Asrock B550M Pro4 Socket AM4 Micro ATX AMD B550

Processor socket: Socket AM4
Compatible processor series: 3rd Generation AMD Ryzen 5, 3rd Generation AMD Ryzen™ 7, 3rd Generation AMD Ryzen™ 3, 3rd Generation AMD Ryzen™ 9
Processor manufacturer: AMD
Maximum number of SMP processors: 1
Parallel processing technology support: Not supported
Motherboard form factor: micro ATX
Audio output channels: 7.1 channels
Motherboard chipset: AMD B550
Motherboard chipset family: AMD
Audio chip: Realtek ALC1200
Unbuffered memory: Yes
Memory channels: Dual-channel
Supported memory clock speeds: 4333, 4133, 4000, 3866, 3200, 4266, 2400, 2933, 3600, 3466, 3800, 4466, 4533, 2667, 3733, 4400, 2133 MHz, 4200
Number of memory slots: 4
Maximum internal memory: 128 GB
Memory slots type: DIMM
Supported memory types: DDR4-SDRAM
Depth: 244 mm
Width: 244 mm
LAN controller: Realtek RTL8111H
Ethernet LAN: Yes
Wi-Fi: No
Ethernet interface type: Gigabit Ethernet
Wake-on-LAN ready: Yes
ATX Power connector (24-pin): Yes
USB 2.0 connectors: 2
USB 3.2 Gen 1 (3.1 Gen 1) connectors: 2
EPS power connector (8-pin): Yes
RGB LED pin header: Yes
Number of SATA II connectors: 6
Number of COM connectors: 1
Front panel connector: Yes
TPM connector: Yes
BIOS type: UEFI AMI
Drivers included: Yes
Supported storage drive interfaces: M.2, Serial ATA III
DisplayPorts quantity: 1
USB 2.0 ports quantity: 2
HDMI ports quantity: 1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4
VGA (D-Sub) ports quantity: 1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity: 1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 1
Ethernet LAN (RJ-45) ports: 1
PS/2 ports quantity: 1