ASUS PRIME B860M-K-CSM Intel LGA1851 Motherboard(System Build Only Non Retail Pack)-PRIME B860M-K-CSM SI

Supports up to 8800+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. 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 HDMI™ port***

* Graphics specifications may vary between CPU types.

** Supports max. 4K@60Hz as specified in DisplayPort 1.4.

***    Supports 4K@60Hz as specified in HDMI 2.1.

**** VGA resolution support depends on processors’ or graphic cards’ resolution.

1 x PCIe 4.0 x16 slot

Intel® B860 Chipset

2 x PCIe 4.0 x1 slots

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 mode)

4 x SATA 6Gb/s ports

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

ASUS LANGuard

1 x USB 10Gbps port (1 x Type-A)

2 x USB 5Gbps ports (2 x Type-A)

3 x USB 2.0 ports (3 x Type-A)**

Front USB (Total 7 ports)

1 x USB 5Gbps connector (supports USB Type-C®)

1 x USB 5Gbps header supports 2 additional USB 5Gbps ports

2 x USB 2.0 headers support 4 additional USB 2.0 ports**

* USB Type-C® power delivery output: max. 5V/3A.

** USB_E1 port, USB_E2 port, USB_E3 port and USB_E4 port share the bandwidth.

– 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.

2 x USB 5Gbps ports (2 x Type-A)

3 x USB 2.0 ports (3 x Type-A)

1 x DisplayPort

1 x HDMITM port

1 x Realtek 2.5Gb Ethernet port

3 x Audio jacks

1 x PS/2 Keyboard/Mouse combo port

1 x 4-pin CPU Fan header

2 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 5Gbps connector (supports USB Type-C® )

1 x USB 5Gbps header supports 2 additional USB 5Gbps ports

2 x USB 2.0 headers support 4 additional USB 2.0 ports

Miscellaneous

2 x Addressable Gen2 headers

1 x Aura RGB header

1 x Clear CMOS 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 Panel System header

– DIGI+VRM

– LANGuard

– Overvoltage protection

– SafeSlot Core+

– 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

Aura Sync

– Aura RGB header

– Addressable Gen2 headers

Armoury Crate

– Aura Sync

– Fan Xpert 2+

– Power Saving

ASUS AI Advisor

ASUS DriverHub

ASUS CPU-Z

Norton 360 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

2 x SATA 6Gb/s cables

Miscellaneous

1 x I/O Shield

1 x M.2 anchor package

Documentation

1 x Quick start guide

1 x ACC Express activation key card

9.6 inch x 8.75 inch (24.4cm x 22.2cm)