ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard

ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard

Brand Asus

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£144.99

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You save £111.71 (43%)

5 offers at 5 retailers

Listed since 8 April 2026

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Description

PRIME B860M-A-CSMASUS PRIME series motherboards are expertly engineered to unleash the full potential of the latest Intel® Core™ Ultra Processors (Series 2). Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the PRIME B860M-A-CSM motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.

Specifications

Processor manufacturer Intel
Processor socket LGA 1851 (Socket V1)
Compatible processor series Intel Core Ultra (Series 2)
Supported memory types DDR5-SDRAM
Number of memory slots 4
Memory slots type DIMM
Memory channels Dual-channel
ECC сompatibility Non-ECC
Supported memory clock speed (max) 8666 MHz
Maximum internal memory 256 GB
Unbuffered memory Yes
Supported storage drive types HDD & SSD
Supported storage drive interfaces M.2, SATA III
Number of HDDs supported 4
Number of storage drives supported 6
RAID support Yes
RAID levels 0, 1, 5, 10
Parallel processing technology support Not supported
USB 2.0 connectors 1
USB 3.2 Gen 1 (3.1 Gen 1) connectors 1
USB 3.2 Gen 2 (3.1 Gen 2) connectors 1
Number of SATA III connectors 4
S/PDIF out connector Yes
Front panel audio connector Yes
ATX Power connector (24-pin) Yes
CPU fan connector Yes
Number of CPU fan connectors 1
Number of chassis fan connectors 3
Chassis intrusion connector Yes
EPS power connector (8-pin) Yes
Number of COM connectors 1
TPM connector Yes
Thunderbolt headers 1
12V power connector Yes
USB 2.0 ports quantity 4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity 1
USB 3.2 Gen 2x2 Type-C ports quantity 1
Ethernet LAN (RJ-45) ports 1
HDMI ports quantity 1
DisplayPorts quantity 2
Line-in Yes
Microphone in Yes
Ethernet LAN Yes
Ethernet interface type 2.5 Gigabit Ethernet
Wi-Fi No
Motherboard chipset Intel B860
Audio output channels 7.1 channels
Product colour Multicolour
Component for PC
Motherboard form factor micro ATX
Motherboard chipset family Intel
Windows operating systems supported Windows 10 x64, Windows 11
PCI Express x1 (Gen 4.x) slots 1
PCI Express x16 (Gen 4.x) slots 1
BIOS type UEFI AMI
BIOS memory size 256 Mbit
Package width 275 mm
Package depth 275 mm
Package height 67.5 mm
Package weight 1.36 kg
Width 244 mm
Depth 244 mm
Height 50 mm
Weight 815 g

Full specifications

Marque Asus
Référence fabricant 90mb1k00m0eayc
EAN 4711387819869

Why choose the ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard in 2026?

The ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard is a well-regarded reference in the Périphériques informatiques category. In 2026, it remains one of the most relevant choices for those seeking to balance quality and budget. The brand Asus has a strong reputation among consumers, reflected in its consistent availability across many partner retailers. Thanks to our comparison tool, you can see all available offers at a glance and go directly to the retailer of your choice to complete your purchase with confidence.

Technical analysis of the ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard

Among the main strengths of the ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard, the most notable are its competitive pricing from £149.94 and the recognition of the Asus brand. Buyers who have already used this type of product in the Périphériques informatiques category generally highlight the effectiveness of the core functions and ease of maintenance. It is a product that suits both first-time buyers and those replacing existing equipment, with a short learning curve and stable performance over time.

What the tech specs reveal

The ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard spec sheet details the specifications that make a difference in daily use. For a savvy buyer, this data allows objective comparison with other products in the Périphériques informatiques category. Asus publishes precise specifications that make comparison easier and help you make an informed purchase decision. Consult the technical specifications table on this page for full details. The ASUS ROG AZOTH Extreme Compact Mechanical RGB Wireless Gaming Keyboard from the same brand may also interest you for a direct comparison.

In practice day to day

In daily use, the ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard is designed to fit easily into the regular habits of Périphériques informatiques users. Asus has optimised this model for regular use, with accessible features and simplified maintenance.

Market price ranges in 2026

RangeIndicative price
Entry-levelUnder 2250 £
Mid-range2250 £ to 5250 £
High-endOver 5250 £

Before buying the ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard, remember to check the total price including delivery costs. On Compiral, sorting by total price lets you immediately identify the best offer among all listed retailers. Comparing return conditions and the warranty period offered by each retailer is also a good habit before finalising your order in the Périphériques informatiques category.

Frequently asked questions about ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard

Is the ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard in stock?

Stock availability for the ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Périphériques informatiques category.

Where can I buy the ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard at the best price?

To buy the ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard at the best price, compare all available offers in our table at the top of this page. The 5 offers listed include delivery costs to give you the true total cost. Sort by ascending price and filter by free delivery to quickly identify the best deal among our verified partner retailers.

How does the ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard compare to competitors in the Périphériques informatiques category?

In the Périphériques informatiques category, the ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.

Is the ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard suitable for beginners?

Yes, the ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard is generally appreciated by both beginners and regular users of the Périphériques informatiques category. It is quick to set up and Asus usually provides clear documentation. If you are new to this product category, consult the spec sheet on this page to identify the key criteria to check before making your choice.

Is there a refurbished version of the ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard?

Refurbished versions of the ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.

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