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

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
£129.53 £107.94
Availability:
In Stock
SKU
90MB19X0-M0EAY0
  • AMD AM4 Socket: Ready for Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
  • Comprehensive Cooling: VRM heatsink, PCH heatsink, hybrid fan headers, and Fan Xpert 2+ utility
  • Ultrafast Connectivity: Dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A support
  • Aura Sync RGB Lighting: Onboard addressable Gen 2 header and RGB headers for RGB LED strips, easily synced with Aura Sync-capable hardware
Internal I/O
Number of M.2 (M) slots2
USB 3.2 Gen 2 (3.1 Gen 2) connectors0
12V power connectorYes
Supported storage drive interfacesM.2, PCI Express 3.0, PCI Express 4.0, SATA III
USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors1
mSATA ports quantity0
TPM connectorYes
S/PDIF out connectorYes
Number of SATA connectors0
Number of SATA III connectors4
Number of SATA II connectors0
Number of EATX power connectors1
Number of COM connectors1
Number of chassis fan connectors2
Front panel audio connectorYes
EPS power connector (8-pin)Yes
CPU fan connectorYes
ATX Power connector (24-pin)Yes
RGB LED pin headerYes
Technical details
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Supported processor socketsSocket AM4
Parallel processing technology supportNot supported
On-board graphics cardNo
HDMI version2.1
Motherboard form factormicro ATX
Component forPC
Audio
Audio output channels7.1 channels
Performance
Supported storage drive typesHDD & SSD
Windows operating systems supportedWindows 10 x64, Windows 11 x64
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
RAID levels0, 1, 10
Supported processor socketsSocket AM4
Audio output channels7.1 channels
Motherboard form factormicro ATX
Component forPC
Processor
Processor manufacturerAMD
Compatible processor seriesAMD Ryzen 3000 Series, AMD Ryzen 5000 Series
Supported processor socketsSocket AM4
Processor socketSocket AM4
Memory
Number of memory slots4
Memory slots typeDIMM
Supported memory typesDDR4-SDRAM
Memory channelsDual-channel
Supported memory clock speeds2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4466,4600,4800,4866 MHz
Maximum internal memory128 GB
Unbuffered memoryYes
ECC сompatibilityECC
Storage controllers
Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2, PCI Express 3.0, PCI Express 4.0, SATA III
RAID levels0, 1, 10
Number of storage drives supported6
RAID supportYes
Graphics
Parallel processing technology supportNot supported
On-board graphics cardNo
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity0
USB connector typeUSB Type-A
USB 2.0 ports quantity0
WiFi-AP antenna jack1
VGA (D-Sub) ports quantity1
PS/2 ports quantity1
Microphone inYes
Headphone outputs1
HDMI version2.1
HDMI ports quantity1
Ethernet LAN (RJ-45) ports1
DVI-D ports quantity1
Network
Ethernet LANYes
Wi-FiYes
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Wake-on-LAN readyYes
LAN controllerRealtek RTL8111H
Ethernet interface typeGigabit Ethernet
BluetoothYes
Bluetooth version5.2
Top Wi-Fi standardWi-Fi 6 (802.11ax)
Features
Windows operating systems supportedWindows 10 x64, Windows 11 x64
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Supported processor socketsSocket AM4
Audio output channels7.1 channels
Motherboard form factormicro ATX
Component forPC
Harmonized System (HS) code84733020
Product colourMulticolour
Expansion slots
Number of M.2 (M) slots2
PCI Express x1 (Gen 3.x) slots2
PCI Express x16 (Gen 3.x) slots1
PCI slots0
PCI Express x16 (Gen 4.x) slots1
BIOS
BIOS typeUEFI AMI
Clear CMOS jumperYes
BIOS memory size256 Mbit
Software
Windows operating systems supportedWindows 10 x64, Windows 11 x64
Drivers includedYes
Logistics data
Harmonized System (HS) code84733020
Weight & dimensions
Height67 mm
Weight845 g
Width244 mm
Depth244 mm
Packaging content
Drivers includedYes
Cables includedSATA
Other features
Height67 mm
mSATA ports quantity0
Weight845 g
Packaging content2 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