Intel B860, LGA1851, 4 x DIMM slots, max. 256GB, DDR5, 2.5Gb Ethernet, 256Mb Flash ROM, UEFI AMI BIOS, ATX,

Description

Prime B860-PLUS-CSM
ASUS 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 B860-PLUS-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

Internal I/O
Number of M.2 (M) slots 3
Thunderbolt headers 1
USB 3.2 Gen 2 (3.1 Gen 2) connectors 0
12V power connector Yes
Supported storage drive interfaces M.2, SATA III
USB 2.0 connectors 2
USB 3.2 Gen 1 (3.1 Gen 1) connectors 2
TPM connector Yes
S/PDIF out connector Yes
Number of SATA III connectors 4
Number of COM connectors 1
Number of chassis fan connectors 4
Front panel audio connector Yes
EPS power connector (8-pin) Yes
CPU fan connector Yes
Chassis intrusion connector Yes
ATX Power connector (24-pin) Yes
RGB LED pin header Yes
Number of CPU fan connectors 1
Technical details
Motherboard chipset family Intel
Motherboard chipset Intel B860
Parallel processing technology support Not supported
Motherboard form factor ATX
Component for PC
Audio
Audio output channels 7.1 channels
Performance
Number of HDDs supported 4
Supported storage drive types HDD & SSD
Windows operating systems supported Windows 10 x64, Windows 11
Motherboard chipset family Intel
Motherboard chipset Intel B860
RAID levels 0, 1, 5, 10
Audio output channels 7.1 channels
Motherboard form factor ATX
Component for PC
Processor
Processor manufacturer Intel
Compatible processor series Intel Core Ultra (Series 2)
Processor socket LGA 1851 (Socket V1)
Memory
Number of memory slots 4
Memory slots type DIMM
Supported memory types DDR5-SDRAM
Memory channels Dual-channel
Maximum internal memory 256 GB
Unbuffered memory Yes
Supported memory clock speed (max) 8666 MHz
ECC сompatibility Non-ECC
Storage controllers
Number of HDDs supported 4
Supported storage drive types HDD & SSD
Supported storage drive interfaces M.2, SATA III
RAID levels 0, 1, 5, 10
Number of storage drives supported 7
RAID support Yes
Graphics
Parallel processing technology support Not supported
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 1
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity 0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity 2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity 0
USB 2.0 ports quantity 2
VGA (D-Sub) ports quantity 0
Microphone in Yes
HDMI ports quantity 1
Ethernet LAN (RJ-45) ports 1
DVI-D ports quantity 0
DisplayPorts quantity 1
USB 3.2 Gen 2x2 Type-C ports quantity 1
Line-in Yes
Network
Ethernet LAN Yes
Wi-Fi No
Ethernet interface type 2.5 Gigabit Ethernet
Features
Windows operating systems supported Windows 10 x64, Windows 11
Motherboard chipset family Intel
Motherboard chipset Intel B860
Audio output channels 7.1 channels
Motherboard form factor ATX
Component for PC
Product colour Multicolour
Expansion slots
Number of M.2 (M) slots 3
PCI Express x16 (Gen 4.x) slots 1
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
Software
Windows operating systems supported Windows 10 x64, Windows 11
Weight & dimensions
Height 49 mm
Package width 377 mm
Package depth 372 mm
Package height 302 mm
Package weight 1.56 kg
Weight 896 g
Width 305 mm
Depth 244 mm
Other features
Height 49 mm
Package width 377 mm
Package depth 372 mm
Package height 302 mm
Package weight 1.56 kg
Weight 896 g
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