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.
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SKU
90MB1KA0-M0EAYC
EAN
4711387814857
Specification
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
Manufacturer
ASUS
Availability
Y
Meta Description
Intel B860, LGA1851, 4 x DIMM slots, max. 256GB, DDR5, 2.5Gb Ethernet, 256Mb Flash ROM, UEFI AMI BIOS, ATX,