ASUS B860M MAX GAMING AX LGA 1851 DDR5 mATX Desktop MotherboardOpen box. The motherboard was never used. Tested and 100% Functional. Includes all accessories (wifi card, Antenna, IO Shield). Warranty.This product was refurbished by the Manufacturer. This product was tested and is 100% fully functional.Socket Type: LGA 1851
Form Factor: microATX
CPU Brand: Intel
Suitable For: Serious Gaming
Features: LGA 1851
Newegg CPU Type: Intel Core Ultra LGA 1851
Memory Standard: DDR5
Chipset: B860

Please see the updated OS support requirements for the Intel® Core Ultra 200S Series below:•Intel® Core Ultra 200S Series: Supports Windows 10 (version 21H2 and later) and Windows 11 (version 22H2 and later).•Intel® Core Ultra 200S Plus Series: Windows 11 (version 25H2 and later) for full compatibility.

Support Intel® Core™ Ultra Processors (Series 2) , LGA1851*
Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0
**Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types.

Intel® B860 Chipset

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)
*Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site
* Adjustments will be made based on the specifications of mass-produced memory products available on the market.
* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.

1 x DisplayPort**
1 x USB 20Gbps port (USB Type-C®) supports DisplayPort video output****
* Graphics specifications may vary between CPU types.
** Supports max. 4K@60Hz as specified in DisplayPort 1.4.
**** Supports max. 4K@120Hz as specified in DisplayPort 1.4.
***** VGA resolution support depends on processors' or graphic cards' resolution.
******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.

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)
2 x PCIe 4.0 x16 slot (support x1 mode)
- To ensure compatibility of the device installed

Total supports 3 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)
M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x2 modes)
4 x SATA 6Gb/s ports
* Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10.

1 x Realtek 2.5Gb Ethernet
ASUS LANGuard

Wi-Fi 6
1x1 Wi-Fi 6 (802.11ax)
Supports 2.4/5GHz frequency band
Bluetooth® v5.4*
* The Bluetooth® version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications.

Rear USB (Total 10 ports)
1 x USB 20Gbps port (1 x USB Type-C® with DP Alt mode)
1 x USB 10Gbps port (1 x Type-A )
4 x USB 5Gbps ports (4 x Type-A)
4 x USB 2.0 ports (4 x Type-A)
Front USB (Total 9 ports)
1 x USB 10Gbps connector (supports USB Type-C® )
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
3 x USB 2.0 header supports 6 additional USB 2.0 ports
*USB Type-C® power delivery output: max. 5V/3A
** USB 5G_E1 port, USB 5G_E2 port, USB 5G_E3 port and USB 5G_E4 port share the bandwidth.
**USB_E1 port, USB_E2 port, USB_E3 port and USB_E4 port share the bandwidth.
**** USB_E5 port, USB_E6 port, USB_E7 port and USB_E8 port share the bandwidth.

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.

1 x USB 20Gbps port (1 x USB Type-C® with DP Alt mode)
1 x USB 10Gbps port (1 x Type-A)
4 x USB 5Gbps ports (2 x Type-A)
4 x USB 2.0 ports (4 x Type-A )
1 x DisplayPort
1 x Wi-Fi module
1 x Realtek 2.5Gb Ethernet port
3 x Audio jacks

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
1 x 8-pin +12V CPU Power connector
Storage Related
3 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
3 x USB 2.0 header supports 6 additionalUSB 2.0 ports
Miscellaneous
3 x Addressable Gen 2 headers
1 x Clear CMOS header
1 x Chassis Intrusion 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

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-Dashboard
- Q-DIMM
- Q-LED Core
- Q-Slot
ASUS Thermal Solution
- VRM heatsink design
ASUS EZ DIY
- ProCool
- Pre-mounted I/O shield
Aura Sync
- Addressable Gen2 headers

ASUS Exclusive 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

256 (128+128) Mb Flash ROM, UEFI AMI BIOS

WOL by PME, PXE

Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS WiFi moving antenna
2 x Screw packages for M.2 SSD
Documentation
1 x Quick start guide

Windows® 11, Windows® 10 64-bit

micro-ATX Form Factor
9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)