MotherboardsASRock
ASRock AMD B650 STEEL LEGEND WIFI ATX DDR5 AM5 Motherboard
MPN: 90-MXBN90-A0UAYZ
Key specifications
SocketAM5
Form factorATX
ChipsetAMD B650
Memory typeDDR5
M.2 slots5
Max Memory192 GB
Full Specifications31 fields
Additional Information
Model Number
90-MXBN90-A0UAYZ
Gtin
4710483944598
Additional Specifications
Water Cooled
No
Cooling
Passive Heatsinks
Qpi Speed
N/A
Dimensions
305 x 244 mm
Note
-
Core Specifications
Edition
B650 Steel Legend WiFi
Form Factor
ATX
Socket
AM5
Chipset
AMD B650
External Connectivity
Network Interface Type
802.11ax Wi-Fi 6E LAN
Wired 2.5 Gigabit LAN
Network Chip Modules
1 x 802.11ax WiFi 6E + BT5.2
1 x Dragon RTL8125BG (2.5GbE LAN)
Rear I O Connectors
1 x BIOS Flashback Button
1 x DisplayPort 1.4
1 x HDMI
1 x Line Out
1 x Mic-In
1 x RJ-45
1 x S/PDIF-Out (Optical)
4 x USB 2.0
4 x USB 3.2 Gen1 Type-A
1 x USB 3.2 Gen2 Type-A
1 x USB 3.2 Gen2 Type-C
1 x USB 3.2 Gen2x2 Type-C
1 x WiFi 802.11ax 6E / Bluetooth 5.2
Graphics Support
Primary Gpu Interface
PCIe 5.0 (x16)
Nvidia Sli Support
N/A
Amd Crossfire Support
Supported
Integrated Graphics
Requires Processor Graphics or Discrete GPU
On Board Graphics Connectors
DisplayPort 1.4 (DSC)
HDMI 2.1
Internal Connectivity
Expansion Slots
1 x M.2 Key E Vertical (Supports WiFi Modules)
1 x M.2, 22-30/42/60/80, PCIe Gen4x4
1 x M.2, 22-42/60/
80, PCIe Gen4x4
1 x M.2, 22-60/80, PCIe Gen4x4
1 x M.2, 22-60/80, PCIe Gen5x4
1 x PCIe 3.0 x16 (x4 Bandwidth)
1 x PCIe 4.0 x1
1 x PCIe 5.0 x16
4 x SATA 6GB/s
Sata Support
SATA3
Raid Support Via
-
Storage Mode Support
RAID 0
RAID 1
RAID 10
Internal I O
1 x 24-pin (Power)
1 x 4-pin CPU Fan Connector
2 x 8-pin (Power)
3 x Addressable Digital RGB Header
4 x Chassis Water Pump/Fan Connector
1 x CPU Water Pump/Fan Connector
1 x Front Panel Audio Header
1 x Power LED / Speaker Header
1 x RGB LED connector
1 x TPM (SPI_TPM) header
2 x USB 2.0 Header
1 x USB 3.1 Gen2 Type-C Front Header
2 x USB 3.2 Gen1 Header
1 x USB 3.2 Gen2 Type-C Front Panel Header
RAM Memory Support
Memory Type
DDR5
Memory Channel
Dual (2)
Memory Type Ecc
ECC/Non-ECC
Memory Type R U
UDIMM (Unbuffered)
Memory Speed Mhz
DDR5 - 6400+(OC)
DDR5 - 7200(OC)
Max Memory Capacity
192GB
General
Audio
7.1 Channel HD Audio
Best indexed price
£163.40GBP
Indexed 24 May 2026 — verify at retailer
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