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ASUS PRIME B860-PLUS-CSM Intel ATX Motherboard
MotherboardsAsus

ASUS PRIME B860-PLUS-CSM Intel ATX Motherboard

MPN: 90MB1KA0-M0EAYC

Key specifications

SocketLGA 1851
Form factorATX
ChipsetIntel B860
Memory typeDDR5
M.2 slots3
Max Memory192 GB
Best indexed price
£143.47GBP
Indexed 20 Oct 2026 — verify at retailer. How we get prices

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Scan£143.47
Indexed 20 Oct 2026New
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eBay UK£159.00
Indexed 16 Mar 2026New · seller sebeam
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Full Specifications31 fields

Additional Information

Model Number
90MB1KA0-M0EAYC
Gtin
4711387814857

Additional Specifications

Water Cooled
No
Cooling
Passive Heatsinks
Qpi Speed
N/A
Dimensions
305 x 244 x 49 (L x W x H) mm
Note
-

Core Specifications

Edition
B860-PLUS-CSM
Form Factor
ATX
Socket
1851
Chipset
Intel B860

External Connectivity

Network Interface Type
Wired 2.5 Gigabit LAN (10/100/1000/2500)
Network Chip Modules
1 x Realtek (2.5GbE LAN)
Rear I O Connectors
1 x 10/100/1000/2500 (LAN) 3 x Audio I/O 1 x DisplayPort 1 x HDMI 3 x USB 2 x USB 2.0 1 x USB Type-C

Graphics Support

Primary Gpu Interface
PCIe 5.0 (x16)
Nvidia Sli Support
N/A
Amd Crossfire Support
N/A
Integrated Graphics
-
On Board Graphics Connectors
None

Internal Connectivity

Expansion Slots
1 x M.2, 22-42/60/80, PCIe Gen4x4 1 x M.2, 22-42/60/80, PCIe Gen5 x4 1 x M.2, 22-42/ 60/80/110, PCIe Gen4x4 1 x PCIe 4.0 x16 (x4 Bandwidth) 1 x PCIe 5.0 x16
Sata Support
N/A
Raid Support Via
SATA
Storage Mode Support
RAID 0 RAID 1 RAID 10 RAID 5
Internal I O
1 x 24-pin (Power) 1 x 4-pin AIO_PUMP Connector 4 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) 3 x Addressable Gen 2 Header 1 x Aura RGB Header 1 x Chassis Intrusion connector 1 x Clear CMOS Header 1 x Front Panel Audio Header 1 x S/PDIF-Out Header 4 x SATA III - 6Gb/s 1 x Serial (COM) Header 1 x System panel connector 1 x TPM (SPI_TPM) header 2 x USB 2.0 Header 1 x USB4 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 - 8200(OC)
Max Memory Capacity
192GB

General

Audio
7.1 Channel HD Audio