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Asus PRIME B860M-A-CSM (Wi-Fi 6E) DDR5 Intel Core Ultra LGA1851 Socket Motherboard #PRIME B860M-A WIFI-CSM
Windows 11 (22H2 & later), Windows 10 64-bit(21H2 & later)
Body Color
Black & Silver
Warranty
3 Year Replacement
General
Brand
Asus
Model
Asus PRIME B860M-A-CSM (Wi-Fi 6E)
Body Color
Black & Silver
Part No
PRIME B860M-A WIFI-CSM
CPU
Chipset Brand
Intel
Chipset
Intel B860
Sockets Supported
LGA1851
Built-in Processor
No
Supported CPU
Intel Core Ultra Processors (Series 2)
Generation
Ultra
Memory Support
Memory Type
DDR5
Memory MHz
Up to 8666+MT/s (OC), Non-ECC,Un-buffered ,Clocked Unbuffered DIMM (CUDIMM)
Memory Channel
Dual
Memory Slot
4
Memory Slot (Additional Info)
4 x DIMM Slot
Memory Max.
256GB
Optane Memory Support
No
Storage
Storage Interface
6.0Gb/s
M.2/SSD Expansion Slot
2
M.2/SSD Expansion Slot Details
2 x M.2 slots (M.2-1 slot, Key M, type 2242/2260/2280, supports PCIe 5.0 x4 mode. M.2-2 slot, Key M, type 2242/2260/2280, supports PCIe 4.0 x4 modes)
M.2/SSD Slot Gen
Up to Gen 5
Graphics
Graphics
Integrated
Graphics Chipset
Integrated With Processor
PCI Express Slot
1 x PCIe 5.0 x16 slot, 1 x PCIe 4.0 x16 slot (supports x4 mode), 1 x PCIe 4.0 x1 slot.
Network & Connectivity
LAN Speed (Mbps)
10/100/1000/2500Mbps
WiFi
Yes
WiFi Technology
Wi-Fi 6E: 2x2 802.11ax, 2.4Hz/5Hz/6GHz
Bluetooth
Bluetooth 5.3
Ports
USB Port
1 x USB 20Gbps port (1 x USB Type-C with DP Alt mode), 1 x USB 10Gbps port (1 x Type-A), 2 x USB 5Gbps ports (2 x Type-A), 4 x USB 2.0 ports (4 x Type-A ).
VGA Port
No
DVI Port
No
HDMI Port
1
DisplayPort (DP)
2
SATA Port
4
Thunderbolt
No
COM Port
1 x COM Port header
Technical Info
Back-Connect Design
No
Cable Management
Front
Heatsink
Yes
CrossFire Support
No
Sli Support
No
Raid Support
RAID 0/1/5/10
RGB Support
ARGB
RGB Sync
Aura Sync
RGB Connector
3 x Addressable Gen 2 headers, 1 x Aura RGB header.
Approx. Power Consumption
60W
Form Factor
Micro-ATX
Bios Information
BIOS Type
256 (128+128) Mb Flash ROM
BIOS Model
UEFI AMI BIOS
Compatibility
Supported Operating System
Windows 11 (22H2 & later), Windows 10 64-bit(21H2 & later)
Compatible Products
Intel Core Ultra Processors (Series 2)
Warranty
Warranty
3 Year Replacement
Additional Info
Feature
Supports Intel Turbo Boost Technology 2.0 and Intel Turbo Boost Max Technology 3.0. DIMM Fit. Supports Intel Extreme Memory Profile (XMP) memory module. ASUS Enhanced Memory Profile III(AEMPIII). Non-ECC, un-buffered DDR5 memory supports On-Die ECC function. Supports max. 4K 60Hz as specified in DisplayPort 1.4. Supports 4K 60Hz as specified in HDMI 2.1. Supports max. 4K 120Hz as specified in DisplayPort 1.4. Audio Shielding. Premium audio capacitors. Dedicated audio PCB layers. A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. ASUS 5X PROTECTION III: DIGI+ VRM (- Digital power design with DrMOS) ESD Guards LANGuard Overvoltage protection SafeSlot Stainless-steel back I/O- ASUS Q-Design: Q-Antenna, Q-Dashboard, Q-DIMM, Q-LED Core, Q-Slot. ASUS Thermal Solution: M.2 heatsink, VRM heatsink design. ASUS EZ DIY: ProCool, Pre-mounted I/O shield. Aura Sync: Aura RGB header, Addressable Gen2 headers. Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking. Realtek 7.1 Surround Sound High Definition Audio CODEC.
Others
Ethernet: 1 x Realtek 2.5Gb Ethernet, ASUS LANGuard. Supports up to 24-Bit/192 kHz playback. Back Panel I/O Ports: 1 x USB 20Gbps port (1 x USB Type-C with DP Alt mode), 1 x USB 10Gbps port (1 x Type-A), 2 x USB 5Gbps ports (2 x Type-A), 4 x USB 2.0 ports (4 x Type-A ), 2 x DisplayPort, 1 x HDMI port, 1 x Wi-Fi module, 1 x Realtek 2.5Gb Ethernet port, 3 x Audio jacks. Internal I/O Connectors: Fan and Cooling Related, 1 x 4-pin CPU Fan header, 1 x 4-pin CPU OPT Fan header, 1 x 4-pin AIO Pump header, 3 x 4-pin Chassis Fan headers, Power Related: 1 x 24-pin Main Power connector, 1 x 8-pin +12V CPU Power connector, Storage Related: 2 x M.2 slots (Key M), 4 x SATA 6Gb/s ports, USB: 1 x USB 10Gbps connector (supports USB Type-C), 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports, 1 x USB 2.0 header supports 2 additionalUSB 2.0 ports, Miscellaneous: 3 x Addressable Gen 2 headers, 1 x Aura RGB header, 1 x Clear CMOS header, 1 x Chassis Intrusion header, 1 x COM Port header, 1 x Front Panel Audio header (F_AUDIO), 1 x S/PDIF Out header, 1 x SPI TPM header (14-1 pin), 1 x 10-1 pin Front System Panel header, 1 x Thunderbolt (USB4) header. Manageability: WOL by PME, PXE. Accessories: Cables: 2 x SATA 6Gb/s cables. Miscellaneous: 1 x ASUS WiFi Q-Antenna, 1 x M.2 rubber package, 1 x Screw package for M.2 SSD. Documentation: 1 x ACC Express Activation Key Card, 1 x Quick start guide.
N.B. Specification may differ
with actual product. In that case, Ryans will execute full refund within 5 days.
Details
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REVIEW
Customer Reviews
Easy to use and works as expected.
By Mohammad Waziullah
. June, 2026
Running flawlessly so far
By Sourov roy
. May, 2026
Excellent product I recommend it.
By Mr. Manik
. May, 2026
Fits smaller cases while still offering good expansion options.