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ASUS PRIME B860M-K-CSM Motherboard
  • Model:PRIME B860M-K-CSM
  • Compatible with Intel Core Ultra CPUs
  • Intel B860 chipset, LGA1851 socket
  • Micro-ATX form factor, dual DDR5 slots
  • PCIe 5.0 M.2, USB-C, 2.5Gb Ethernet
  • 3 Years Warranty from ASUS
₹ 13,250
Next Day Dispatch
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Model
PRIME B860M-K-CSM
CPU
Supports Intel® Core™ Ultra Processors (Series 2), LGA1851*
CPU Technologies
Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0**
CPU Support Note
* Refer to https://www.asus.com/support/download-center/ for CPU support list.
Turbo Boost Max Technology Note
** Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types.
Chipset
Intel® B860 Chipset
Memory Slots
2 x DIMM slots, max. 128GB, DDR5
Memory Speed
Supports up to 8800+MT/s (OC),  Non-ECC, Un-buffered ,Clocked Unbuffered DIMM (CUDIMM)*
Memory Architecture
Dual channel memory architecture
DIMM Fit
Supports Intel® Extreme Memory Profile (XMP) memory module
ASUS Enhanced Memory Profile
ASUS Enhanced Memory Profile III(AEMPIII)
Memory Support Note 1
* 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 or visit https://www.asus.com/support/download-center/. Adjustments will be made based on the specifications of mass-produced memory products available on the market.
Memory Support Note 2
** Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
Graphics Ports
1 x DisplayPort**; 1 x HDMI™ port***
Graphics Specifications Note 1
* Graphics specifications may vary between CPU types. Please refer to www.intel.com for any updates.
Graphics Specifications Note 2
** Supports max. 4K@60Hz as specified in DisplayPort 1.4.
Graphics Specifications Note 3
***  Supports 4K@60Hz as specified in HDMI 2.1.
Graphics Specifications Note 4
**** VGA resolution support depends on processors' or graphic cards' resolution.
Expansion Slots (CPU)
1 x PCIe 4.0 x16 slot
Expansion Slots (Chipset)
2 x PCIe 4.0 x1 slots
Expansion Slot Compatibility
- To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported peripherals.
Storage Total
Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports*
Storage (CPU)
M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
Storage (Chipset)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode); 4 x SATA 6Gb/s ports
Storage Technology
* Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10.
Ethernet
1 x Realtek 2.5Gb Ethernet
Ethernet Features
ASUS LANGuard
Rear USB Ports
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 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 Power Delivery
* USB Type-C® power delivery output: max. 5V/3A.
USB Bandwidth Note
** USB_E1 port, USB_E2 port, USB_E3 port and USB_E4 port share the bandwidth.
Audio Codec
Realtek 7.1 Surround Sound High Definition Audio CODEC*
Audio Features Main
- 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
Audio Output Note
* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
Back Panel I/O Ports
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); 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
Internal I/O Connectors - Fan and Cooling
1 x 4-pin CPU Fan header; 2 x 4-pin Chassis Fan headers
Internal I/O Connectors - Power
1 x 24-pin Main Power connector; 1 x 8-pin +12V CPU Power connector
Internal I/O Connectors - Storage
2 x M.2 slots (Key M); 4 x SATA 6Gb/s ports
Internal I/O Connectors - 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
Internal I/O Connectors - 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
Special Features - ASUS 5X PROTECTION III
- DIGI+VRM - LANGuard - Overvoltage protection - SafeSlot Core+ - Stainless-steel back I/O
Special Features - ASUS Q-Design
- Q-Dashboard - Q-DIMM - Q-LED Core - Q-Slot
Special Features - ASUS Thermal Solution
- VRM heatsink design
Special Features - ASUS EZ DIY
- ProCool
Special Features - Aura Sync
- Aura RGB header - Addressable Gen2 headers
Software Features - ASUS Exclusive Software
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)
Software Features - UEFI BIOS
ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash - ASUS UEFI BIOS EZ Mode - ASUS MyHotkey
BIOS
256(128+128) Mb Flash ROM, UEFI AMI BIOS
Manageability
WOL by PME, PXE
Accessories - Cables
2 x SATA 6Gb/s cables
Accessories - Miscellaneous
1 x I/O Shield 1 x M.2 anchor package
Accessories - Documentation
1 x Quick start guide 1 x ACC Express activation key card
Operating System
Windows 11(22H2 & later), Windows 10 64-bit(21H2 & later)
Form Factor
micro-ATX Form Factor
Dimensions
9.6 inch x 8.75 inch (24.4cm x 22.2cm)