Biostar B550MH, AMD B550, AM4

AMD B550
Supports Dual Channel DDR4 4400+(OC)/ 4000(OC)/ 3800(OC)/ 3600(OC)/ 3200/ 2933/ 2667/ 2400/ 2133
3rd Gen AMD Ryzen Processors (Matisse CPUs): Supports Dual Channel DDR4 4400+(OC)/ 4000(OC)/ 3800(OC)/ 3600(OC)/ 3200/ 2933/ 2667/ 2400/ 2133
3rd Gen AMD Ryzen with Radeon Graphics Processors (Renoir APUs): Supports Dual Channel DDR4 4933+(OC)/ 4800(OC)/ 4600(OC)/ 4400(OC)/ 4000(OC)/ 3800(OC)/ 3600(OC)/ 3200/ 2933/ 2667/ 2400/ 2133
2 x DDR4 DIMM Memory Slot, Max. Supports up to 64 GB Memory
4 x SATA III Connector (6Gb/s) : Supports AHCI & RAID 0, 1, 10
1 x M.2 (M Key) Socket:
Supports M.2 Type 2242/ 2260/ 2280 SSD module
Supports PCIe 4.0 x 4 (64Gb/s)/ 3.0 x 4 (32Gb/s)
Supports SATA III (6.0Gb/s) SSD
* M.2 (M Key) Socket (M2_PCIe-SATA1):
Realtek RTL8111H
10/ 100/ 1000 Mb/s auto negotiation, Half / Full duplex capability
ALC887 7.1 Channels, High Definition Audio, Hi-Fi (Front)
8 x USB 3.2 (Gen1) ports (4 on rear I/Os and 4 via internal headers)
6 x USB 2.0 ports (2 on rear I/Os and 4 via internal headers)
1 x PCIe 4.0/ 3.0 x 16 Slot:
1 x PS/2 Mouse
1 x HDMI Port
1 x VGA Port
1 x LAN port
4 x USB 3.2 (Gen1) Ports
2 x USB 2.0 Ports
3 x Audio Jack
4 x SATA III (6.0Gb/s) Connectors
2 x USB 2.0 Header (each header supports 2 USB 2.0 ports)
2 x USB 3.2 (Gen1) Header (each header supports 2 USB 3.2 (Gen1) ports)
1 x 8-Pin Power Connector
1 x 24-Pin Power Connector
1 x CPU Fan Connector
1 x System Fan Connector
1 x Front Panel Header
1 x Front Audio Header
1 x Clear CMOS Header
1 x Internal Stereo Speaker Header
1 x COM Port Header
Micro ATX Form Factor Dimension: 24.4cm x 20.8cm ( W x L )