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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 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. ASUS AI Solutions include AI Advisor as your technical expert with expertise in PC performance.

CPU

Intel Socket LGA1851 for Intel Core Ultra Processors (Series 2)

  • Supports Intel Turbo Boost Technology 2.0 and Intel Turbo Boost Max Technology 3.0
ChipsetIntel B860 Express Chipset
Memory

4 x DIMM slots, max. 256GB, DDR5

  • Supports up to 8666+MT/s (OC), Non-ECC Un-buffered ,Clocked Unbuffered DIMM (CUDIMM)
  • Dual channel memory architecture
  • DIMM Fit
  • Supports Intel Extreme Memory Profile (XMP) memory module
  • ASUS Enhanced Memory Profile III(AEMPIII)
Onboard Graphics

Integrated Graphics Processor-Intel HD Graphics support:

  • 2 x DisplayPort
    • Supports max. 4K@60Hz as specified in DisplayPort 1.4.
  • 1 x HDMI port
    • Supports 4K@60Hz as specified in HDMI 2.1.
  • 1 x USB 20Gbps port (USB Type-C) supports DisplayPort video output
    • Supports max. 4K@60Hz as specified in DisplayPort 1.4.

While installing the operating system, please ensure that your monitor is connected to the HDMI port on the back I/O panel or to a discrete graphics card.

Audio

Realtek 7.1 Surround Sound High Definition Audio CODEC

  • Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
  • Supports up to 24-Bit/192 kHz playback
  • Audio Features
    • 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.

LAN

1 x Realtek 2.5Gb Ethernet

  • ASUS LANGuard
Wireless Communication Module

Wi-Fi 6E

  • 2x2 Wi-Fi 6E (802.11ax)
  • Supports 2.4/5/6GHz frequency band

Bluetooth v5.3

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 (supports x4 mode)
  • 1 x PCIe 4.0 x1 slot
Storage Interface

Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports

Intel Core Ultra Processors (Series 2)

  • M.2_1 slot (Key M), type 2242/2260/2280  (supports PCIe 5.0 x4 mode)

Intel B860 Chipset

  • M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 modes)
  • 4 x SATA 6Gb/s ports

Intel Rapid Storage Technology supports SATA RAID 0/1/5/10.

USB

Rear USB (Total 8 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)
    • USB_E1 port, USB_E2 port, USB_E3 port and USB_E4 port share the bandwidth.

Front USB (Total 5 ports)

  • 1 x USB 10Gbps connector (supports USB Type-C)
    • USB Type-C power delivery output: max. 5V/3A
  • 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
  • 1 x USB 2.0 header supports 2 additional USB 2.0 ports
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
Back Panel Connectors
  • 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
I/O Controller
  • Not Specified
H/W Monitoring
  • Voltage detection
  • Temperature detection
  • Fan speed detection
  • Fan fail warning
  • Fan speed control
BIOS

256 (128+128) Mb Flash ROM

  • UEFI AMI BIOS
Unique Features

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
Bundled Software

Armoury Crate

  • Aura Creator
  • Aura Sync
  • Fan Xpert 2+
  • Power Saving

ASUS DriverHub

ASUS GlideX

ASUS CPU-Z

Norton 360 for Deluxe (60 Days Free Trial)

WinRAR (40 Days Free Trial)

UEFI BIOS

ASUS EZ DIY

  • ASUS CrashFree BIOS 3
  • ASUS EZ Flash
  • ASUS UEFI BIOS EZ Mode
  • ASUS MyHotkey
Operating SystemSupport for Windows 11 64-bit
Form Factor

Micro ATX Form Factor

  • 24.4cm x 24.4cm
Manufacturer
Manufacturer's WebsiteLink *
Product WebsiteLink *
Warranty Information
Warranty Duration3 Years
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ASUS PRIME B860M-A WIFI, Intel B860 Chipset, LGA1851, DDR5, Micro ATX Desktop Motherboard

- Socket LGA1851, Intel B860 Chipset
-
Supports Intel Core Ultra (Series 2) Processors
- 4 x DDR5 DIMM Slots, up to 256GB, DDR5-8800+ (OC)
- 1 x PCIe 5.0 x16 Slot
-
1 x PCIe 4.0 x16 Slot (x4 Electrical)
- 1 x PCIe 4.0 x1 Slot
- 1 x M.2 PCIe 5.0 NVMe Slot
- 1 x M.2 PCIe 4.0 NVMe Slot
-
4 x SATA Ports with RAID 0/1/5/10
- 2.5Gbps LAN, Wi-Fi 6E & Bluetooth 5.3
- 2 x DisplayPort 1.4, 1 x HDMI 2.1, 1 x USB-C DP 1.4
- 1 x Rear USB Type-C 20Gb/s

- 1 x Rear USB Type-A 10Gb/s, 2 x Rear USB Type-A 5Gb/s
- 4 x Rear USB 2.0/1.1
- 3 x Rear Audio Jacks
- Q-Antenna Quick Release Antenna Connectors
- ASUS Q-LED Core for Boot Diagnostics
-
3 x ARGB Gen2 Headers
- Form Factor: Micro-ATX
- 3 Year Warranty

  • Product Code: 90MB1JY0-M0EAY0
  • Availability: In Stock with Supplier leadtimeTooltip Lead Times:
    • In Stock with Progenix: Ready for collection/dispatch once payment clears. The cut-off for same-day dispatch is 12:00pm on business days.
    • In Stock with Supplier: 1-3 business days until dispatched or ready for collection
    • Out Of Stock: Contact us to see if this item will be restocked.
  • R4,186



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