Asrock B550M Steel Legend Socket AM4 micro ATX AMD B550

Data sheet

Width

244 mm

Depth

244 mm

Wi-Fi

No

Audio output channels

7.1 channels

USB 2.0 ports quantity

2

Drivers included

Yes

Ethernet LAN (RJ-45) ports

1

HDMI ports quantity

1

Maximum internal memory

128 GB

DisplayPorts quantity

1

Ethernet LAN

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

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

1

Graphics card family

AMD

Processor socket

Socket AM4

Ethernet interface type

2.5 Gigabit Ethernet

S/PDIF out port

Yes

Memory slots type

DIMM

Motherboard form factor

Micro 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 MHz
3466
3600
3733
3800
3866
4000
4133
4200
4266
4333
4400 MHz
4466
4533

Peripheral (Molex) power connectors (4-pin)

1

USB 2.0 connectors

2

ATX Power connector (24-pin)

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

Dragon RTL8125BG

USB 3.2 Gen 1 (3.1 Gen 1) connectors

2

BIOS type

UEFI AMI

RAID levels

0
1
10