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Green micro-ATX motherboard with silver AM4 socket, two black DDR4 slots, single PCIe x16 slot, four SATA ports and rear I/O shield

MSI

MSI A320M-A PRO MAX AM4 AMD motherboard

SKU CH-S2RC-GZHX6

Micro-ATX AM4 board with AMD A320 chipset, two DDR4 slots up to 32 GB, one PCIe 3.0 x16 slot, four SATA 6Gb/s ports and an M.2 socket

  • CPU Socket TypeAM4
  • CPU TypeSupports 1st, 2nd and 3rd Gen AMD Ryzen / Ryzen with Radeon
  • ChipsetAMD A320
  • Number of Memory Slots2x288pin (DDR4)
  • Memory StandardSupports 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz (by A-XMP OC
  • Maximum Memory Supported32GB
  • Broad Ryzen compatibility across three generations with AM4 socket
  • Dual-channel DDR4 up to 3200 MHz via A-XMP OC mode
  • Single PCIe 3.0 x16 slot at x16 speed for discrete graphics
  • Four SATA 6Gb/s ports plus one M.2 slot for mixed storage
  • 1-channel Realtek ALC892 audio and 1 Gbps Realtek 8111H LAN

Socket AM4 Platform

This Micro ATX board uses the AMD A320 chipset and accepts 1st, 2nd and 3rd Gen Ryzen desktop processors as well as compatible Athlon and A-series APUs. It is aimed at builders who need a compact foundation for office or entry-level gaming systems without overclocking headroom.

Memory And Drive Checks

Verify that your DDR4 modules run at 3200, 3066, 3000, 2933, 2800 or 2667 MHz via A-XMP OC MODE or at JEDEC speeds down to 1866 MHz; only two 288-pin slots are available for a maximum of 32 GB in dual channel. Confirm that any M.2 drive fits the Key M slot which operates at PCIe 3.0 x4 or x2 depending on the CPU, and that SATA devices use the four 6Gb/s ports.

Sustained Operation

The Realtek 8111H LAN controller maintains 1 Gbps throughput during long transfers, while the Realtek ALC892 codec delivers 7.1 channel audio without extra cooling. Video output relies on the processor's integrated graphics through a DVI-D port at 1920x1200@60Hz or an HDMI 1.4 port at 4096x2160@24Hz, so sustained loads stay within the CPU's thermal envelope.

Highlights

  • Broad Ryzen compatibility across three generations with AM4 socket
  • Dual-channel DDR4 up to 3200 MHz via A-XMP OC mode
  • Single PCIe 3.0 x16 slot at x16 speed for discrete graphics
  • Four SATA 6Gb/s ports plus one M.2 slot for mixed storage
  • 1-channel Realtek ALC892 audio and 1 Gbps Realtek 8111H LAN

Specifications

BrandMSI
ModelA320M-A PRO MAX
CPU Socket TypeAM4
CPU TypeSupports 1st, 2nd and 3rd Gen AMD Ryzen / Ryzen with Radeon Vega Graphics and 2nd Gen AMD Ryzen with Radeon Graphics / Athlon with Radeon Vega Graphics and A-series / Athlon X4 Desktop Processors for Socket AM4
ChipsetAMD A320
Number of Memory Slots2x288pin (DDR4)
Memory StandardSupports 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz (by A-XMP OC MODE)
Support DDR4 3200(OC)/ 2933(OC)/ 2667/ 2400/ 2133/ 1866 MHz (by JEDEC)
Maximum Memory Supported32GB
Channel SupportedDual Channel
PCI Express 3.0 x161 x PCIe 3.0 x16 slot:
1st, 2nd and 3rd Gen AMD Ryzen: Supports x16 speed
Ryzen with Radeon Vega Graphics, 2nd Gen AMD Ryzen with Radeon Graphics, A-series, Athlon X4: Supports x8 speed
AMD Athlon with Radeon Vega Graphics: Supports x4 speed
PCI Express x1PCIe 2.0 x1 slot
Serial ATA (SATA)4 x SATA 6Gb/s
M.21 x M.2 slot (Key M)
Supports PCIe 3.0 x4 and SATA 6Gb/s:
- 1st, 2nd and 3rd Gen AMD Ryzen
- Ryzen with Radeon Vega Graphics
- 2nd Gen AMD Ryzen with Radeon Graphics
Supports PCIe 3.0 x2 and SATA 6Gb/s:
- AMD Athlon with Radeon Vega Graphics
- A-series
- Athlon X4
Supports 2242/2280/22110 storage devices
SATA RAID0/1/10
Onboard Video ChipsetSupported only by CPU with integrated graphic:
1 x DVI-D port, supports a maximum resolution of 1920x1200@60Hz
1 x HDMI 1.4 port, supports a maximum resolution of 4096x2160@24Hz
Only support when using the processor with Graphicss
Maximum shared memory of 2048MB
Audio ChipsetRealtek ALC892
Audio Channels7.1 Channels
LAN ChipsetRealtek 8111H
Max LAN Speed1Gbps
Onboard USB2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
1 x USB 3.2 Gen1 connector (supports additional 2 USB 3.2 Gen1 ports)
Other Connectors1 x 4-pin CPU fan connector
1 x 4-pin system fan connector
1 x Front panel audio connector
2 x Front panel connectors
1 x TPM module connector
1 x Chassis Intrusion connector
1 x Serial port connector
1 x Clear CMOS jumper
Form FactorMicro ATX
Dimensions (W x L)9.3" x 7.9"
Power Pin1 x 24-pin ATX main power connector
1 x 4-pin ATX 12V power connector
FeaturesSupports 1st, 2nd and 3rd Gen AMD Ryzen / Ryzen with Radeon Vega Graphics and 2nd Gen AMD Ryzen with Radeon Graphics / Athlon with Radeon Vega Graphics and A-series / Athlon X4 Desktop Processors for Socket AM4
Supports DDR4 Memory, up to 3200 (OC) MHz
Turbo M.2: Running at PCI-E Gen3 x4 maximizes performance for NVMe based SSDs
Audio Boost: Reward your ears with studio grade sound quality
X-Boost: Software that auto-detects and allows you to boost the performance of any storage or USB device
Core Boost: With premium layout and fully digital power design to support more cores and pro

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