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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

  • CPU Socket TypeAM4
  • CPU TypeAMD Socket AM4, support for: AMD Ryzen 5000 Series / 3rd Gen
  • ChipsetAMD A520
  • Number of Memory Slots2x288pin (DDR4)
  • Memory Standard3rd Gen AMD Ryzen Processors: Support for DDR4 5000(O.C.)/ 4
  • Maximum Memory Supported64GB

Option A520M S2H

  • A520I AC
  • A520M AORUS ELITE
  • A520M DS3H
  • A520M S2H

Struck-through versions exist but are not stocked here.

  • 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.

Highlights

  • 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

Specifications

BrandGIGABYTE
ModelA520M S2H
CPU Socket TypeAM4
CPU TypeAMD Socket AM4, support for: AMD Ryzen 5000 Series / 3rd Gen Ryzen and 3rd Gen Ryzen with Radeon Graphics Processors
* Support for Ryzen 5000 Series with BIOS UPDATE. Refer to GIGABYTE website for CPU support list.
ChipsetAMD A520
Number of Memory Slots2x288pin (DDR4)
Memory Standard3rd 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
Maximum Memory Supported64GB
Channel SupportedDual Channel
Memory Performance ProfileIntel XMP 2.0
PCI Express 3.0 x161 x PCI Express x16 slot, supporting PCIe 3.0 and running at x16
PCI Express x12 x PCI Express x1 slots, supporting PCIe 3.0
Serial ATA (SATA)4 x SATA 6Gb/s
M.21 x M.2 connector (Socket 3, M key, type 2242/2260/2280 SATA and PCIe 3.0 x4/x2 SSD support)
SATA RAID0/1/10
Onboard Video ChipsetIntegrated in the 3rd Generation AMD Ryzen with Radeon Graphics processors:
1 x D-Sub port, supporting a maximum resolution of 1920x1200@60 Hz
1 x DVI-D port, supporting a maximum resolution of 1920x1200@60 Hz
* The DVI-D port does not support D-Sub connection by adapter.
1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz
* Support for HDMI 2.1 version, HDCP 2.3, and HDR.
Support for up to 3 displays at the same time
Maximum shared memory of 16GB
Audio ChipsetRealtek ALC887
Audio Channels2/4/5.1/7.1-channel
* To configure 7.1-channel audio, you need to open the audio software and select Device advanced settings > Playback Device to change the default setting first. Please visit GIGABYTE's website for details on configuring the audio software.
LAN ChipsetRealtek GbE LAN chip
Max LAN Speed1Gbps
Back I/O 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 USB1 x USB 3.2 Gen 1 header
2 x USB 2.0/1.1 headers
Other Connectors1 x CPU fan header
2 x system fan headers
1 x addressable LED strip header
1 x RGB LED strip header
1 x front panel header
1 x front panel audio header
1 x Trusted Platform Module (TPM) header (2x6-pin, for the GC-TPM2.0_S module only)
1 x serial port header
1 x speaker header
1 x chassis intrusion header
1 x Clear CMOS jumper
Form FactorMicro ATX
LED LightingRGB
Dimensions (W x L)9.6" x 8.1"
Power Pin1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
Windows 11Supported
FeaturesI/O Controller:
iTE I/O Controller Chip
H/W Monitoring:
Voltage detection
Temperature detection
Fan speed detection
Overheating warning
Fan fail warning
Fan speed control
* Whether the fan speed control function is supported will depend on the fan you install.
BIOS:
1 x 128 Mbit flash
Use of licensed AMI UEFI BIOS
PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0
Unique Features:
Support for APP Center
* Available applications in APP Center may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications.
@BIOS
EasyTune
Fast
Shipping weight0.73 kg
Package size267 × 241 × 56 mm

Other versions of this model

1 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

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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