3
Safety Information
Specifications
Specifications
CPU
Support 3rd Gen AMD Ryzen™ Desktop Processors and AMD
Ryzen™4000 G-Series Desktop Processors
Chipset
∙
AMD B550 Chipset (B550M-A PRO)
∙
AMD A520 Chipset (A520M-A PRO)
Memory
∙
2x DDR4 memory slots, support up to 64GB*
▪
Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/
3000/ 3066/ 3200 MHz by JEDEC
▪
Supports DDR4 2667/ 2800 /2933 /3000 /3066 /3200
/3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400/ 4600+
MHz by A-XMP OC MODE
▫
1DPC 1R max speed 4600 MHz
▫
1DPC 2R max speed 3866 MHz
∙
Dual channel memory architecture
∙
Supports non-ECC UDIMM memory
∙
Supports ECC UDIMM memory (non-ECC mode)
∙
Supports un-buffered memory
* Please refer www.msi.com for more information on
compatible memory.
Expansion Slots
∙
1x PCIe 3.0 x1 slot
∙
1x PCIe x16 slot
▪
B550M-A PRO supports PCIe 4.0/3.0*
▪
A520M-A PRO supports PCIe 3.0
* PCIe specifications may vary depending on the CPU
installed.
Onboard
Graphics
∙
1x HDMI 2.1 port, supporting a maximum resolution of
4096x2160 @60Hz*
/
**
∙
1x DVI-D port, supporting a maximum resolution of
1920x1200 @60Hz*
∙
Maximum shared memory of 16GB
* Available for the processor with integrated graphics.
** Graphics specifications may vary depending on the CPU
installed.
Audio
Realtek® ALC892 Codec
▪
7.1-Channel High Definition Audio
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