Asus

Asus Pro B860M-CT-CSM Desktop Motherboard - Intel B860 Chipset - Socket LGA-1851 - Micro ATX (299990)

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SKU:
21203433
MPN:
299990
Availability:
Usually ships the same or next business day. In stock at our CA, GA, IL, PA warehouses.
Shipping:
Calculated at Checkout
Stock Update:
03/15/2026 04:08:48 AM PST
$174.34

Bulk discount rates

Below are the available bulk discount rates for each individual item when you purchase a certain amount

Buy 2 - 3 and pay only $168.20 each 168.2
Buy 4 - 6 and pay only $164.50 each 164.5
Buy 7 or above and pay only $161.40 each 161.4
Stock Update:
03/15/2026 04:08:48 AM PST

Description



This item is brand-new, factory sealed.

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
Efficient Management and Customization: BIOS EZ Deploy, an event log and commercial BIOS kit to enable easy maintenance
Better Serviceability: Q-LED Core diagnostic display and COM debug header to facilitate building and support processes
Ultrafast Connectivity: PCIe 5.0, DDR5, rear and front USB 10Gbps Type-C
DIY Friendly Design: SafeSlot, Dual DIMM clips, Box headers
Model
Pro B860M-CT-CSMNews and Updates
Please visit our GLOBAL website to check and download the latest updates.CPU
Supports Intel Core Ultra Processors (Series 2), LGA1851
Supports Intel Turbo Boost Technology 2.0 and Intel Turbo Boost Max Technology 3.0
Refer to https://www.asus.com/support/download-center/ for CPU support list.
Intel Turbo Boost Max Technology 3.0 support depends on the CPU types.Chipset
Intel B860 ChipsetMemory
4 x DIMM slots, max. 256GB, DDR5, dual DIMM clips
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)
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/.
Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.Graphics
2 x DisplayPort
1 x HDMI port
Graphics specifications may vary between CPU types. Please refer to www.intel.com for any updates.
DP1 Supports max. 4K at 60Hz and DP2 Supports max. 8K at 30Hz as all specified in DisplayPort 1.4
Supports 4K at 60Hz as specified in HDMI 2.1.
VGA resolution support depends on processors or graphic cards resolution.
While installing the operating system, please ensure that your monitor is connected to the HDMI port on the back I/O panel or to a discrete graphics card.Expansion Slots
Intel Core Ultra Processors(series 2)
1 x PCIe 5.0 x16 SafeSlot
Intel B860 Chipset
1 x PCIe 4.0 x16 slot (supports x4 mode)
1 x PCIe 4.0 x1 slot
- 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 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)
4 x SATA 6Gb/s ports
Intel Rapid Storage Technology supports SATA RAID 0/1/5/10.Ethernet
1 x Intel1Gb
ASUS LANGuard
With Intel I219-V LAN, Wake-on-LAN is not supported in S5 after the system transitions from G3.Wireless and Bluetooth
M.2 slot only 2230 (Key E, CNVi and PCIe)
Wi-Fi module is sold separately.USB
Rear USB (Total 4 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)
Front USB (Total 7 ports)
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 portsAudio
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.Back Panel 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 jacksInternal 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 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
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.2 slot (Key E)
1 x Speaker header
1x SMBUS header
1 x 10-1 pin Front Panel System header
1x SPI header(14-5 pin)Special 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 and Business Focused Features
- ASUS Self-Recovering BIOS
- ASUS Event Log
- ASUS Commercial BIOS Kit
- Anti-moisture coating
- BIOS EZ Deploy
- 24/7 reliability
- Overcurrent protection
TXT support
TPM IC onboard
Please contact local FAE for Commercial BIOS kit.Software Features
ASUS Exclusive Software
ASUS DriverHub
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash
- ASUS MyHotkeyRemote Management Features
IT Management software supported
- ASUS Control Center Express (ACCE)
Ready for ASUS DASH LAN Card
1 x SMBUS header
ASUS DASH LAN Card is sold separately.BIOS
256 (128+128) Mb Flash ROM, UEFI AMI BIOSManageability
WOL by PME, PXEAccessories
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

Package Contents:
  • Pro B860M-CT-CSM Desktop Motherboard
  • 2 x SATA 6Gb/s cables
  • 1 x Screw package for M.2 SSD
  • 1 x I/O Shield
  • 1 x M.2 Key E screw package
  • 1 x ACC Express Activation Key Card
  • 1 x Quick start guide

Features

Package Contents:   
  • Pro B860M-CT-CSM Desktop Motherboard
  • 2 x SATA 6Gb/s cables
  • 1 x Screw package for M.2 SSD
  • 1 x I/O Shield
  • 1 x M.2 Key E screw package
  • 1 x ACC Express Activation Key Card
  • 1 x Quick start guide

 

Environmental Compliance:

Restriction of Hazardous Substances (RoHS)
Taiwan Restriction of Hazardous Substances (Taiwan RoHS)

 

Brand Compatibility:   
Intel

 

Specs

Physical Characteristics
Form FactorMicro ATX
Width9.6"
Depth9.6"
Warranty
Limited Warranty3 Year
I/O Expansions
Number of PCI Express x1 Slots1
Total Number of Expansion Slots3
PCI Express Standard
Number of PCI Express x16 Slots2
Total Number of PCI Express Slots3
Memory
Memory TechnologyDDR5 SDRAM
Number of Memory Slots4
Memory Speed Supported8666 MHz
Memory Form Factor
Maximum Memory Supported256 GB
Error CheckingECC
General Information
Brand NameAsus
Manufacturer Website Addresshttp://usa.asus.com
Marketing InformationMicro-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
Efficient Management and Customization:
BIOS EZ Deploy, an event log and commercial BIOS kit to enable easy maintenance
Better Serviceability:
Q-LED Core diagnostic display and COM debug header to facilitate building and support processes
Ultrafast Connectivity:
PCIe 5.0, DDR5, rear and front USB 10Gbps Type-C
®
DIY Friendly Design:
Safe Slot, Dual DIMM clips, Box headers
PRO
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 guaranteed 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.
ASUS Corporate Stable Model
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
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. Purchase of a Pro motherboard entitles you to a copy of Control Center Express.
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
Product TypeDesktop Motherboard
Product NamePro B860M-CT-CSM Desktop Motherboard
ManufacturerASUS Computer International
Manufacturer Part NumberASUS PRO B860M-CT-CSM
Product ModelB860M-CT-CSM
Product LinePro
Processor & Chipset
Chipset ManufacturerIntel
Processor SupportedCore Ultra
Total Processor Supported1
Processor SocketSocket LGA-1851
Chipset ModelB860
Technical Information
AI-poweredYes
Onboard Interfaces
Number of SATA Interfaces4
Total Number of Onboard USB Ports7
Number of M.2 Interfaces2
Number of Onboard USB 2.0 Ports4
Interfaces/Ports
VGAYes
HDMI Version<li>2.1</li>
DisplayPortYes
HDMIYes
Total Number of USB Ports4
Number of Network (RJ-45) Ports1
I/O Controller
RAID SupportedYes
Controller TypeSerial ATA/600
RAID Levels
Video
Onboard VideoCPU Dependent Video
Network & Communication
Gigabit EthernetYes
Audio
Audio Channels7.1

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Asus Pro B860M-CT-CSM Desktop Motherboard - Intel B860 Chipset - Socket LGA-1851 - Micro ATX (299990)
$174.34