MB ASUS ROG STRIX B860-A GAMING WIFI B860 LGA1851 4XDDR5DC-9066(OC) HDMI 1XPCIE5.0X16 4XSATA3 4XM.2 WIFI BT ATX 90MB1JI0-M0EAY0

CPU
Support Intel® Core™ Ultra Processors (Series 2)
Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0

Chipset
Intel® B860 Chipset

Memory
4 x DIMM slots, max. 256GB, DDR5
Supports up to 8600+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)

Graphics
1 x DisplayPort
1 x HDMI™ port
1 x USB4® (20Gbps) ports support USB Type-C® display outputs

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)

Storage
Total supports 4 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 2280 (supports PCIe 4.0 x4 mode)
- M.2_3 slot (Key M), type 2280/22110 (supports PCIe 4.0 x4 mode)
- M.2_4 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
- 4 x SATA 6Gb/s ports

Ethernet
1 x Intel® 2.5Gb Ethernet
ASUS LANGuard

Wireless & Bluetooth
Wi-Fi 7
2x2 Wi-Fi 7 (802.11be)
Supports 2.4/5/6GHz frequency band
Supports Wi-Fi 7 160MHz bandwidth, up to 2.9Gbps transfer rate.
Bluetooth® v5.4

USB
Rear USB (Total 10 ports): 
- 1 x USB4® (20Gbps) port (1 x USB Type-C®)
- 3 x USB 10Gbps ports (2 x Type-A + 1 x USB Type-C®)
- 2 x USB 5Gbps ports (2 x Type-A)
- 4 x USB 2.0 ports (4 x Type-A)
Front USB (Total 5 ports): 
- 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 additional USB 2.0 ports
USB Type-C® power delivery output: max. 5V/3A

Audio
Realtek ALC1220P 7.1 Surround Sound
High Definition Audio CODEC
- Impedance sense for front and rear headphone outputs
- Internal audio Amplifier to enhance the highest quality sound for headphone and speakers
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- High quality 120 dB SNR stereo playback output and 113 dB SNR recording input (Line-in)
- Supports up to 32-Bit/192 kHz playback
Audio Features: 
- SupremeFX Shielding Technology
- Savitech SV3H712 AMP
- Rear optical S/PDIF out port
- Premium audio capacitors
- Dedicated audio PCB layers
- Audio cover

Back Panel I/O Ports
1 x USB4® (20Gbps) port (1 x USB Type-C®)
3 x USB 10Gbps ports (2 x Type-A + 1 x USB Type-C®)
2 x USB 5Gbps ports (2 x Type-A)
4 x USB 2.0 ports (4 x Type-A)
1 x DisplayPort
1 x HDMI™ port
1 x Wi-Fi module
1 x Intel® 2.5Gb Ethernet port
2 x Audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack™ button
1 x Clear CMOS button

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
- 4 x 4-pin Chassis Fan headers
Power Related: 
- 1 x 24-pin Main Power connector
- 2 x 8-pin +12V CPU Power connector
Storage Related: 
- 4 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 additional USB 2.0 ports
Miscellaneous: 
- 3 x Addressable Gen2 header(s)
- 1 x Front Panel Audio header (F_AUDIO)
- 1 x 10-1 pin Front System Panel header
- 1 x Thermal Sensor header
- 1 x Thunderbolt™ (USB4®) header

Special Features
Extreme Engine Digi+: 
- 5K Black metallic capacitors
ASUS Q-Design: 
- M.2 Q-Latch
- M.2 Q-Release
- M.2 Q-Slide
- PCIe Slot Q-Release Slim (with PCIe SafeSlot)
- Q-Antenna
- Q-Dashboard
- Q-DIMM
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution: 
- M.2 heatsink backplate
- M.2 heatsink
- VRM heatsink design
ASUS EZ DIY: 
- BIOS FlashBack™ button
- BIOS FlashBack™ LED
- Clear CMOS button
- CPU Socket lever protector
- ProCool
- Pre-mounted I/O shield
- SafeSlot
- SafeDIMM
Aura Sync: 
- Addressable Gen2 headers

Software Features
ROG Exclusive Software: 
- ROG CPU-Z
- Dolby Atmos
ASUS Exclusive Software: 
Armoury Crate
- Aura Creator
- Aura Sync
- Fan Xpert 4
- GameFirst
- Power Saving
AIDA64 Extreme (60 days free trial)
HWiNFO
ASUS AI Advisor
ASUS DriverHub
ASUS GlideX
TurboV Core
Adobe Creative Cloud 30 Days Free Trial)
Norton 360 for Gamers (60 Days Free Trial)
WinRAR (40 Days Free Trial)
UEFI BIOS: 
AI Overclocking Guide
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash
- ASUS UEFI BIOS EZ Mode
- ASUS MyHotkey
NPU Boost

BIOS
256 Mb Flash ROM, UEFI AMI BIOS

Manageability
WOL by PME, UEFI PXE

Accessories
Cables: 
- 2 x SATA 6Gb/s cables
Miscellaneous: 
- 1 x ASUS WiFi Q-Antenna
- 1 x Cable ties package
- 1 x M.2 Q-Latch
- 1 x M.2 Q-Slide
- 1 x ROG key chain
- 1 x ROG Strix stickers
- 4 x M.2 rubbers
Documentation: 
- 1 x Quick start guide

Operating System
Windows 11 (22H2 & later)

Form Factor
ATX Form Factor
12 inch x 9.6 inch (30.5 cm x 24.4 cm)