ASUS PRIME B860M-A-CSM Intel B860 LGA 1851 (Socket V1) micro ATX

SKU

90MB1K00-M0EAYC

£189.34 £157.78

Intel B860, 4 x DIMM slots, max. 256GB, DDR5, M.2/SATA III, 256Mb Flash ROM, UEFI AMI BIOS, micro-ATX

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Tech Specs

Technical details
Motherboard chipset family	Intel
Motherboard chipset	Intel B860
Parallel processing technology support	Not supported
Motherboard form factor	micro 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	micro 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	6
RAID support	Yes
Graphics
Parallel processing technology support	Not supported
Internal I/O
Thunderbolt headers	1
USB 3.2 Gen 2 (3.1 Gen 2) connectors	1
12V power connector	Yes
Supported storage drive interfaces	M.2, SATA III
USB 2.0 connectors	1
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1
TPM connector	Yes
S/PDIF out connector	Yes
Number of SATA III connectors	4
Number of COM connectors	1
Number of chassis fan connectors	3
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
Number of CPU fan connectors	1

Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2
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	1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	0
USB 2.0 ports quantity	4
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	2
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	micro ATX
Component for	PC
Product colour	Multicolour
Expansion slots
PCI Express x1 (Gen 4.x) slots	1
PCI Express x16 (Gen 4.x) slots	1
BIOS
BIOS type	UEFI AMI
BIOS memory size	256 Mbit
Packaging data
Package width	275 mm
Package depth	275 mm
Package height	67.5 mm
Package weight	1.36 kg
Software
Windows operating systems supported	Windows 10 x64, Windows 11
Weight & dimensions
Height	50 mm
Package width	275 mm
Package depth	275 mm
Package height	67.5 mm
Package weight	1.36 kg
Weight	815 g
Width	244 mm
Depth	244 mm
Other features
Height	50 mm
Package width	275 mm
Package depth	275 mm
Package height	67.5 mm
Package weight	1.36 kg
Weight	815 g
PCI Express x1 (Gen 4.x) slots	1

PRIME B860M-A-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 B860M-A-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

Technical details
Motherboard chipset family	Intel
Motherboard chipset	Intel B860
Parallel processing technology support	Not supported
Motherboard form factor	micro 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	micro 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	6
RAID support	Yes
Graphics
Parallel processing technology support	Not supported
Internal I/O
Thunderbolt headers	1
USB 3.2 Gen 2 (3.1 Gen 2) connectors	1
12V power connector	Yes
Supported storage drive interfaces	M.2, SATA III
USB 2.0 connectors	1
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1
TPM connector	Yes
S/PDIF out connector	Yes
Number of SATA III connectors	4
Number of COM connectors	1
Number of chassis fan connectors	3
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
Number of CPU fan connectors	1

Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2
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	1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	0
USB 2.0 ports quantity	4
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	2
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	micro ATX
Component for	PC
Product colour	Multicolour
Expansion slots
PCI Express x1 (Gen 4.x) slots	1
PCI Express x16 (Gen 4.x) slots	1
BIOS
BIOS type	UEFI AMI
BIOS memory size	256 Mbit
Packaging data
Package width	275 mm
Package depth	275 mm
Package height	67.5 mm
Package weight	1.36 kg
Software
Windows operating systems supported	Windows 10 x64, Windows 11
Weight & dimensions
Height	50 mm
Package width	275 mm
Package depth	275 mm
Package height	67.5 mm
Package weight	1.36 kg
Weight	815 g
Width	244 mm
Depth	244 mm
Other features
Height	50 mm
Package width	275 mm
Package depth	275 mm
Package height	67.5 mm
Package weight	1.36 kg
Weight	815 g
PCI Express x1 (Gen 4.x) slots	1

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Manufacturer	ASUS	Supermicro	Supermicro	Supermicro	Asrock	MSI
Processor manufacturer	Intel	Intel	Intel	Intel	AMD	AMD
Motherboard form factor	micro ATX	micro ATX	Pico ITX	Pico ITX	mini ITX	ATX
Processor socket	LGA 1851 (Socket V1)	LGA 1151 (Socket H4)	BGA 1296	BGA 1296	Socket AM4	Socket AM4
Supported memory types	DDR5-SDRAM	DDR4-SDRAM	DDR3L-SDRAM	DDR3-SDRAM	DDR4-SDRAM	DDR4-SDRAM
Component for	PC	N/A	Mini PC	Mini PC	PC	PC
Number of memory slots	4 to 6	2 to 3	1 to 2	1 to 2	2 to 3	4 to 6