B550M-A PRO

Supports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G) and AMD Ryzen™ 4000 G-Series desktop processors

AM4

AMD B550

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 mor

DDR4

1866 / 2133 / 2400 / 2667 / 2800 / 2933 / 3000 / 3066 / 3200 MHz

2 Slots

1x HDMI 2.1 port, supports a maximum resolution of 4096x2160 @60Hz
Support HDCP 1.4 & 2.3
1x DVI-D port, supports a maximum resolution of 1920x1200@60Hz1
Maximum shared memory of 16 GB

None

Realtek® ALC892/ALC897 Codec
7.1-Channel High Definition Audio

1x PCIe 3.0 x1 slot
1x PCIe 4.0/3.0 x16 slot

4x SATA 6Gb/s ports
1x M.2 slot (Key M) (from AMD Processor)
- Supports PCIe 4.0/ 3.0
- Supports SATA 6Gb/s
- Supports 2242/ 2260/ 2280 storage devices

RAID
Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices

AMD B550 Chipset
2x USB 3.2 Gen 1 5Gbps ports are available through the internal USB 3.2 Gen 1 5Gbps connector
6x USB 2.0 ports (2 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors)

AMD Processor
4x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel

1x 24-pin ATX main power connector
1x 4-pin ATX 12V power connector
4x SATA 6Gb/s connectors
1x M.2 slots (M-Key)
1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
2x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
1x 4-pin CPU fan connector
1x 4-pin system fan connectors
1x Front panel audio connector
2x System panel connectors
1x Chassis Intrusion connector
1xTPM module connector
1x Clear CMOS jumper

1x LAN port
1x HDMI
1x DVI-D
2x Keyboard / Mouse
4x USB 3.2 Gen 1 5Gbps Type-A
2x USB 2.0 Ports
3x Audio Connectors

1x Realtek^® RTL8111H Gigabit LAN controller

None

Micro-ATX Form Factor
9.3 in. x 7.9 in. (23.6 cm x 20 cm)

N/A

N/A

N/A

N/A

Windows 10 64-bit