Teknisk Info for ASRock B550 Pro4 Socket AM4 ATX AMD B550
Compatible processor series3rd Generation AMD Ryzen 5, 3rd Generation AMD Ryzen™ 9, 3rd Generation AMD Ryzen™ 7, 3rd Generation AMD Ryzen™ 3
Processor manufacturerAMD
Maximum number of SMP processors1
Processor socketSocket AM4
Graphics card familyAMD
Graphics cardRadeon Vega
HDCPY
DirectX version12.0
On-board graphics cardY
Motherboard form factorATX
Audio output channels7.1 channels
Audio chipRealtek ALC1200
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Maximum internal memory128 GB
Number of memory slots4
Supported memory typesDDR4-SDRAM
Memory slots typeDIMM
Memory channelsDual-channel
Unbuffered memoryY
Supported memory clock speeds3466, 3800, 4466, 4133 MHz, 2400, 4333, 3200 MHz, 4266, 4533, 4000, 2933, 3600, 3866, 2667, 3733, 4400 MHz, 2133, 4200
Depth244 mm
Width305 mm
Wi-FiN
Ethernet LANY
Ethernet interface typeGigabit Ethernet
LAN controllerRealtek RTL8111H
Wake-on-LAN readyY
Peripheral (Molex) power connectors (4-pin)1
Front panel audio connectorY
RGB LED pin headerY
ATX Power connector (24-pin)Y
USB 3.2 Gen 1 (3.1 Gen 1) connectors2
12V power connectorY
CPU fan connectorY
Number of COM connectors1
Number of SATA III connectors6
EPS power connector (8-pin)Y
USB 2.0 connectors4
BIOS typeUEFI AMI
Drivers includedY
Supported storage drive interfacesM.2, Serial ATA III
VGA (D-Sub) ports quantity1
Microphone inY
HDMI ports quantity1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
Ethernet LAN (RJ-45) ports1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity1
PS/2 ports quantity1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1