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Green micro-ATX board with silver AM4 socket, two black DDR4 slots, single PCIe x16, two PCIe x1, four SATA ports, one M.2 slot, blue

GIGABYTE

GIGABYTE A520M S2H AMD motherboard

SKU CH-0KDC-M3RBE MPN A520M S2H

Micro-ATX AM4 board with dual-channel DDR4 up to 64 GB, one PCIe 3.0 x16 slot, two PCIe 3.0 x1 slots, four SATA 6Gb/s ports and one M.2 socket for 2242/2260/2280 SSDs

  • ProcessorAMD Socket AM4, support for: AMD Ryzen 5000 Series / 3rd Gen
  • ChipsetAMD A520
  • Form factorMicro ATX
  • CPU socketAM4
  • Memory slot count2 × 288pin (DDR4)
  • Supported memory3rd Gen AMD Ryzen Processors: Support for DDR4 5000(O.C.)/ 4

Model A520M S2H

  • Supports AMD Ryzen 5000 series with a BIOS update
  • Dual-channel DDR4 up to 64 GB across two DIMM slots
  • PCIe 3.0 x16 slot plus two PCIe 3.0 x1 slots for expansion
  • M.2 socket accepts 2242, 2260 or 2280 SATA and PCIe 3.0 x4 SSDs
  • Realtek ALC887 codec delivers 7.1-channel audio output

AM4 Socket AMD A520 Motherboard

The GIGABYTE A520M S2H is a Micro ATX board built on the AMD A520 chipset for AM4 socket processors. It supports AMD Ryzen 5000 Series and 3rd Gen Ryzen CPUs, including models with Radeon Graphics, though 5000 Series support requires a BIOS update. Dual-channel DDR4 memory runs across two 288-pin slots with a maximum capacity of 64GB.

Sustained Load Power Delivery

A 4+3 phase digital PWM design feeds the CPU socket, providing stable voltage regulation during extended workloads rather than brief bursts. The PCIe 3.0 x16 slot and single M.2 connector operating at PCIe 3.0 x4 maintain consistent throughput for graphics and NVMe storage under continuous use. Realtek GbE LAN caps network traffic at 1Gbps.

Single M.2 NVMe Slot Constraint

Only one M.2 socket is present, accepting 2242, 2260 or 2280 drives with either SATA or PCIe 3.0 x4 interfaces. This limits the platform to a single high-speed NVMe boot or data drive without adding a PCIe adapter. Four SATA 6Gb/s ports remain available for additional storage arrays.

How it compares

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

Price $60.99
Cheaper than about 89% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameGIGABYTE
Model nameA520M S2H
Processor
CPU socketAM4
ChipsetAMD A520
Memory
Memory slot count2 × 288pin (DDR4)
Supported memory3rd Gen AMD Ryzen Processors:
Support for DDR4 5000(O.C.)/ 4866(O.C.)/ 4600(O.C.)/ 4400(O.C.)/ 4000(O.C.)/ 3600(O.C.)/ 3333(O.C.)/ 3200/ 2933/ 2667/ 2400/ 2133 MHz memory modules
3rd Gen AMD Ryzen with Radeon Graphics processors:
Support for DDR4 5000(O.C.)/ 4866(O.C.)/ 4600(O.C.)/ 4400(O.C.)/ 4000(O.C.)/ 3600(O.C.)/ 3333(O.C.)/ 3200/ 2933/ 2667/ 2400/ 2133 MHz memory modules
Max supported RAM64 GB
Memory channelsDual Channel
Memory profilesIntel XMP 2.0
Storage
SATA ports4 x SATA 6Gb/s
M.2 slots1 x M.2 connector (Socket 3, M key, type 2242/2260/2280 SATA and PCIe 3.0 x4/x2 SSD support)
SATA and RAID support0/1/10
Audio & video
Audio chipRealtek ALC887
Connectivity
Ethernet controllerRealtek GbE LAN chip
Maximum network speed1 Gbit/s
Ports & slots
PCIe 3.0 x16 slots1 x PCI Express x16 slot, supporting PCIe 3.0 and running at x16
PCIe x1 slots2 x PCI Express x1 slots, supporting PCIe 3.0
Rear panel ports1 x PS/2 keyboard/mouse port
1 x D-Sub port
1 x DVI-D port
1 x HDMI port
4 x USB 3.2 Gen 1 ports
2 x USB 2.0/1.1 ports
1 x RJ-45 port
1 x Q-Flash Plus button
3 x audio jacks
Onboard USB headers1 x USB 3.2 Gen 1 header
2 x USB 2.0/1.1 headers
Power
Power connectors1 × 24-pin ATX main power connector
1 × 8-pin ATX 12 V power connector
Size & build
Form factorMicro ATX
Width and length9.6 in × 8.1 in
Shipping weight0.73 kg
Package size267 × 241 × 56 mm
Compatibility
Windows 11 supportSupported
More details
LightingRGB

Other versions of this model

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Questions about this item

How much power does the 4+3 phase digital PWM draw when the A520M S2H runs all day?

The 4+3 phase digital PWM delivers clean power to the CPU; actual draw depends on the installed processor and load, not the board alone.

Which DDR4 modules must I already own to reach the 64 GB limit on this board?

Two 288-pin DDR4 DIMMs up to 32 GB each, running at speeds from 2133 MHz to 5000 MHz (O.C.), will fill both slots for 64 GB total.

Will my PCIe 3.0 x16 graphics card and SATA SSDs work together on the A520M S2H?

Yes — the single PCIe 3.0 x16 slot runs at x16 for the GPU, while four SATA 6 Gb/s ports and one M.2 slot (2242/2260/2280, SATA or PCIe 3.0 x4/x2) handle storage simultaneously.

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