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ASUS PRIME B550M-A WIFI II - Motherboard - micro ATX - Socket AM4 - AMD B550 Chipset - USB 3.2 Gen 1, USB 3.2 Gen 2 - Gigabit LAN, Wi-Fi 6, Bluetooth - onboard graphics (CPU required) - HD Audio (8-channel)

MPN 90MB19X0-M0EAY0 EAN 4711081309741 ASUS
Trade customers only
£107.99 ex VAT £129.59 inc VAT
In stock · 11 available
Trade customers only: orders need a verified business account. Prices ex VAT; VAT is added at checkout.
Quote-led: a person reviews pricing and stock before you commit.
Genuine stock with the manufacturer warranty intact.
Structured returns with credit notes when something is wrong.
Questions? 01224 600337 — Aberdeen & across the UK.
Fresh data: stock and pricing updated 22 Oct 2026.

Description

Manufacturer Code: 90MB19X0-M0EAY0

Overview

ASUS PRIME B550M-A WIFI II - Motherboard - micro ATX - Socket AM4 - AMD B550 Chipset - USB 3.2 Gen 1, USB 3.2 Gen 2 - Gigabit LAN, Wi-Fi 6, Bluetooth - onboard graphics (CPU required) - HD Audio (8-channel) is available through DCS Components. It sits within the Motherboards category.

Key product details

  • Motherboard
  • micro ATX
  • Socket AM4
  • AMD B550 Chipset
  • USB 3.2 Gen 1, USB 3.2 Gen 2

Procurement and setup support

Available for quote while live availability remains in stock. DCS can help with procurement, compatibility checks, configuration planning, installation support and long-term managed IT lifecycle support.

EAN: 4711081309741

Specifications

Processor
Processor manufacturerAMD
Processor socketSocket AM4
Compatible processor seriesAMD Ryzen 3000 Series, AMD Ryzen 5000 Series
Supported processor socketsSocket AM4
Memory
Supported memory typesDDR4-SDRAM
Number of memory slots4
Memory slots typeDIMM
Memory channelsDual-channel
ECC сompatibilityECC
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
Storage controllers
Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2, PCI Express 3.0, PCI Express 4.0, SATA III
Number of storage drives supported6
RAID supportYes
RAID levels0, 1, 10
Graphics
Parallel processing technology supportNot supported
On-board graphics cardNo
Internal I/O
USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors1
Number of SATA III connectors4
S/PDIF out connectorYes
Front panel audio connectorYes
ATX Power connector (24-pin)Yes
Number of EATX power connectors1
CPU fan connectorYes
Number of chassis fan connectors2
EPS power connector (8-pin)Yes
Number of COM connectors1
TPM connectorYes
12V power connectorYes
RGB LED pin headerYes
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
Ethernet LAN (RJ-45) ports1
PS/2 ports quantity1
VGA (D-Sub) ports quantity1
HDMI ports quantity1
HDMI version2.1
DVI-D ports quantity1
Headphone outputs1
Microphone inYes
WiFi-AP antenna jack1
USB connector typeUSB Type-A
Network
Ethernet LANYes
Ethernet interface typeGigabit Ethernet
LAN controllerRealtek RTL8111H
Wake-on-LAN readyYes
Wi-FiYes
Top Wi-Fi standardWi-Fi 6 (802.11ax)
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
BluetoothYes
Bluetooth version5.2
Features
Motherboard chipsetAMD B550
Audio output channels7.1 channels
Product colourMulticolour
Component forPC
Motherboard form factormicro ATX
Motherboard chipset familyAMD
Windows operating systems supportedWindows 10 x64, Windows 11 x64
Expansion slots
PCI Express x1 (Gen 3.x) slots2
PCI Express x16 (Gen 3.x) slots1
PCI Express x16 (Gen 4.x) slots1
Number of M.2 (M) slots2
BIOS
BIOS typeUEFI AMI
BIOS memory size256 Mbit
Clear CMOS jumperYes
Logistics data
Harmonized System (HS) code84733020
Weight & dimensions
Width244 mm
Depth244 mm
Height67 mm
Packaging content
Cables includedSATA
Drivers includedYes
Other features
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
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