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Asus PRIME B860M-K-CSM LGA 1851 micro-ATX Motherboard

Name: Asus PRIME B860M-K-CSM LGA 1851 micro-ATX Motherboard
Brand: Asus
Price: 19000 BDT
Availability: InStock

Model: PRIME B860M-K-CSMItem #: asus-prime-b860m-k-csm-motherboard

৳19,000~~৳19,500~~Save 3%

In stockverified 22 Sept 2026

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We're finishing our supply arrangements. Prices and stock here are live — ordering reopens shortly.

Delivery

Inside Dhaka: ৳60 · 1–2 days
Outside Dhaka: ৳120 · 2–4 days

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Key highlights

Intel B860 Chipset
2 M.2 slots
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) RAM type
micro-ATX Form Factor; 9.6 inch x 8.75 inch (24.4cm x 22.2cm)

Overview

The Asus PRIME B860M‑K‑CSM LGA 1851 micro‑ATX Motherboard is designed for stability, performance, and long‑term reliability. Built on the Intel B860M chipset, this Asus Prime Intel Motherboard supports the latest Intel Core Ultra Series 2 processors, DDR5 memory, and PCIe 5.0 storage, making it a future‑ready choice for business and productivity builds.

Performance and Compatibility

The Asus PRIME B860M‑K‑CSM Motherboard features the LGA 1851 socket, ensuring compatibility with next‑generation Intel CPUs. With dual DDR5 DIMM slots, it supports up to 128GB of high‑speed memory, optimized with ASUS AEMP III and DIMM Fit technology. This Asus mATX motherboard delivers reliable multitasking and efficient performance for professional desktops.

Expansion and Storage Options

Designed for flexibility, the Asus B860M Motherboard includes a PCIe 4.0 x16 SafeSlot Core+ for graphics cards and two PCIe 4.0 x1 slots for expansion. Storage is future‑proof with dual M.2 slots (PCIe 5.0 x4 and PCIe 4.0 x4) alongside four SATA 6Gb/s ports, ensuring fast NVMe SSD performance and traditional HDD support.

Connectivity and I/O Features

The Asus PRIME B860M‑K‑CSM LGA 1851 Motherboard offers Realtek 2.5Gb Ethernet for stable networking, HDMI 2.1 and DisplayPort 1.4 for high‑resolution displays, and multiple USB 3.2 Gen 2, USB 3.0, and USB Type‑C ports for modern peripherals. With integrated audio powered by Realtek ALC892/897 codec, this Asus Prime Intel Motherboard ensures clear sound for everyday use.

Cooling and Reliability

Equipped with a 6+1+1+1 phase digital VRM design, the Asus PRIME B860M‑K‑CSM Motherboard delivers stable power to critical components. Onboard heatsinks and ASUS Fan Xpert 2+ software provide efficient cooling, while the compact micro‑ATX form factor ensures compatibility with a wide range of cases.

Specifications

Chipset: Intel B860 Chipset
M.2 slots: 2
RAM type: 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)
Form factor: micro-ATX Form Factor; 9.6 inch x 8.75 inch (24.4cm x 22.2cm)
Memory — Type: DDR5
Memory — Slots: 2 x DIMM
Highlights — Model: PRIME B860M-K-CSM
Graphics — Graphics: 1 x DisplayPort**; 1 x HDMI™ port*** ; * Graphics specifications may vary between CPU types. Please refer to www.intel.com for any updates.; ** 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.

Show all 28 specifications

Expansion Slots — PCI: Intel® Core™ Ultra Processors (Series 2); 1 x PCIe 4.0 x16 slot; Intel® B860 Chipset; 2 x PCIe 4.0 x1 slots
Highlights — Features: 2x M.2, Realtek 2.5Gb LAN
Memory — Maximum Memory: 128GB
Basic Information — BIOS: 256(128+128) Mb Flash ROM, UEFI AMI BIOS
Connector & Ports — HDMI: 1 x HDMI 2.1
Connector & Ports — RAID: Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10.
Basic Information — Audio: Realtek 7.1 Surround Sound High Definition Audio CODEC
Connector & Ports — 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.
Others — Bundled Software: 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); UEFI BIOS; ASUS EZ DIY; - ASUS CrashFree BIOS 3; - ASUS EZ Flash; - ASUS UEFI BIOS EZ Mode; - ASUS MyHotkey
Others — Special Features: ASUS 5X PROTECTION III; - 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
Highlights — Supported RAM: 2x DDR5, Max 128GB, 8800+ MT/s (OC)
Connector & Ports — USB (s): Rear USB (Total 6 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 (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.
Highlights — Graphics Output: 1x DisplayPort, 1x HDMI
Connector & Ports — LAN Port (s): 1 x Realtek 2.5Gb Ethernet; ASUS LANGuard
Basic Information — Supported CPU: Supports Intel Core Ultra Processors (Series 2), LGA1851 Socket
Connector & Ports — Display Port (s): 1 x DisplayPort 1.4
Connector & Ports — Supported Storage: 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 mode); 4 x SATA 6Gb/s ports
Connector & Ports — Internal I/O Ports: Internal I/O Connectors; Fan and Cooling Related; 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; ; 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
Warranty Information — Manufacturing Warranty: 3 Year warranty
Connector & Ports — TPM (Trusted Platform Module ): 1 x SPI TPM header (14-1 pin)

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Price	৳19,000	৳18,900	৳19,000	৳19,000
Availability	In stock	In stock	In stock	Out of stock
Brand	Asus	GIGABYTE	Asus	MSI
M.2 slots	2	—	2	2
RAM type	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)	7600(OC)/ 7200(OC)/ 7000(OC)/ 6800(OC)/ 6600(OC)/ 6400(OC)/ 6200(OC)/ 6000(OC)/ 5600(OC)/ 5200/ 4800 MT/s memory modules; Dual channel memory architecture; Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules; Support for AMD EXtended Profiles for Overclocking (AMD EXPO) and Extreme Memory Profile (XMP) memory modules	Supports up to; 8200+MT/s(OC) with Ryzen 9000 Series Processors,; 8400+MT/s(OC) with Ryzen 8000 Series Processors,; 8000+MT/s(OC) with Ryzen 7000 Series Processors,; ECC and Non-ECC, Un-buffered DIMM*; Dual-channel memory architecture; Supports AMD Extended Profiles for Overclocking (EXPO); ASUS Enhanced Memory Profile (AEMP)	Memory Support 5333(OC)/ 5200(OC)/ 5066(OC)/ 5000(OC)/ 4800(OC)/ 4600(OC)/ 4400(OC)/ 4266(OC)/ 4200(OC)/ 4000(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3466(OC)/ 3400(OC)/ 3333(OC)/ 3200(JEDEC)/ 2933(JEDEC)/ 2666(JEDEC)/ 2400(JEDEC)/ 2133(JEDEC); Max. overclocking frequency:; • 1DPC 1R Max speed up to 5333+ MHz; • 1DPC 2R Max speed up to 4800+ MHz; • 2DPC 1R Max speed up to 4400+ MHz; • 2DPC 2R Max speed up to 4000+ MHz; Supports Dual-Channel mode; Supports non-ECC, un-buffered memory; Supports Intel® Extreme Memory Profile (XMP)
Form factor	micro-ATX Form Factor; 9.6 inch x 8.75 inch (24.4cm x 22.2cm)	Micro ATX Form Factor; 24.4cm x 24.4cm	micro-ATX Form Factor; 8.9 inch x 8.75 inch (22.6 cm x 22.2 cm)	mATX; 243.84mmx243.84mm
Chipset	Intel B860 Chipset	AMD B650	AMD B850 Chipset	INTEL B760