| Weight | 2.5 lbs |
|---|---|
| Dimensions | 11 × 11 × 3 in |
| Brand | ASUS |
| Part Number | 90MB1MBM-MVAAYC |
| CPU Socket Type | LGA 1851 |
| CPU Type | Intel Core Ultra Processors (Series 2) |
| Chipset | Intel B860 |
| Number of Memory Slots | 4x288pin (DDR5) |
| Memory Standard | Supports up to 8666+ MT/s(OC) |
| Maximum Memory Supported | 256GB |
| Channel Supported | Dual Channel |
| Memory Performance Profile | Intel XMP 3.0 |
| Memory Feature | 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 (AEMP III) |
| PCI Express 5.0 x16 | 1 x PCI Express 5.0 x16 |
| PCI Express 4.0 x16 | 1 x PCIe 4.0 x16 slot (supports x4 mode) |
| PCI Express x1 | 1 x PCIe 4.0 x1 slot |
| Serial ATA (SATA) | 4 x SATA 6Gb/s |
| M.2 | 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 modes) |
| SATA RAID | Intel Rapid Storage Technology supports SATA RAID 0/1/5/10. |
| Audio Channels | 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 * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. |
| Max LAN Speed | 1Gbps |
| Wireless LAN | M.2 slot only 2230 (Key E, CNVi & PCIe)* *Wi-Fi module is sold separately. |
| Back I/O Ports | 1 x USB 10Gbps port (1 x USB Type-C) 1 x USB 10Gbps port (1 x Type-A) 2 x USB 2.0 ports (2 x Type-A ) 2 x DisplayPort 1 x HDMI port 1 x PS/2 keyboard (purple) port 1 x PS/2 mouse (green) port 1 x Intel 1Gb Ethernet 3 x Audio jacks |
| Onboard USB | 1 x USB 10Gbps 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 |
| Other Connectors | Fan and Cooling Related 1 x 4-pin CPU Fan header 2 x 4-pin Chassis Fan headers Miscellaneous 1 x Clear CMOS header 1 x Chassis Intrude header 2 x COM Port headers 1 x Front Panel Audio header (AAFP) 1 x COM debug header 1 x LPT header 1 x Mono-Out Audio header (with Amp IC) 1 x M |
| BIOS Feature | 256 (128+128) Mb Flash ROM, UEFI AMI BIOS |
| Software | ASUS Exclusive Software ASUS DriverHub UEFI BIOS ASUS EZ DIY – ASUS CrashFree BIOS 3 – ASUS EZ Flash – ASUS MyHotkey |
| Windows 11 | Windows 11 (22H2 & later), Windows 10 64-bit (21H2 & later) |
| Form Factor | Micro ATX |
| Dimensions (W x L) | 9.6" x 9.6" |
| Power Pin | 1 x 24-pin Main Power connector 1 x 8-pin +12V CPU Power connector |
| Features | ASUS Q-Design – Q-LED Core – Q-Slot ASUS Thermal Solution – Aluminum heatsink design ASUS EZ DIY – Box headers – Dual DIMM clips – SafeSlot Bespoke Motherboard Design & Business Focused Features – ASUS Self-Recovering BIOS – ASUS Event Log – ASUS Commercial BIOS Kit* – Anti-m |
| Package Contents | Cables 2 x SATA 6Gb/s cables Miscellaneous 1 x Screw package for M.2 SSD 1 x I/O Shield 1 x M.2 Key E screw package Documentation 1 x ACC Express Activation Key Card 1 x Quick start guide |
| MPN | PRO B860M-CT-CSM |
| UPC | 199291107182 |
ASUS PRO B860M-CT-CSM LGA 1851
Original price was: $183.49.$146.79Current price is: $146.79.
Save 20%Sale ends Dec 23Ready for Advanced AI PCs: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications Intel LGA 1851 Socket: Ready for Intel Core Ultra Processors (Series 2)
In stock
- Free shipping on orders $49+ Standard Ground $4.00 on orders under $49. Ships in 1–2 business days (order by 5:00 PM CT on a business day to start today), then 3–5 business days in transit.
- 30-day returns We pay return shipping on defective, damaged or wrong items. No restocking fee.
- Manufacturer warranty New and factory sealed, with the full manufacturer's warranty.
- Secure checkout Visa, Mastercard, American Express and Discover.
Overview
Micro-ATX B860 business motherboard with enhanced security, reliability, manageability and serviceability
Ready for Advanced AI PCs: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications Intel® LGA 1851 Socket: Ready for Intel® Core™ Ultra Processors (Series 2) ASUS CSM Program: A stable motherboard supply, end-of-life notifications, and IT software for business motherboards ASUS Control Center Express: Integrated IT monitoring and management software that simplifies enterprise-level system administration Enhanced System Security: A self-recovering BIOS, TXT, TPM to safeguard PCs and NIST SP 800-193 compliance Consistent and Reliable Performance: High-quality components and rigorous testing to help ensure durability in harsh environments Ef

ASUS Pro business motherboards provide enhanced features to smooth your IT operations, including comprehensive system protection, 24/7 stability and reliability and an improved management suite for easier customization. Known as the world's biggest and best-known motherboard brand, ASUS provides world-class after-sales service and long-term availability to maximize your investment over the product life cycle and offers a high-quality, TCO-optimized solution for your business computing-needs.
HDMI® DisplayPort™ USB 10 Gbps(Type-A) USB 10 Gbps(Type-C®) PS/2 Ethernet 2 x USB 2.0 Audio
1 x PCIe® 5.0 x16 SafeSlot 1 x PCIe® 4.0 x1 slot 1 x PCIe® 4.0 x16 slot (supports x4 mode) M.2 E Key Mono-Out Audio header 2 x COM Port headers DDR5 Supports Intel® Core™ Ultra Processors (Series 2), LGA1851 2 x Front USB 5 Gbps
1 x Front USB 10 Gbps Type-C® M.2_1 slot (PCIe® 5.0 x4 mode) Intel® B860 Chipset M.2_2 slot (PCIe® 4.0 x4 mode) SMBUS header 4 x SATA 6 Gb/s 4 x Front USB 2.0 LPT header
ASUS Corporate Stable Model
(CSM) is a commercial program designed to provide stable and reliable motherboards. Offering up to 36-month product lifecycle support and 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Center Express – server-grade IT management software.

ASUS Control Center Express
is a real-time IT monitoring and management tool designed for business that improves productivity and enhances security, helping prevent unauthorized access and data leaks. The intuitive dashboard enables easy, real-time hardware and software management across your organization.

Optimize IT endpoint management
Designed to assist IT staff in monitoring and controlling devices within their corporate networks, and facilitate inventory checking in multiple locations remotely
Automate IT maintenance
Allows IT staff to schedule automatic updates of the latest BIOS, software and utilities to specific or all devices at off-peak times, enhancing system stability and IT operational flexibility
Securely manage all of endpoints
Securely manage endpoint configuration, portable storage access and PC software applications by enabling them to create grouping rules on individual devices
* ASUS Control Center Express is only available for CSM motherboards. Please consult your local sales representative for more information.
Internationally Certified Business Motherboard
ASUS Business motherboards are enterprise proven with leading quality that exceeds industry standards. Certified by multiple international safety and environmental organizations, ASUS Business motherboards provide a safe, secure and sustainable solution, making them the ideal choice for your business.

















