MSI M/Board AMD 3rd Gen Ryzen AM4 CPU B550M-P Gen3

4x DDR4 memory slots, supporting up to 128GB* 1

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 3733 MHz

2DPC 1R max speed 3866 MHz

2DPC 2R max speed 3466 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.

1x PCIe 3.0 x16 slot (From CPU)

2x PCIe 3.0 x1 slots (From AMD B550 chipset)

1x VGA port, supports a maximum resolution of 2048x1536 @50Hz, 2048x1280 @60Hz, 1920x1200 @60Hz 1

1x HDMI™ 1.4 port, supporting a maximum resolution of 4096x2160 @30Hz, 2560x1600 @60Hz 1 2

1x DVI-D port, supports a maximum resolution of 1920x1200 @60Hz 1 2

Maximum shared memory of 16 GB

Available only on processors featuring integrated graphics.Graphics specifications may vary depending on the CPU installed.

1x M.2 slot (Key M)

M2_1 slot (From CPU)

Supports PCIe 3.0 x4

Supports SATA 6Gb/s

Supports 2242/ 2260/ 2280 storage devices

1x USB 3.2 Gen 1 5Gbps connectors (From AMD B550 Chipset)

Supports additional 2 USB 3.2 Gen 1 5Gbps ports

2x USB 2.0 Type-A connectors (From AMD B550 Chipset)

Supports additional 4 USB 2.0 ports

1x Front panel audio connector

2x System panel connectors

1x Chassis Intrusion connector

1x Serial port connector

1x Parallel port connector

1x TPM module connector

1x 4-pin RGB LED connector

4x EZ Debug LED

Keyboard / Mouse

VGA

USB 2.0

USB 3.2 Gen 1 5Gbps Type-A

LAN port

Audio connector

USB 2.0

DVI-D

HDMI™

USB 3.2 Gen 1 5Gbps Type-A

m-ATX Form Factor

9.6 in. x 9.6 in. (24.4 cm x 24.4 cm)

1x 256 Mb flash

UEFI AMI BIOS

ACPI 6.1, SMBIOS 2.8

Multi-language