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ShopMotherboardsASUS PRIME B860M-A-CSM Intel B860 LGA 1851 (Socket V1) micro ATX
ASUS PRIME B860M-A-CSM Intel B860 LGA 1851 (Socket V1) micro ATX
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ASUS PRIME B860M-A-CSM Intel B860 LGA 1851 (Socket V1) micro ATX

£127.68

£153.22 inc. VAT

Out of Stock(0)MPN: 90MB1K00-M0EAYC
🚚 Next-day delivery £4.95
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Key Features

ASUS PRIME B860-PLUS-CSM
Motherboard
ATX
LGA1851 Socket
B860 Chipset
USB-C 3.2 Gen 2x2, USB 3.2 Gen 2, USB 3.2 Gen 1, USB-C 3.2 Gen 1
2.5 Gigabit LAN
onboard graphics (CPU required)

Product Overview

AI-generated summary

At £128.69 ex-VAT, the ASUS PRIME B860M-A-CSM is the kind of solid “get the job done” micro-ATX board I’d actually consider for office PCs, light server tasks, or standard business desktops where you don’t want to overpay for features you’ll never touch. ASUS PRIME boards generally bring decent BIOS maturity and overall stability, and micro-ATX is a nice sweet spot for cost-effective builds where space and airflow still matter. If you’re standardising a fleet of machines, this is the sort of mainstream platform that’s predictable to deploy and keep running.

That said, I wouldn’t buy it if your priority is heavy expansion or lots of add-in cards—micro-ATX boards naturally run out of room sooner, and PRIME lines aren’t usually the most generous on “nice-to-have” extras compared with higher-tier ASUS or pricier workstation-focused options. Also, if you’re building something that needs lots of storage/throughput or frequent component swaps, you’ll want to double-check your expansion and connectivity needs up front so you don’t end up constrained later. Overall: good value for straightforward business builds; not the one to choose if you’re planning a heavily customised, upgrade-heavy setup.

Specifications

Processor

Processor manufacturerIntel
Processor socketLGA 1851 (Socket V1)
Compatible processor seriesIntel Core Ultra (Series 2)

Memory

Supported memory typesDDR5-SDRAM
Number of memory slots4
Memory slots typeDIMM
Memory channelsDual-channel
ECC сompatibilitynon-ECC

Storage controllers

Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2,SATA III
Number of HDDs supported4
Number of storage drives supported6
RAID supportY

Graphics

Parallel processing technology supportNot supported

Internal I/O

USB 2.0 connectors1
USB 3.2 Gen 1 (3.1 Gen 1) connectors1
USB 3.2 Gen 2 (3.1 Gen 2) connectors1
Number of SATA III connectors4
S/PDIF out connectorY

Rear panel I/O ports

USB 2.0 ports quantity4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity1
USB 3.2 Gen 2x2 Type-C ports quantity1
Ethernet LAN (RJ-45) ports1

Network

Ethernet LANY
Ethernet interface type2.5 Gigabit Ethernet
Wi-FiN

Features

Motherboard chipsetIntel B860
Audio output channels7.1 channels
Product colourMulticolour
Component forPC
Motherboard form factorMicro ATX

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