Micro-ATX B660 business motherboard with enhanced security, reliability, manageability and serviceability
  • Intel® LGA 1700 socket: Ready for 12th Gen Intel CoreTM processors
  • 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 and TPM to safeguard PCs
  • Consistent and reliable performance: High-quality components and rigorous testing to help ensure durability in harsh environments
  • Efficient management and customization: An event log and commercial BIOS kit to enable easy maintenance
  • Better serviceability: Q-LED diagnostic display and COM debug header to facilitate building and support processes
Pro B660M-C D4-CSM
Pro Logo
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.
Pro Q670M-C-CSM Pro Q670M-C-CSM
  • PS/2 mouse

  • PS/2 keyboard

  • HDMI

  • Dual DP

  • D-Sub

  • USB 3.2 Gen 1

  • USB 2.0

  • Ethernet

  • Audio

  • PCIe 4.0 x16 slot

  • M.2 slot (Key E) (Support CNVi & PCIe)

  • Mono-out header

  • SMBUS header

  • 2 x PCIe 3.0 x1 slots

  • 2 x COM headers

  • LPT

  • DDR4 5000(OC)

  • Intel® Socket LGA1700

  • 1 x Front USB 3.2 Gen 1 header

  • 1 x Front USB 3.2 Gen 1 connector
    (suppports USB Type-C®)

  • M.2 2280(PCIe 4.0 x4 mode)

  • 4 x SATA 6Gb/s ports

  • Intel® B660 Chipset

  • M.2 2280 (PCIe 4.0 x4 mode)

  • TPM IC onboard

  • COM Debug header

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.

Learn more about ASUS Corporate Stable Model
ASUS Corporate Stable Model
ASUS Control Center Express

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 – a US$60

Learn more about ASUS 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

* 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.

International safety and environmental certifications

PCIe 4.0

This business motherboard is specially designed for 12th Gen Intel® Core™ processors and offer PCIe® 4.0 connectivity for storage devices and graphics cards. Wide bandwidth and superfast transmission speeds empower you to create feature-rich builds that deliver optimal performance wherever it’s needed.
PCIe 4.0

ASUS Shield

Enhances system security from bottom to top

  • ASUS Self-recovering BIOS

    ASUS-exclusive BIOS protection technology automatically recovers the system BIOS with a verified backup in the event of an update failure, preventing the need to replace or reinstall hardware.
    LEARN MORE
  • Trusted Platform Module(TPM)

    Hardware-based security offers better data protection, enhances network security, protects digital identities and ensures platform integrity.
  • Certified NIST SP 800-147

    ASUS Business motherboard is certified by the national computer security standards.
  • ASUS Secure Boot

    ASUS business motherboard is set to check the firmware and signature of each piece of boot software.

ASUS Self-recovering BIOS

With ASUS Self-recovering BIOS

The user simply needs to reboot the system and ASUS Self-recovering BIOS will restore the latest BIOS update.
With ASUS Self-recovering BIOS
  • Ensures safe BIOS updates

  • Reduces maintenance frequency and costs

  • Requires no extra software

  • Provides automatic update failure detection and recovery


Standard process for BIOS update crash recovery

The user must go through the following steps to reinstall the BIOS update:
Standard process for BIOS update crash recovery

ASUS Reliant

Ensures consistent performance with the finest components and rigorous reliability testing

Anti-moisture Coating

Anti-moisture Coating

Protection against moisture and corrosion

An innovative moisture-resistant coating protects the motherboard in humid environments, such as factories, libraries, data centers and internet cafes. It also minimizes internal corrosion by preventing adhesion and migration of moisture, prolonging the life of the motherboard.

Anti-sulfur Resistors

Anti-sulfur Resistors

Consider long-term reliability of commercial product, ASUS Business motherboard is equipped with anti-sulfur resistors. The resistors provide excellent resistance to sulfuration by constructed in a high grade ceramic body (aluminum oxide). With anti-sulfur resistors, ASUS Business motherboard can be operated under the harsh environments.

Stainless-Steel Back I/O

Stainless-Steel Back I/O

3X corrosion-resistance for greater durability

Corrosion-resistant stainless steel back I/O panels bonded with chromium oxide have a lifespan that's three times longer than ordinary panels.

Overvoltage Protection

Overvoltage Protection

World-class circuit-protecting power design

An exclusive circuit design with built-in voltage regulators to protect your chipset, connectivity ports, and audio codecs from damage caused by unexpected high-level voltages from unstable or inferior power supplies.

ESD Guards

Electrostatic discharge protection

ASUS ESD Guards prevent damage from electrostatic discharge, up to +/- 10kV for air discharge and +/-15kV for contact discharge, arranged in an active-protective-circuit design that prolongs the life of components.
ESD Guards

LANGuard

Pumped-up throughput. 2.5X higher surge tolerance.

ASUS LANGuard is hardware-level networking protection that employs signal-coupling technology and premium anti-EMI surface-mounted capacitors ensuring a more reliable connection and better throughput, plus electrostatically guarded and surge-protected components for greater tolerance to static electricity and improved protection against surges.
LANGuard
24/7 Reliability Test

24/7 Reliability Test

Optimized for twenty-four seven operations, the motherboard is tested under temperature up to 45°C and relative humidity up to 80% to ensure it can handle diverse temperature and humidity range of different location.

ASUS Management Suite

Make IT work more efficiency!

Event Log

Event Log

A built-in event log enables easier troubleshooting by capturing useful system information
  • BIOS updates

    Update status, latest version and update time

  • AC power loss

    Abnormal power loss events

  • RTC reset

    Time of real-time-clock (RTC) reset

  • Chassis intrusion

    Record of when chassis is opened

  • Hardware changes

    Modifications to CPU, memory or HDDs

  • Hardware status

    USB over current, CPU over temperature, and CPU over voltage events

ASUS Commercial BIOS Kit

ASUS Commercial BIOS Kit

ASUS understands how important a customized product impacts users' mind share, experience the brand new Commercial BIOS Kit for partial BIOS update solution!
  • BIOS Value Edit Tool BIOS Value Edit Tool

    Customize the BIOS options

  • BIOS Boot Logo Tool BIOS Boot Logo Tool

    Brand your builds with a customized boot logo

  • OEM Activation (OA) Tools OEM Activation (OA) Tools

    Add or remove the OEM Activation key

  • Desktop Management Interface (DMI) Desktop Management Interface (DMI)

    Easily add customer information, such as company name, to the BIOS

  • Intel® Management Engine (Intel® ME) Driver Intel® Management Engine (Intel® ME) Driver

    Update the Management Engine without flashing the whole BIOS

* Please contact with local FAE for commercial BIOS kit.

Remote IT Management

The onboard SMBUS header* connects to a DASH LAN card for remote IT management. DASH is a desktop and mobile architecture system hardware that allows the motherboard to be managed via the network.

Remote IT Management

* ASUS DASH LAN card sold separately. For more information, please contact your local ASUS sales representative.



ASUS Serviceability

Facilitate the assembly process and enable efficient troubleshooting

Q-LED Core

The Q-LED Core display produces light patterns by power LED during the Power-On Self-Test (POST) that can help users troubleshoot potential issues.
No DRAM Detected
No DRAM Detected No DRAM Detected
Fast blinking

4 Hz (0.25s)

No VGA Detected
No VGA Detected No VGA Detected
Slow blinking

1/2 Hz (2s)

No Boot Device Detected
No Boot Device Detected No Boot Device Detected
Very slow blinking

1/8 Hz (8s)

Installation Completed
Installation Completed Installation Completed
Solid light
ASUS COM Debug Header

ASUS COM Debug Header

This 6-1 pin COM debug header allows for faster and more efficient motherboard troubleshooting. IT administrators can view error and debugging codes to get a better idea of initialization and recovery processes when connecting to a debug card*.

*Third-party debug card sold separately.

Box Headers

Box Headers

All USB headers are box style, enabling fast connector installation and preventing pin damage.
Fixed-position Connectors

Fixed-position Connectors

Connector positions on ASUS Business motherboards remain consistent across product generations, protecting training, manufacturing and investments in supporting hardware.
Related products
previous image
next image
comparison icon
Compare (0)