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Asus pro b860m-c-csm business micro-atx motherboard lga 1851 intel b860 ddr5 pcie 5.0 dual m.2 HDMI black

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Description

Item No. 3a61b730-b28b-4189-9b64-efca34f01b9b
ASUS Pro B860M-C-CSM — Secure Business Micro-ATX for Intel Core Ultra LGA 1851 · Intel B8604× DDR5 up to 256GBPCIe 5.0 x16 + Dual M.2Dual DisplayPort · USB-C · GbE The ASUS Pro B860M-C-CSM is a business-focused micro-ATX motherboard built on the Intel B860 chipset and the LGA 1851 socket, supporting Intel Core Ultra Series 1 and Series 2 desktop processors. Sold under ASUS part number 90MB1MCP-M0EAYC (EAN 4711636114684), it combines four DDR5 slots, a PCIe 5.0 x16 SafeSlot, dual M.2 storage, US

Attributes

Motherboard Characteristics

  • Processor Socket: Socket 1851

Details

ASUS Pro B860M-C-CSM — Secure Business Micro-ATX forIntel Core Ultra

LGA 1851 · Intel B8604× DDR5 up to 256GBPCIe 5.0 x16 + Dual M.2Dual DisplayPort · USB-C · GbE

The ASUS Pro B860M-C-CSM is a business-focused micro-ATX motherboard built on the Intel B860 chipset and the LGA 1851 socket, supportingIntel Core Ultra Series 1 and Series 2 desktop processors. Sold under ASUS part number 90MB1MCP-M0EAYC (EAN 4711636114684), it combines four DDR5 slots, a PCIe 5.0 x16 SafeSlot, dual M.2 storage, USB-C and dual DisplayPort + HDMI, with commercial-grade security, reliability and manageability features for corporate deployments. Typically in stock with fast delivery across Cyprus.

Compatibility — read before buying
This is an LGA 1851 board supporting Intel Core Ultra (Series 1 and Series 2) desktop CPUs — it is not compatible with LGA 1700 (12th/13th/14th Gen). It uses DDR5 memory only (no DDR4), supports CUDIMM/UDIMM, and fits Micro-ATX or larger cases.

Best For

Corporate and businessIntel Core Ultra desktops
Multi-monitor office workstations (dual DP + HDMI)
IT-managed fleets needing security and manageability
PCIe 5.0 graphics or accelerator builds
Dual NVMe + four SATA storage
High-capacity DDR5 (up to 256GB) professional workloads

Key Features

 
Business-grade security & manageability
Self-recovering BIOS, ASUS Event Log, onboard TPM-class security and a commercial BIOS kit give IT teams the reliability and control corporate fleets demand.
 
PCIe 5.0 SafeSlot + dual M.2
A reinforced PCIe 5.0 x16 SafeSlot and a second PCIe 4.0 x16 (@x4), plus M.2_1 (PCIe 5.0 x4) and M.2_2 (PCIe 4.0 x4) and four SATA ports, cover graphics and storage needs.
 
High-capacity DDR5
Four DDR5 DIMM slots support up to 256GB with speeds up to 8666+ MT/s (OC) and CUDIMM support for demanding professional workloads.
 
Office-ready display & USB
Dual DisplayPort and HDMI drive multiple monitors from integrated graphics, while USB 10GBps Type-C and Type-A handle fast peripherals.

Technical Specifications

Identification
Part Number 90MB1MCP-M0EAYC
EAN / GTIN 4711636114684
Model ASUS Pro B860M-C-CSM
Brand ASUS
Platform
Chipset Intel B860
Socket LGA 1851
CPU Support Intel Core Ultra (Series 1 & Series 2) desktop
Form Factor Micro-ATX
Program CSM — Corporate Stable Model
Memory
Slots 4× DDR5 DIMM (Dual-Channel)
Max Capacity 256GB
Speed Up to 8666+ MT/s (OC), CUDIMM/UDIMM
Expansion & Storage
PCIe Slots 1× PCIe 5.0 x16 SafeSlot + 1× PCIe 4.0 x16 (@x4)
M.2 M.2_1 PCIe 5.0 x4 + M.2_2 PCIe 4.0 x4
SATA 4× SATA 6GB/s — RAID 0/1/5/10
Connectivity & I/O
LAN Intel 1GBE with ASUS LANGuard (RJ-45)
Display Out 2× DisplayPort + 1× HDMI (integrated graphics)
Rear USB 1× USB 10GBps Type-C, 1× USB 10GBps Type-A, 2× USB 2.0
Audio HD Audio
Other
Security Self-recovering BIOS, ASUS Event Log, commercial BIOS kit
Colour Black
Operating System Windows 11 64-bit

Frequently Asked Questions

Which CPUs work with the ASUS Pro B860M-C-CSM?
It supportsIntel Core Ultra Series 1 and Series 2 desktop processors on the LGA 1851 socket. Older LGA 1700 chips (12th/13th/14th Gen Core) are not compatible.
What makes this a business motherboard?
As an ASUS Pro CSM (Corporate Stable Model) board it adds business features such as a self-recovering BIOS, ASUS Event Log, commercial BIOS kit and extended availability — ideal for IT-managed corporate fleets.
How many monitors can it drive?
Using integrated graphics it offers dual DisplayPort plus HDMI, supporting a multi-monitor office setup directly from the motherboard.
Does it support PCIe 5.0 storage and graphics?
Yes. It has a PCIe 5.0 x16 SafeSlot for graphics and a PCIe 5.0 x4 M.2_1 slot for the fastest NVMe SSDs, plus a second PCIe 4.0 M.2.
Singular Expert Insight
The Pro B860M-C-CSM is built for the office, not the gaming bench — its value is in commercial features (self-recovering BIOS, event logging, manageability) and steady availability, while still offering PCIe 5.0 graphics and storage. If you want the same business platform in full ATX with triple M.2, the Prime B860-PLUS-CSM is the step up; consumers focused on gaming should look at a standard B860 board instead. Pair it with a reliable internal NVMe SSD for fast, dependable storage.

Buyer's Guide

Buy it if
You want a secure, manageable micro-ATX board for businessIntel Core Ultra desktops with PCIe 5.0, dual M.2 and multi-monitor ouTPUt.
Skip it if
You want gaming features, Wi-Fi, 2.5GBE or a compact build — choose a consumer B860 or a Wi-Fi model instead.
Also consider
The ASUS Prime B860-PLUS-CSM for a full-ATX business board with triple M.2 and faster USB.