ASUS PRIME B550M-A WIFI II. Processor manufacturer AMD, Processor socket Socket AM4, Compatible processor series AMD Ryzen 3, AMD Ryzen 5, AMD Ryzen 7, 3rd Generation AMD Ryzen 9, AMD Ryzen 9 5th Gen. Supported memory types DDR4-SDRAM, Maximum internal memory 128 GB, Memory slots type DIMM. Supported storage drive interfaces M.2,PCI Express 3.0,PCI Express 4.0,SATA III, Supported storage drive types HDD & SSD. USB connector type USB Type-A. Ethernet interface type Gigabit Ethernet, LAN controller Realtek RTL8111H, Top Wi-Fi standard Wi-Fi 6 (802.11ax)
Processor
Processor manufacturer
AMD
Processor socket
Socket AM4
Compatible processor series
AMD Ryzen 3, AMD Ryzen 5, AMD Ryzen 7, 3rd Generation AMD Ryzen 9, AMD Ryzen 9 5th Gen
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
Y
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
Y
Features
Component for
PC
Motherboard form factor
micro ATX
Motherboard chipset family
AMD
Motherboard chipset
AMD B550
Audio output channels
7.1 channels
Windows operating systems supported
Windows 10 x64,Windows 11 x64
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
Y
Front panel audio connector
Y
ATX Power connector (24-pin)
Y
Number of EATX power connectors
1
CPU fan connector
Y
Number of chassis fan connectors
2
EPS power connector (8-pin)
Y
Number of COM connectors
1
TPM connector
Y
12V power connector
Y
RGB LED pin header
Y
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
Y
WiFi-AP antenna jack
1
USB connector type
USB Type-A
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
Y
RAID levels
0,1,10
Network
Ethernet LAN
Y
Ethernet interface type
Gigabit Ethernet
LAN controller
Realtek RTL8111H
Wake-on-LAN ready
Y
Wi-Fi
Y
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
Y
Bluetooth version
5.2
BIOS
BIOS type
UEFI AMI
BIOS memory size
256 Mbit
Clear CMOS jumper
Y
Expansion slots
PCI Express x1 (Gen 3.x) slots
2
PCI Express x16 (Gen 3.x) slots
1
PCI Express x16 (Gen 4.x) slots
1
Number of M.2 (M) slots
2
Graphics
Parallel processing technology support
Not supported
Weight & dimensions
Width
244 mm
Depth
244 mm
Packaging content
Cables included
SATA
Drivers included
Y
Other features
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
