ASUS PRIME B550M-A WIFI II AMD B550 Socket AM4 micro ATX

Data sheet

Height

67 mm

Width

244 mm

Depth

244 mm

Weight

845 g

Bluetooth

Yes

Bluetooth version

5.2

Packaging content

2 x SATA 6Gb/s cables
1 x ASUS Wi-Fi moving antennas
1 x I/O Shield
1 x M.2 SSD screw package
1 x Support DVD
1 x User manual

Wi-Fi

Yes

Audio output channels

7.1 channels

Headphone outputs

1

Cables included

SATA

Microphone in

Yes

Drivers included

Yes

Windows operating systems supported

Windows 10 x64
Windows 11 x64

Wi-Fi standards

802.11a
802.11b
802.11g
Wi-Fi 4 (802.11n)
Wi-Fi 5 (802.11ac)
Wi-Fi 6 (802.11ax)

Ethernet LAN (RJ-45) ports

1

HDMI ports quantity

1

VGA (D-Sub) ports quantity

1

Maximum internal memory

128 GB

Ethernet LAN

Yes

HDMI version

2.1

DVI-D ports quantity

1

Product colour

Multicolour

Harmonized System (HS) code

84733020

Processor manufacturer

AMD

On-board graphics card

No

Top Wi-Fi standard

Wi-Fi 6 (802.11ax)

Motherboard chipset

AMD B550

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

4

Memory channels

Dual-channel

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

2

Processor socket

Socket AM4

USB connector type

USB Type-A

RGB LED pin header

Yes

Ethernet interface type

Gigabit Ethernet

RAID support

Yes

Number of SATA III connectors

4

Memory slots type

DIMM

Parallel processing technology support

Not supported

Motherboard form factor

Micro ATX

Compatible processor series

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

Supported memory types

DDR4-SDRAM

Motherboard chipset family

AMD

Number of memory slots

4

Supported memory clock speeds

2133
2400
2666
2800
3000
3200
3333
3466
3600
3733
3866
4000
4133
4266
4400
4466
4600
4800
4866

USB 2.0 connectors

2

ATX Power connector (24-pin)

Yes

CPU fan connector

Yes

Front panel audio connector

Yes

Clear CMOS jumper

Yes

Supported storage drive interfaces

M.2, PCI Express 3.0, PCI Express 4.0, SATA 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

1

TPM connector

Yes

12V power connector

Yes

BIOS type

UEFI AMI

PCI Express x16 (Gen 3.x) slots

1

Number of chassis fan connectors

2

Number of COM connectors

1

RAID levels

0
1
10

Number of storage drives supported

6

Supported storage drive types

HDD & SSD

PCI Express x1 (Gen 3.x) slots

2

Number of M.2 (M) slots

2

Supported processor sockets

Socket AM4

EPS power connector (8-pin)

Yes

S/PDIF out connector

Yes

PCI Express x16 (Gen 4.x) slots

1

WiFi-AP antenna jack

1

Number of EATX power connectors

1