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

Elevate your build with the ASUS PRIME B860M-A-CSM motherboard for exceptional performance.
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  • — Warranty: 3 years warranty
  • — Return and exchange up to 30 days
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  • Processor socketLGA 1851 (Socket V1)
  • Compatible processor seriesIntel Core Ultra (Series 2)
  • Motherboard chipsetIntel B860
  • Supported memory typesDDR5-SDRAM
  • Number of memory slots4
  • Motherboard form factorMicro ATX
  • All features

ASUS PRIME B860M-A-CSM Motherboard

The ASUS PRIME B860M-A-CSM is a remarkable micro ATX motherboard tailored for users seeking seamless performance with Intel Core Ultra Series 2 processors. Built on the robust Intel B860 chipset, this motherboard boasts AI-ready capabilities that enhance your computing experience in a compact, reliable design. Enjoy enhanced connectivity with built-in Wi-Fi 6E, 2.5Gb Ethernet, and a diverse range of modern USB ports.

Powerful Power Supply and Cooling Solutions

Engineered with a sophisticated 7+1+1+1 phase digital VRM (each rated at 80A DrMOS), the B860M-A ensures stable power delivery even under heavy loads, thanks to ProCool headers, a six-layer PCB, and oversized VRM heatsinks. Equipped with hybrid fan headers, an AIO pump connection, and dedicated VRM and M.2 heatsinks, this motherboard maintains optimal temperatures to keep your system running smoothly.

Memory and Storage Flexibility

This motherboard features four DDR5 DIMM slots that support a staggering up to 256GB of RAM at speeds up to DDR5-8666+ through XMP or AEMP III profiles. It also includes two M.2 slots – one PCIe 5.0 x4 and another PCIe 4.0 x4 – alongside four SATA 6Gb/s connections with full RAID 0/1/5/10 support.

Extensive Expansion Options and Connections

With a PCIe 5.0 x16 slot featuring SafeSlot technology, a PCIe 4.0 x16 (in x4 mode), and a PCIe 4.0 x1 slot, the B860M-A offers versatile expansion capabilities. The rear I/O is well-equipped, including DisplayPort, HDMI, a USB Type-C port (20Gb/s with Display Mode), and USB-A ports supporting 10Gb/s and 5Gb/s speeds, as well as USB 2.0 ports. There’s also support for ARGB and Aura addressing for customized lighting options.

Robust Connectivity and Networking

The ASUS PRIME B860M-A-CSM is designed with high-performance connectivity in mind, featuring Realtek 2.5Gb LAN paired with ASUS LANGuard protection for secure wired connections. Integrated Wi-Fi 6E (2x2, 802.11ax) and Bluetooth 5.3 ensure fast and flexible wireless communication. Experience superior audio quality with Realtek 7.1-channel support, premium capacitors, dedicated PCB layers, and optimal shielding to enhance sound clarity.

User-Friendly Assembly and Management Tools

Assemble your PC effortlessly with features like a pre-installed I/O shield, SafeSlot, Q-LED Core, Q-Slot, and Q-DIMM. The BIOS tools include Q-Flash, CrashFree BIOS 3, DIMM Fit, and DIMM Fit Pro for advanced memory tuning, along with ASUS AI Advisor providing intelligent system guidance.

Comprehensive Software and Security Features

This motherboard comes with Armoury Crate for RGB lighting control and system configuration, along with DriverHub and ASUS CPU-Z for efficient management and maintenance. ASUS 5X PROTECTION III enhances system stability with DIGI+ VRM, ESD protection, LANGuard, SafeSlot, and a stainless steel back panel. Ideal for corporate environments, it also supports ASUS Control Center Express, ensuring up to 36 months of product stability.

Main
Brand
ASUS
Warranty
3 years warranty
Product code
90MB1K00-M0EAYC
EAN/UPC code
4711387819869
BIOS
BIOS memory size
256 Mbit
BIOS type
UEFI AMI
Expansion slots
PCI Express x1 (Gen 4.x) slots
1
PCI Express x16 (Gen 4.x) slots
1
Features
Audio output channels
7.1 channels
Motherboard chipset
Intel B860
Motherboard chipset family
Intel
Motherboard form factor
Micro ATX
Product colour
Multicolour
Windows operating systems supported
Windows 10 x64, Windows 11
Graphics
Parallel processing technology support
Not supported
Internal I/O
ATX Power connector (24-pin)
Yes
Chassis intrusion connector
Yes
CPU fan connector
Yes
EPS power connector (8-pin)
Yes
Front panel audio connector
Yes
Number of chassis fan connectors
3
Number of COM connectors
1
Number of CPU fan connectors
1
Number of SATA III connectors
4
S/PDIF out connector
Yes
Thunderbolt headers
1
TPM connector
Yes
USB 2.0 connectors
1
USB 3.2 Gen 1 (3.1 Gen 1) connectors
1
USB 3.2 Gen 2 (3.1 Gen 2) connectors
1
Memory
ECC сompatibility
Non-ECC
Maximum internal memory
256 GB
Memory channels
Dual-channel
Memory slots type
DIMM
Number of memory slots
4
Supported memory clock speed (max)
8666 MHz
Supported memory types
DDR5-SDRAM
Unbuffered memory
Yes
Network
Ethernet interface type
2.5 Gigabit Ethernet
Ethernet LAN
Yes
Other features
Weight
815 g
Packaging data
Package depth
275 mm
Package height
67.5 mm
Package weight
1.36 kg
Package width
275 mm
Processor
Processor manufacturer
Intel
Processor socket
LGA 1851 (Socket V1)
Compatible processor series
Intel Core Ultra (Series 2)
Rear panel I/O ports
DisplayPorts quantity
2
Ethernet LAN (RJ-45) ports
1
HDMI ports quantity
1
Line-in
Yes
Microphone in
Yes
USB 2.0 ports quantity
4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
1
USB 3.2 Gen 2x2 Type-C ports quantity
1
Storage controllers
Number of HDDs supported
4
Number of storage drives supported
6
RAID levels
0, 1, 5, 10
RAID support
Yes
Supported storage drive interfaces
M.2, SATA III
Supported storage drive types
HDD & SSD
Weight & dimensions
Depth
244 mm
Height
50 mm
Width
244 mm

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