Ryzen desktop processors and AMD Ryzen 4000 G series desktop processors
CPU socketSocket AM4
ChipsetAMD A520
Memory
Supported memorySupport Dual-Channel DDR4 1866/2133/2400/2667/2800/2933/3000/3066/3200/3466/3733/3866/4000/4133/4266/4400/4600 + MHz memory
Max supported RAM64 GB
Storage
SATA and RAID support1XM.2 interface, 4xSATA III interface
Audio & video
Audio chipRealtek ALC892/ALC897 Codecs
Connectivity
Ethernet controller1 Realtek RTL8111H gigabit network interface card
Ports & slots
PCI slots1 PCIe 3.0 x1 slot
1 PCIe x16 slot
Support x16 speed through Ryzen 5000, 5000G, 4000G, and 3000 processors
Support x8 speed through Ryzen 3000G processor
AMD Athlon supports x4 speeds through Radeon graphics processors

Questions about this item

Should I pick the 16 GB or 64 GB memory capacity for this board?

The motherboard supports up to 64 GB of DDR4 across two slots, so choose 16 GB for basic builds or 64 GB for heavy multitasking.

What does the 4600 MHz DDR4 rating mean once the board is in a real machine?

4600 MHz is the highest validated overclocked speed; actual operating frequency depends on the installed Ryzen processor and memory modules.

How does the PCIe 3.0 x16 slot perform with different Ryzen CPUs?

The slot runs at x16 speed with Ryzen 5000, 5000G, 4000G and 3000 series, at x8 with Ryzen 3000G, and at x4 with Athlon Radeon graphics processors.

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