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

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

Asus

Ratings: 5.0/5 (3)

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AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, HDMI, DVI-D, D-Sub, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB lighting support

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Specifications

Processor

Processor manufacturer
AMD
Processor socket
Socket AM4
Compatible processor series
AMD Ryzen 3000 Series, AMD Ryzen 5000 Series
Supported processor sockets
Socket AM4

Memory

Supported memory types
DDR4-SDRAM
Number of memory slots
4
Memory slots type
DIMM
Memory channels
Dual-channel
ECC сompatibility
ECC
Supported memory clock speeds
2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4466,4600,4800,4866 MHz
Maximum internal memory
128 GB
Unbuffered memory
Yes

Storage controllers

Supported storage drive types
HDD & SSD
Supported storage drive interfaces
M.2, PCI Express 3.0, PCI Express 4.0, SATA III
Number of storage drives supported
6
RAID support
Yes
RAID levels
0, 1, 10

Graphics

Parallel processing technology support
Not supported
On-board graphics card
No

Internal I/O

USB 2.0 connectors
2
USB 3.2 Gen 1 (3.1 Gen 1) connectors
1
Number of SATA III connectors
4
S/PDIF out connector
Yes
Front panel audio connector
Yes
ATX Power connector (24-pin)
Yes
Number of EATX power connectors
1
CPU fan connector
Yes
Number of chassis fan connectors
2
EPS power connector (8-pin)
Yes
Number of COM connectors
1
TPM connector
Yes
12V power connector
Yes
RGB LED pin header
Yes

Rear panel I/O ports

USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
2
Ethernet LAN (RJ-45) ports
1
PS/2 ports quantity
1
VGA (D-Sub) ports quantity
1
HDMI ports quantity
1
HDMI version
2.1
DVI-D ports quantity
1
Headphone outputs
1
Microphone in
Yes
WiFi-AP antenna jack
1
USB connector type
USB Type-A

Network

Ethernet LAN
Yes
Ethernet interface type
Gigabit Ethernet
LAN controller
Realtek RTL8111H
Wake-on-LAN ready
Yes
Wi-Fi
Yes
Top Wi-Fi standard
Wi-Fi 6 (802.11ax)
Wi-Fi standards
802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Bluetooth
Yes
Bluetooth version
5.2

Features

Motherboard chipset
AMD B550
Audio output channels
7.1 channels
Product colour
Multicolour
Component for
PC
Motherboard form factor
micro ATX
Motherboard chipset family
AMD
Windows operating systems supported
Windows 10 x64, Windows 11 x64

Expansion slots

PCI Express x1 (Gen 3.x) slots
2
PCI Express x16 (Gen 4.x) slots
1
Number of M.2 (M) slots
2
1st M.2 largest key size
22110
1st M.2 highest PCI Express generation
4.0
2nd M.2 largest key size
2280
2nd M.2 highest PCI Express generation
3.0

BIOS

BIOS type
UEFI AMI
BIOS memory size
256 Mbit
Clear CMOS jumper
Yes

Logistics data

Harmonized System (HS) code
84733020

Weight & dimensions

Width
244 mm
Depth
244 mm
Height
67 mm

Packaging content

Cables included
SATA
Drivers included
Yes

Other features

Weight
845 g
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

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