MSI PRO B550M-P WIFI6E AM4 mATX Motherboard

Chipset: B550

Board Size: mATX (24.3cm x 24.3cm)

Socket AM4: Supports AMD Ryzen 3000, 4000, 5000 CPUs

2x DDR4 DIMMs: Dual Channel up-to 128GB / OC up-to 4400MT/s

Audio: 7.1 CH HD

LAN: 1 GbE

PCIe Card Slots:

1x PCIe x16 slot: 4.0 x16 from CPU

2x PCIe x1 slot: 3.0 x1 from Chipset

Back I/O Panel:

1 x HDMI Port

1 x DisplayPort 

1 x VGA

4 x USB 3.2 Gen1 Type-A Ports

2 x USB 2.0 Ports

1 x RJ-45 LAN Port

1 x PS/2 Port

2 x Wi-Fi/ Bluetooth Antenna

3 x Audio Jacks

Storage:

1 x M.2 NVMe PCIe 4.0 x4

1 x M.2 NVMe PCIe 3.0 x4

4 x SATA

Connectors:

1x Power Connector(ATX_PWR)

1x Power Connector(CPU_PWR)

1x CPU Fan

2x System Fan

2x Front Panel (JFP)

1x Chassis Intrusion (JCI)

1x Front Audio (JAUD)

1x Com Port (JCOM)

2x Addressable V2 RGB LED connector (JARGB_V2)

2x RGB LED connector(JRGB)

1x TPM pin header(Support TPM 2.0)

4x USB 2.0 ports

2x USB 5Gbps Type A ports

1x USB 5Gbps Type C ports