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$136.16
$163.39 (Inc. VAT)
Internal I/O
Number of M.2 (M) slots
2
12V power connector
Yes
Supported storage drive interfaces
M.2, PCI Express 3.0, PCI Express 4.0, SATA III
USB 2.0 connectors
2
USB 3.2 Gen 1 (3.1 Gen 1) connectors
1
TPM connector
Yes
S/PDIF out connector
Yes
Number of SATA III connectors
4
Number of EATX power connectors
1
Number of COM connectors
1
Number of chassis fan connectors
2
Front panel audio connector
Yes
EPS power connector (8-pin)
Yes
CPU fan connector
Yes
ATX Power connector (24-pin)
Yes
RGB LED pin header
Yes
Technical details
Motherboard chipset family
AMD
Motherboard chipset
AMD B550
Supported processor sockets
Socket AM4
Parallel processing technology support
Not supported
On-board graphics card
No
HDMI version
2.1
Motherboard form factor
micro ATX
Component for
PC
Audio
Audio output channels
7.1 channels
Performance
Supported storage drive types
HDD & SSD
Windows operating systems supported
Windows 10 x64, Windows 11 x64
Motherboard chipset family
AMD
Motherboard chipset
AMD B550
RAID levels
0, 1, 10
Supported processor sockets
Socket AM4
Audio output channels
7.1 channels
Motherboard form factor
micro ATX
Component for
PC
Processor
Processor manufacturer
AMD
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
Processor socket
Socket AM4
Memory
Number of memory slots
4
Memory slots type
DIMM
Supported memory types
DDR4-SDRAM
Memory channels
Dual-channel
ECC
Yes
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
RAID levels
0, 1, 10
Number of storage drives supported
6
RAID support
Yes
Graphics
Parallel processing technology support
Not supported
On-board graphics card
No
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
USB connector type
USB Type-A
WiFi-AP antenna jack
1
VGA (D-Sub) ports quantity
1
PS/2 ports quantity
1
Microphone in
Yes
Headphone outputs
1
HDMI version
2.1
HDMI ports quantity
1
Ethernet LAN (RJ-45) ports
1
DVI-D ports quantity
1
Network
Ethernet LAN
Yes
Wi-Fi
Yes
Wi-Fi standards
802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Wake-on-LAN ready
Yes
LAN controller
Realtek RTL8111H
Ethernet interface type
Gigabit Ethernet
Bluetooth
Yes
Bluetooth version
5.2
Top Wi-Fi standard
Wi-Fi 6 (802.11ax)
Features
Windows operating systems supported
Windows 10 x64, Windows 11 x64
Motherboard chipset family
AMD
Motherboard chipset
AMD B550
Supported processor sockets
Socket AM4
Audio output channels
7.1 channels
Motherboard form factor
micro ATX
Component for
PC
Harmonized System (HS) code
84733020
Product colour
Multicolour
Expansion slots
Number of M.2 (M) slots
2
PCI Express x1 (Gen 3.x) slots
2
PCI Express x16 (Gen 3.x) slots
1
PCI Express x16 (Gen 4.x) slots
1
BIOS
BIOS type
UEFI AMI
Clear CMOS jumper
Yes
BIOS memory size
256 Mbit
Software
Windows operating systems supported
Windows 10 x64, Windows 11 x64
Drivers included
Yes
Logistics data
Harmonized System (HS) code
84733020
Weight & dimensions
Height
67 mm
Weight
845 g
Width
244 mm
Depth
244 mm
Packaging content
Drivers included
Yes
Cables included
SATA
Other features
Height
67 mm
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
ASUS PRIME B550M-A WIFI II AMD B550 Socket AM4 micro ATX
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