ASUS

ASUS Prime B860M-K Micro-ATX Motherboard, LGA1851, DDR5

  • Processor manufacturerIntel
  • Maximum internal memory128 GB
  • Number of HDDs supported4
  • RAID levels0/1/10/5
  • Audio output channels7.1
  • Windows operating systems supportedWindows 10 x64/Windows 11

The ASUS Prime B860M-K is a Micro-ATX motherboard built around the Intel B860 chipset and LGA1851 socket , designed to support Intel Core Ultra Series 2 processors. It gives DIY builders a compact, capable foundation without sacrificing modern connectivity or expandability.

Description

Compact Build, Modern Feature Set

  • LGA1851 socket with Intel B860 chipset — full compatibility with Intel Core Ultra Series 2 CPUs
  • DDR5 memory support across 2 slots for fast, efficient system memory
  • Two M.2 slots for NVMe SSD storage without occupying PCIe lanes
  • PCIe 4.0 x16 slot plus two PCIe 4.0 x1 slots for GPU and peripheral expansion
  • Integrated display outputs — HDMI and DisplayPort for direct monitor connectivity

This board suits home office builds, budget gaming rigs, and compact workstations where space is limited but up-to-date platform support matters. A practical pick for anyone stepping into the Intel Core Ultra ecosystem on a Micro-ATX footprint.

Specifications

General

BrandASUS
BIOS typeUEFI AMI
Component forPC
BIOS memory size256
Unbuffered memoryYes
ECC сompatibilityNon-ECC
RGB LED pin headerYes
Number of memory slots2
Motherboard form factormicro ATX
Number of M.2 (M) slots2
1st M.2 largest key size2280
2nd M.2 largest key size2280
PCI Express x1 (Gen 4.x) slots2
PCI Express x16 (Gen 4.x) slots1
1st M.2 highest PCI Express generation5.0
2nd M.2 highest PCI Express generation4.0
EAN4711387808498

Processor

Processor manufacturerIntel
Motherboard chipsetIntel B860
Processor socketLGA 1851 (Socket V1)
CPU fan connectorYes
Motherboard chipset familyIntel
Compatible processor seriesIntel Core Ultra (Series 2)
Supported processor socketsLGA 1851

Memory

Maximum internal memory128 GB
Memory channelsDual-channel
Memory slots typeDIMM

Storage

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

Audio

Audio output channels7.1
Front panel audio connectorYes

Ports

HDMI ports quantity1
USB 2.0 ports quantity2
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
Ethernet LANYes
Ethernet LAN (RJ-45) ports1
TPM connectorYes
USB 2.0 connectors2
12V power connectorYes
PS/2 ports quantity1
S/PDIF out connectorYes
DisplayPorts quantity1
Front panel connectorYes
Ethernet interface type2.5 Gigabit Ethernet
Number of COM connectors1
ATX Power connector (24-pin)Yes
Number of SATA III connectors4
Number of chassis fan connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors2

Connectivity

Wi-FiNo

Software & security

Windows operating systems supportedWindows 10 x64/Windows 11

Performance & capacities

RAID levels0/1/10/5

Features

Cables includedSATA
RAID supportYes
Supported memory typesDDR5-SDRAM
Parallel processing technology supportNot supported

Dimensions & weight

Width244 mm
Depth222 mm

Reviews

No reviews yet

Bought this product? Be the first to share your experience.

Write a review

Only verified buyers can leave reviews.