
Prime B860M-A WIFI-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 WIFI-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.
Model
PRIME B860M-A WIFI-CSM
News & Updates
Please visit our GLOBAL website to check and download the latest updates.
CPU
Supports Intel Core Ultra Processors (Series 2), LGA1851*
Supports Intel Turbo Boost Technology 2.0 and Intel Turbo Boost Max Technology 3.0
*Refer to https://www.asus.com/support/download-center/ for CPU support list.
**Intel Turbo Boost Max Technology 3.0 support depends on the CPU type.
Chipset
Intel B860 Chipset
Memory
- 4 x DIMM slots, max. 256GB DDR5
- Supports up to DDR5-8666+ (OC)
- Supports Non-ECC, Unbuffered, Clocked Unbuffered DIMM (CUDIMM)
- Dual-channel memory architecture
- DIMM Fit
- Supports Intel Extreme Memory Profile (XMP)
- ASUS Enhanced Memory Profile III (AEMP III)
- Memory support depends on CPU and module configuration.
- Non-ECC DDR5 memory supports On-Die ECC.
Graphics
- 2 x DisplayPort
- 1 x HDMI 2.1
- DisplayPort supports up to 4K @ 60Hz (DisplayPort 1.4)
- HDMI supports up to 4K @ 60Hz (HDMI 2.1)
- Graphics support depends on the installed processor.
Expansion Slots
-
Intel Core Ultra Processors (Series 2):
- 1 x PCIe 5.0 x16 slot
-
Intel B860 Chipset:
- 1 x PCIe 4.0 x16 slot (x4 mode)
- 1 x PCIe 4.0 x1 slot
Storage
- Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports
- M.2_1: PCIe 5.0 x4 (2242 / 2260 / 2280)
- M.2_2: PCIe 4.0 x4 (2242 / 2260 / 2280)
- 4 x SATA 6Gb/s ports
- Intel Rapid Storage Technology supports RAID 0 / 1 / 5 / 10
Ethernet
- 1 x Realtek 2.5Gb Ethernet
- ASUS LANGuard
Wireless & Bluetooth
- Wi-Fi 6E (802.11ax)
- 2x2 Wi-Fi
- Supports 2.4GHz / 5GHz / 6GHz bands
- Bluetooth 5.3
- 6GHz band supported with Windows 11 or later (country dependent)
USB
Rear USB (8 Ports)
- 1 x USB 20Gbps Type-C
- 1 x USB 10Gbps Type-A
- 2 x USB 5Gbps Type-A
- 4 x USB 2.0 Type-A
Front USB (5 Ports)
- 1 x USB 10Gbps Type-C connector
- 1 x USB 5Gbps header (2 ports)
- 1 x USB 2.0 header (2 ports)
Audio
- Realtek 7.1 Surround Sound High Definition Audio CODEC
- Jack detection
- Multi-streaming
- Front panel jack-retasking
- Supports up to 24-bit / 192kHz playback
- Audio Shielding
- Premium audio capacitors
- Dedicated audio PCB layers
Back Panel I/O
- 1 x USB 20Gbps Type-C
- 1 x USB 10Gbps Type-A
- 2 x USB 5Gbps Type-A
- 4 x USB 2.0 Type-A
- 2 x DisplayPort
- 1 x HDMI 2.1
- 1 x Wi-Fi module
- 1 x Realtek 2.5Gb Ethernet
- 3 x Audio jacks
Internal I/O Connectors
Cooling
- 1 x CPU Fan header
- 1 x CPU OPT Fan header
- 1 x AIO Pump header
- 3 x Chassis Fan headers
Power
- 1 x 24-pin ATX power connector
- 1 x 8-pin CPU power connector
Storage
- 2 x M.2 slots
- 4 x SATA 6Gb/s ports
USB Headers
- 1 x USB 10Gbps Type-C connector
- 1 x USB 5Gbps header
- 1 x USB 2.0 header
Other Connectors
- 3 x Addressable Gen 2 RGB 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
- 1 x S/PDIF Out header
- 1 x SPI TPM header (14-1 pin)
- 1 x Front System Panel header
- 1 x Thunderbolt (USB4) header
Special Features
ASUS 5X Protection III
- DIGI+ VRM
- 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 Gen 2 Headers
Software Features
ASUS Exclusive Software
- Armoury Crate
- Aura Creator
- Aura Sync
- Fan Xpert 2+
- Power Saving
- ASUS DriverHub
- ASUS GlideX
- ASUS CPU-Z
- Norton 360 Deluxe (60-day trial)
- WinRAR (40-day trial)
UEFI BIOS
- ASUS CrashFree BIOS 3
- ASUS EZ Flash
- ASUS UEFI BIOS EZ Mode
- ASUS MyHotkey
BIOS
256 (128+128) Mb Flash ROM, UEFI AMI BIOS