ASUS Prime B860M-A-CSM Micro-ATX Motherboard, LGA 1851, Intel B860, DDR5

SKU: 90MB1K00-M0EAYC

Original price was: £129.99.Current price is: £121.99. ex VAT

In stock

In stock

  • Free UK delivery on orders over £200
Order now, get it by Tue 6 Oct
  • DPD DPD tracked delivery
  • Klarna Buy now, pay later with Klarna
  • PayPal Pay in 3 instalments with PayPal

About This Item

  • Intel LGA 1851 socket supporting Intel Core Ultra Processors Series 2
  • DDR5-SDRAM memory support up to 256 GB across four DIMM slots
  • Micro-ATX form factor with Intel B860 chipset architecture
  • Comprehensive storage options including two M.2 slots and four SATA III connectors
  • Integrated 2.5 Gigabit Ethernet LAN alongside multiple USB 3.2 and USB 2.0 ports
  • Realtek 7.1-channel audio output with S/PDIF out connectivity
Description

ASUS Prime B860M-A-CSM – Advanced Intel Core Ultra Integration

When building a compact workstation or daily driver, our team recommends the ASUS Prime B860M-A-CSM Micro-ATX Motherboard, LGA 1851, Intel B860, DDR5 for demanding environments. This platform suits professionals and enthusiasts who require reliable performance for modern productivity applications. Because it supports advanced Intel processors, you gain immediate access to high-efficiency computing and intelligent tuning capabilities.

Essential technical metrics

Metric Spec.
Socket LGA 1851
Chipset Intel B860
Form Factor micro ATX
Memory Support DDR5-SDRAM (up to 256 GB)
Expansion Slots PCI Express 4.0
Network 2.5 Gigabit Ethernet

Advanced memory routing for DDR5 speeds

We find that high-speed memory dramatically improves system responsiveness. This board supports high-capacity DDR5 modules across four dual-channel slots. Because trace layouts are carefully shielded, you experience stable signal integrity even when running demanding memory profiles.

Comprehensive cooling architecture

System stability relies heavily on thermal management. We appreciate the onboard VRM heatsinks and multiple fan headers included on this layout. Because you can monitor temperatures via intuitive software, your hardware remains cool during sustained workloads.

Robust connectivity for modern peripherals

Data transfer speeds dictate modern workflow efficiency. You gain multiple USB ports, including high-bandwidth Type-C connections for external storage. Also, the integrated 2.5 Gigabit Ethernet port ensures fast wired network connectivity without bottlenecks.

Before you order

  • Confirm your processor belongs to the compatible Intel Core Ultra (Series 2) family.
  • Confirm your chassis accommodates a standard micro ATX form factor.
  • Confirm your memory modules are DDR5-SDRAM type.

Frequently Asked Questions

Q: Which socket does this motherboard use?

A: It uses the LGA 1851 socket for compatible processors.

Q: What memory type is supported?

A: It supports DDR5-SDRAM memory modules.

Q: Does this model include built-in Wi-Fi?

A: No, wireless networking is not included.

Q: What form factor is the layout?

A: It follows the micro ATX standard.

Q: How many M.2 slots are available?

A: It features two M.2 M slots for storage drives.

Our verdict

If you need a reliable micro ATX foundation for a modern Intel build, we consider this model a sensible choice. It balances everyday stability with professional connectivity features.

Specifications
Internal I/O
Number of M.2 (M) slots2
Thunderbolt headers1
USB 3.2 Gen 2 (3.1 Gen 2) connectors1
12V power connectorYes
Supported storage drive interfacesM.2, SATA III
USB 2.0 connectors1
USB 3.2 Gen 1 (3.1 Gen 1) connectors1
TPM connectorYes
S/PDIF out connectorYes
Number of SATA III connectors4
Number of COM connectors1
Number of chassis fan connectors3
Front panel audio connectorYes
EPS power connector (8-pin)Yes
CPU fan connectorYes
Chassis intrusion connectorYes
ATX Power connector (24-pin)Yes
Number of CPU fan connectors1
Technical details
Motherboard chipset familyIntel
Motherboard chipsetIntel B860
Parallel processing technology supportNot supported
Motherboard form factormicro ATX
Component forPC
Audio
Audio output channels7.1 channels
Performance
Number of HDDs supported4
Supported storage drive typesHDD & SSD
Windows operating systems supportedWindows 10 x64, Windows 11
Motherboard chipset familyIntel
Motherboard chipsetIntel B860
RAID levels0, 1, 5, 10
Audio output channels7.1 channels
Motherboard form factormicro ATX
Component forPC
Processor
Processor manufacturerIntel
Compatible processor seriesIntel Core Ultra (Series 2)
Processor socketLGA 1851 (Socket V1)
Memory
Number of memory slots4
Memory slots typeDIMM
Supported memory typesDDR5-SDRAM
Memory channelsDual-channel
Maximum internal memory256 GB
Unbuffered memoryYes
Supported memory clock speed (max)8666 MHz
ECC сompatibilityNon-ECC
Storage controllers
Number of HDDs supported4
Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2, SATA III
RAID levels0, 1, 5, 10
Number of storage drives supported6
RAID supportYes
Graphics
Parallel processing technology supportNot supported
Rear panel I/O ports
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 2.0 ports quantity4
Microphone inYes
HDMI ports quantity1
Ethernet LAN (RJ-45) ports1
DisplayPorts quantity2
USB 3.2 Gen 2x2 Type-C ports quantity1
Line-inYes
Network
Ethernet LANYes
Wi-FiNo
Ethernet interface type2.5 Gigabit Ethernet
Top Wi-Fi standardNot available
Features
Windows operating systems supportedWindows 10 x64, Windows 11
Motherboard chipset familyIntel
Motherboard chipsetIntel B860
Audio output channels7.1 channels
Motherboard form factormicro ATX
Component forPC
Product colourMulticolour
Expansion slots
Number of M.2 (M) slots2
PCI Express x1 (Gen 4.x) slots1
PCI Express x16 (Gen 4.x) slots1
BIOS
BIOS typeUEFI AMI
BIOS memory size256 Mbit
Packaging data
Package width275 mm
Package depth275 mm
Package height67.5 mm
Package weight1.36 kg
Software
Windows operating systems supportedWindows 10 x64, Windows 11
Weight & dimensions
Height50 mm
Package width275 mm
Package depth275 mm
Package height67.5 mm
Package weight1.36 kg
Weight815 g
Width244 mm
Depth244 mm
Other features
Height50 mm
Package width275 mm
Package depth275 mm
Package height67.5 mm
Package weight1.36 kg
Weight815 g
PCI Express x1 (Gen 4.x) slots1
Identifiers
Distributor SKUsMBD-90MB1K00-M0EAYC, 11508280, 126206, PRIME B860M-A-CSM, 544141, STD10219416, 2110374, CL90MB1K00-M0EAYC

Reviews

0 reviews
0
0
0
0
0

There are no reviews yet.

Write a review

Your email is never published.

You have to be logged in to be able to add photos to your review.