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ASRock AMD B650 PG Lightning ATX Motherboard
MotherboardsASRock

ASRock AMD B650 PG Lightning ATX Motherboard

MPN: 90-MXBK20-A0UAYZ

Key specifications

SocketAM5
Form factorATX
ChipsetAMD B650
Memory typeDDR5
M.2 slots4
Max Memory128 GB
Best indexed price
£108.98GBP
Indexed 16 Mar 2026 — verify at retailer. How we get prices

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eBay UK£108.98
Indexed 16 Mar 2026New · seller park_house_computers
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Full Specifications31 fields

Additional Information

Model Number
90-MXBK20-A0UAYZ
Gtin
4710483940910

Additional Specifications

Water Cooled
No
Cooling
Passive Heatsinks
Qpi Speed
N/A
Dimensions
305 x 244 mm
Note
-

Core Specifications

Edition
B650 PG Lightning
Form Factor
ATX
Socket
AM5
Chipset
AMD B650

External Connectivity

Network Interface Type
Wired 2.5 Gigabit LAN
Network Chip Modules
1 x 2.5 Gigabit LAN
Rear I O Connectors
1 x BIOS Flashback Button 1 x Front Speaker Out 1 x HDMI 1 x Line In 1 x Mic-In 1 x RJ-45 4 x USB 2.0 7 x USB 3.2 Gen1 Type-A 1 x USB 3.2 Gen2x2 Type-C

Graphics Support

Primary Gpu Interface
PCIe 4.0 (x16)
Nvidia Sli Support
N/A
Amd Crossfire Support
N/A
Integrated Graphics
Requires Processor Graphics or Discrete GPU
On Board Graphics Connectors
HDMI

Internal Connectivity

Expansion Slots
1 x M.2, 22-80, PCIe Gen4x2 1 x M.2, 22-80, PCIe Gen4x4 1 x M.2, 22-80, PCIe Gen5x4 1 x M.2, A-E Key, 22-30, PCIe, for WiFi+BT Card 1 x PCIe 4.0 x16 2 x PCIe 4.0 x16 (x1 Bandwidth) 1 x PCIe 4.0 x16 (x2 Bandwidth) 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 Header 1 x TPM (SPI_TPM) header 2 x USB 2.0 Header 1 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
Non-ECC
Memory Type R U
UDIMM (Unbuffered)
Memory Speed Mhz
DDR5 - 6400+(OC)
Max Memory Capacity
128GB (4x32GB)

General

Audio
7.1 Channel HD Audio