Asrock B550 Pro4 Socket AM4 ATX AMD B550

Data sheet

Width

305 mm

Depth

244 mm

Wi-Fi

No

Audio output channels

7.1 channels

Microphone in

Yes

Drivers included

Yes

Ethernet LAN (RJ-45) ports

1

HDMI ports quantity

1

VGA (D-Sub) ports quantity

1

Maximum internal memory

128 GB

Ethernet LAN

Yes

HDCP

Yes

Processor manufacturer

AMD

On-board graphics card

Yes

Motherboard chipset

AMD B550

USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity

4

USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity

1

Memory channels

Dual-channel

Audio chip

Realtek ALC1200

USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity

1

Graphics card family

AMD

Graphics card

Radeon Vega

Processor socket

Socket AM4

RGB LED pin header

Yes

Ethernet interface type

Gigabit Ethernet

Number of SATA III connectors

6

Memory slots type

DIMM

DirectX version

12.0

Motherboard form factor

ATX

Compatible processor series

3rd Generation AMD Ryzen 5
3rd Generation AMD Ryzen™ 3
3rd Generation AMD Ryzen™ 7
3rd Generation AMD Ryzen™ 9

Supported memory types

DDR4-SDRAM

Maximum number of SMP processors

1

Motherboard chipset family

AMD

Number of memory slots

4

Supported memory clock speeds

2133
2400
2667
2933
3200
3466
3600
3733
3800
3866
4000
4133
4200
4266
4333
4400
4466
4533

Peripheral (Molex) power connectors (4-pin)

1

USB 2.0 connectors

4

ATX Power connector (24-pin)

Yes

CPU fan connector

Yes

Front panel audio connector

Yes

Supported storage drive interfaces

M.2, Serial ATA III

PS/2 ports quantity

1

Unbuffered memory

Yes

Wake-on-LAN ready

Yes

LAN controller

Realtek RTL8111H

USB 3.2 Gen 1 (3.1 Gen 1) connectors

2

12V power connector

Yes

BIOS type

UEFI AMI

Number of COM connectors

1

EPS power connector (8-pin)

Yes