Install the appASUS PRIME B860M-A-CSM - Motherboard, Intel B860, LGA 1851 (Socket V1), micro ATX
- — Warranty: 3 Years Warranty
- — Return and exchange up to 31 days
- — Best price
Key specifications
- BrandASUS
- Processor socketLGA 1851
- Motherboard chipsetIntel B860
- Motherboard form factorMicro-ATX
- Supported memory typesDDR5-SDRAM
- Number of memory slots4
- Maximum internal memory256 GB
- Compatible processor seriesIntel Core Ultra (Series 2)
- Video outputsHDMI, DisplayPort
- USB-C ports (rear)USB 3.2 Gen 2x2
- Product colorMulticolour
- Weight0.815 kg
- Warranty3 Years Warranty
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.
Find similar by key specs
All specifications 66
Main4
- Brand
- ASUS
- Warranty
- 3 Years Warranty
- Product code
- 90MB1K00-M0EAYC
- EAN/UPC code
- 4711387819869
Processor3
Performance1
- Motherboard chipset
- Intel B860
Features4
- Audio output channels
- 7.1 channels
- Motherboard chipset family
- Intel
- Motherboard form factor
- Micro-ATX
- Windows operating systems supported
- Windows 10 x64, Windows 11
Memory8
- 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
Ports & interfaces11
- 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
- USB-C ports (rear)
- USB 3.2 Gen 2x2
- Video outputs
- HDMIDisplayPort
BIOS2
- BIOS memory size
- 256 Mbit
- BIOS type
- UEFI AMI
Design1
- Product color
- Multicolour
Expansion slots2
- PCI Express x1 (Gen 4.x) slots
- 1
- PCI Express x16 (Gen 4.x) slots
- 1
Graphics1
- Parallel processing technology support
- Not supported
Internal I/O15
- 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
Network2
- Ethernet interface type
- 2.5 Gigabit Ethernet
- Ethernet LAN
- Yes
Packaging data3
- Package depth
- 275 mm
- Package height
- 67.5 mm
- Package width
- 275 mm
Storage controllers6
- 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 & dimensions3
- Depth
- 244 mm
- Height
- 50 mm
- Width
- 244 mm
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