MSI B550-A PRO [16/176] Specifications

Specifications

CPU

Supports AM4 socket 3rd Gen AMD Ryzen™ processors, and

future AMD Ryzen™ processors with BIOS update

Chipset AMD B550 Chipset

Memory

∙ 4x DDR4 memory slots, support up to 128GB*

▪ 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+ MHz by

A-XMP OC MODE

▫ 1DPC 1R max speed 4400 MHz

▫ 1DPC 2R max speed 3866 MHz

▫ 2DPC 1R max speed 4000 MHz

▫ 2DPC 2R max speed 3600 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 Slot

∙ 1x PCIe 4.0/ 3.0 x16 slot (PCI_E1)*

∙ 1x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed**

∙ 2x PCIe 3.0 x1 slots

* The supported specification depends on installed processor.

** When installing PCIe SSD in M.2_2, PCI_E3 slot will be unavailable.

Multi-GPU ∙ Supports 2-Way AMD CrossFire™ Technology

Onboard Graphics

∙ 1x HDMI 2.1 port, supports a maximum resolution of

4096x2160 @60Hz*/**

∙ 1x DisplayPort 1.2 port, supports a maximum resolution of

4096x2160 @60Hz**

∙ Maximum shared memory of 16 GB

* Graphics specifications may vary depending on the CPU installed.

** Available for the processor with integrated graphics.

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