Motherboard - ASUS PRIME B860M-K Intel B860 Micro ATX LGA 1851
Product reference: 14-4711387808498
The ASUS PRIME B860M-K is a micro ATX motherboard compatible with Intel Core Ultra processors, supporting up to 128GB of DDR5 memory. It features dual-channel memory slots, 2.5 Gigabit Ethernet and multiple USB ports, as well as RAID support for storage configurations.

Motherboard - ASUS PRIME B860M-K Intel B860 Micro ATX LGA 1851

Product reference: 14-4711387808498
The ASUS PRIME B860M-K is a micro ATX motherboard compatible with Intel Core Ultra processors, supporting up to 128GB of DDR5 memory. It features dual-channel memory slots, 2.5 Gigabit Ethernet and multiple USB ports, as well as RAID support for storage configurations.
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ASUS PRIME B860M-K Intel B860 Micro ATX LGA 1851


The ASUS PRIME B860M-K is a micro ATX motherboard compatible with Intel Core Ultra processors and supporting DDR5 memory up to 128GB. It features dual-channel memory slots, 2.5 Gigabit Ethernet and multiple USB ports, as well as RAID support for storage configurations.


  • Compatible with Intel Core Ultra (2 series) processors using LGA 1851 (Socket V1).
  • Micro ATX form factor with Intel B860 chipset, supporting dual-channel DDR5-SDRAM memory up to 128 GB.
  • Equipped with 4 SATA III connectors and supports RAID levels 0, 1, 5 and 10 to provide flexible storage options.
  • Includes multiple USB ports (2 x USB 2.0, 2 x USB 3.2 Gen 1) and HDMI/DisplayPort for versatile connectivity.
  • Supports Windows 10 x64 and Windows 11 operating systems, ensuring compatibility with modern software.
  • Offers 7.1 audio output channels to ensure immersive sound.
  • TPM connector included for increased security.
  • Supports unbuffered memory and is not ECC compatible.
  • Dimensions: 222 mm depth and 244 mm width.

Processor

Compatible processor series Intel Core Ultra (2 series)
Processor manufacturer Intel
Processor connector LGA 1851 (Socket V1)
Supported processor connections LGA 1851

Graphics

Support for parallel processing technology Not supported

Features

Component PC
Motherboard chip Intel B860
Supported Windows operating systems Windows 10 x64, Windows 11
Audio output channels 7.1 channels
Motherboard format micro ATX

Memory

Unbuffered memory Yes
ECC compatibility Non-ECC
Supported memory types DDR5-SDRAM
Memory slot type DIMMs
Memory channels Dual channel
Number of memory slots 2
Maximum internal memory 128GB

Weight and dimensions

Depth 222 mm
Width 244 mm

Network

Ethernet LAN Yes
Ethernet interface type 2.5 Gigabit Ethernet
Wi-Fi No

Internal I/O

Number of USB 2.0 ports 2
Number of USB 3.2 Gen 1 ports 2
Number of SATA III connectors 4
TPM connector Yes

BIOS

BIOS type UEFI AMI
BIOS memory size 256 Mbit

Storage controls

Number of supported storage devices 6
Supported storage device interfaces M.2, SATA III
RAID levels 10, 0, 5, 1
Supported storage device types HDD SSD
RAID support Yes
Number of HDDs supported 4

Rear panel I/O ports

Number of USB 3.2 Gen 2 Type-A ports 1
Number of DisplayPort ports 1
Number of HDMI ports 1
Number of Ethernet LAN (RJ-45) ports 1
Number of USB 2.0 ports 2
Number of USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports 2
Number of PS/2 ports 1
Number of USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports 1

Additional sockets

Number of PCI Express x1 slots 2
Number of M.2 slots 2
Number of PCI Express x16 slots 1
2nd M.2 highest PCI Express generation 4.0
2nd M.2 maximum key size 2280
1st M.2 maximum key size 2280
1st M.2 highest PCI Express generation 5.0
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