2x DDR4 DIMM Memory Slot, Max. Supports up to 64 GB of Memory
Each DIMM supports non-ECC and ECC Un-buffered 8/ 16/ 32 GB DDR4 module
Integrated Video:
By CPU model
Supports DX12
Supports HDCP
Storage:
Total supports 1x M.2 socket and 4 x SATA III (6Gb/s) ports
1x M.2 (M Key) Socket (M2_PCIE_SATA1): Supports M.2 Type 2242/ 2260/ 2280 SSD module | AMD Ryzen 5000/3000 Series Processors | Supports PCIe 4.0 x 4 (64Gb/s) & SATA III (6.0Gb/s) SSD | AMD Ryzen 5000 G/4000 G Series Processors | Supports PCIe 3.0 x 4 (32Gb/s) & SATA III (6.0Gb/s) SSD | AMD B550 Chipset
4x SATA III Connectors (6Gb/s): Supports AHCI & RAID 0, 1, 10
2 (M2_PCIE_SATA1) Socket: The bandwidth is dependent on the CPU. Supports PCIe 4.0 x 4 (64Gb/s) speed, which depends only on Ryzen 3rd Gen Matisse & 4th Gen Vermeer
LAN:
Realtek RTL8111H
10/ 100/ 1000 Mb/s auto-negotiation, Half / Full duplex capability
Supports Super LAN Surge Protection
Audio Codec:
ALC887
1 Channels, High-Definition Audio, Hi-Fi (Front)
USB:
8x USB 3.2 (Gen1) ports (4 on rear I/Os and 4 via internal headers)
6x USB 2.0 ports (2 on rear I/Os and 4 via internal headers)
Expansion Slot:
AMD Ryzen 5000/3000 Series Processors
1x PCIe 4.0 x16 Slot (x16 or x4/x4/x4/x4 mode), or
AMD Ryzen 5000 G/4000 G Series Processors
1x PCIe 3.0 x16 Slot (x16 or x8/x4/x4 mode)
AMD B550 Chipset
2x PCIe 3.0 x 1 Slot
Rear I/O:
1x PS/2 Keyboard
1x PS/2 Mouse
1x HDMI Port
1x VGA Port
1x LAN port
4x USB 3.2 (Gen1) Ports
2x USB 2.0 Ports
3x Audio Jack
Internal I/O:
4x SATA III (6.0Gb/s) Connectors
2x USB 2.0 Header (each header supports 2 USB 2.0 ports)
2x USB 3.2 (Gen1) Header (each header supports 2 USB 3.2 (Gen1) ports)
1x 8-Pin Power Connector
1x 24-Pin Power Connector
1x CPU Fan Connector
1x System Fan Connector
1x Front Panel Header
1x Front Audio Header
1x Clear CMOS Header
1x Internal Stereo Speaker Header
1x COM Port Header
H/W Monitoring:
CPU / System Temperature Monitoring
CPU / System Fan Monitoring
Smart / Manual CPU Fan Control
System Voltage Monitoring
Bundle Software:
BullGuard
Ratings & Reviews of BIOSTAR B550MH AMD B550 Chipset Motherboard