MotherboardsAsus
ASUS AMD B550 PRIME B550M-A Wi-Fi II Micro-ATX Motherboard
MPN: 90MB19X0-M0EAY0
Key specifications
SocketAM4
Form factormATX
ChipsetAMD B550
Memory typeDDR4
M.2 slots2
Max Memory128 GB
Full Specifications31 fields
Additional Information
Model Number
90MB19X0-M0EAY0
Gtin
4711081309741
Additional Specifications
Water Cooled
No
Cooling
Passive Heatsinks
Qpi Speed
N/A
Dimensions
244 x 244 mm
Note
-
Core Specifications
Edition
PRIME B550M-A Wi-Fi II
Form Factor
MicroATX
Socket
AM4
Chipset
AMD B550
External Connectivity
Network Interface Type
802.11ax Wi-Fi LAN
Wired Gigabit LAN (10/100/1000)
Network Chip Modules
1 x 802.11ax WiFi + BT5.2
1 x Realtek (Gigabit LAN)
1 x Realtek RTL8111H (Gigabit LAN)
Rear I O Connectors
1 x 10/100/1000 (LAN)
1 x D-Sub (VGA)
1 x DVI-D
1 x HDMI
1 x Line In
1 x Line Out
1 x Mic-In
1 x PS/2 Keyboard/Mouse Combo
4 x USB 3.2 Gen1 Type-A
2 x USB 3.2 Gen2 Type-A
2 x WiFi Antenna connectors
1 x WiFi Module
Graphics Support
Primary Gpu Interface
PCIe 4.0 (x16)
Nvidia Sli Support
Not Supported
Amd Crossfire Support
Not Supported
Integrated Graphics
Requires Processor Graphics or Discrete GPU
On Board Graphics Connectors
D-Sub (VGA)
DVI-D
HDMI 2.1
Internal Connectivity
Expansion Slots
1 x M.2, 22-42/60/80, PCIe Gen3/SATA
1 x M.2, 22-42/60/
80/110, PCIe Gen4x4/SATA
2 x PCIe 3.0 x1
1 x PCIe 4.0 x16
4 x SATA 6GB/s
Sata Support
SATA3 / M.2
Raid Support Via
SATA3 / M.2
Storage Mode Support
RAID 0
RAID 1
RAID 10
Internal I O
1 x 24-pin (Power)
2 x 4-pin CHA_FAN connector
1 x 4-pin CPU Fan Connector
1 x 4-pin CPU OPT Fan Connector
1 x 8-pin (Power)
1 x Addressable Gen 2 Header
2 x Aura RGB Header
2 x Aura RGB Strip Headers
1 x Clear CMOS Header
1 x Front Panel Audio Header
2 x M.2
4 x SATA III - 6Gb/s
1 x Serial (COM) Header
1 x speaker header
1 x System panel connector
1 x TPM (SPI_TPM) header
2 x USB 2.0 Header
1 x USB 3.2 Gen1 Header
RAM Memory Support
Memory Type
DDR4
Memory Channel
Dual (2)
Memory Type Ecc
ECC/Non-ECC
Memory Type R U
UDIMM (Unbuffered)
Memory Speed Mhz
DDR4 - 2133
DDR4 - 2400
DDR4 - 2666
DDR4 - 2800
DDR4 - 3000
DDR4 - 3200
DDR4 - 3200(OC)
DDR4 - 3466(OC)
DDR4 - 3600(OC)
DDR4 - 3866(OC)
DDR4 - 4000(OC)
DDR4 - 4400(OC)
DDR4 - 4466(OC)
DDR4 - 4600(OC)
DDR4 - 4800(OC)
DDR4 - 4866(OC)
Max Memory Capacity
128GB
General
Audio
Realtek ALC887 7.1 HD Audio
Best indexed price
£130.99GBP
Indexed 24 May 2026 — verify at retailer
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