ASUS PRIME B860-PLUS-CSM ATX Motherboard | LGA1851 | 4x DDR5 Slots

Sku: 90MB1KA0-M0EAYC
Availability: Out of Stock
Brand: ASUS
Category: Motherboards
Regular price £134.66
Regular price Sale Price £134.66

KEY FEATURES

  • Intel LGA 1851 (Socket V1) Intel Core Ultra (Series 2)
  • PC ATX Intel B860 7.1 channels
  • DDR5-SDRAM 4 DIMM Maximum internal memory: 256 GB
  • HDD & SSD M.2, SATA III RAID support Number of storage drives supported: 7
  • BIOS type: UEFI AMI 256 Mbit
  • 2.5 Gigabit Ethernet
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ASUS PRIME B860-PLUS-CSM ATX Motherboard | LGA1851 | 4x DDR5 Slots

ASUS PRIME B860-PLUS-CSM ATX Motherboard | LGA1851 | 4x DDR5 Slots

Regular price £134.66
Regular price Sale Price £134.66
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Description Specification Review FAQ

Description

The ASUS PRIME B860-PLUS-CSM delivers solid fundamentals for Intel Core Ultra Series 2 builds in a full ATX package. This Intel B860 chipset motherboard targets mainstream users who want reliable performance without premium pricing, making it well-suited for productivity workstations, general computing, and modest gaming systems. The LGA1851 socket supports Intel's latest Core Ultra processors, while the full-size ATX form factor provides plenty of room for expansion and better cooling airflow compared to smaller boards.

Memory support stands out with four DDR5 DIMM slots accommodating up to 256GB of system RAM - substantially more than most users will need, but valuable for content creators working with large datasets or running multiple virtual machines. DDR5 speeds reach up to 8666MHz with proper memory kits, delivering the bandwidth modern processors demand. The single PCIe x16 Gen 4.0 slot handles current graphics cards effectively, while 2.5Gigabit Ethernet provides faster network connectivity than standard gigabit connections.

Setup stays straightforward with UEFI AMI BIOS that supports XMP memory profiles for easy DDR5 overclocking. The board includes practical touches like an RGB LED pin header for lighting customization and dedicated CPU fan connector for proper cooling management. ASUS typically includes an I/O shield, SATA cables, and installation guide in the box, covering the basics needed to get your system running. The 256MB Flash ROM provides ample space for BIOS features and future updates.

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Shipping Information

  • Next Business Day:  £6.99

  • 2 days Delivery: £4.99

  • 3- 5 Days Shipping: £3.99

  • Orders Over £99.00: Free Standard Delivery
Processor
Processor manufacturer Intel
Processor socket LGA 1851 (Socket V1)
Compatible processor series Intel Core Ultra (Series 2)
Memory
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
Storage controllers
Supported storage drive types HDD & SSD
Supported storage drive interfaces M.2, SATA III
Number of storage drives supported 7
Number of HDDs supported 4
RAID support Yes
RAID levels 0, 1, 5, 10
Graphics
Parallel processing technology support Not supported
Internal I/O
USB 2.0 connectors 2
USB 3.2 Gen 1 (3.1 Gen 1) connectors 2
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 4
Chassis intrusion connector Yes
EPS power connector (8-pin) Yes
12V power connector Yes
Thunderbolt headers 1
TPM connector Yes
Number of COM connectors 1
RGB LED pin header Yes
Rear panel I/O ports
USB 2.0 ports quantity 2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity 2
USB 3.2 Gen 2x2 Type-C ports quantity 1
Ethernet LAN (RJ-45) ports 1
HDMI ports quantity 1
DisplayPorts quantity 1
Line-in Yes
Microphone in Yes
Network
Ethernet LAN Yes
Ethernet interface type 2.5 Gigabit Ethernet
Wi-Fi No
Top Wi-Fi standard Not available
Features
Component for PC
Motherboard form factor ATX
Motherboard chipset family Intel
Motherboard chipset Intel B860
Audio output channels 7.1 channels
Product colour Multicolour
Windows operating systems supported Windows 10 x64, Windows 11
Expansion slots
PCI Express x16 (Gen 4.x) slots 1
Number of M.2 (M) slots 3
BIOS
BIOS type UEFI AMI
BIOS memory size 256 Mbit
Packaging data
Package width 377 mm
Package depth 372 mm
Package height 302 mm
Package weight 1.56 kg
Weight & dimensions
Width 305 mm
Depth 244 mm
Height 49 mm
Other features
Weight 896 g

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