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ASUS PRO B550M-C/CSM AM4 AMD B550 SATA 6Gb/s USB 3.0 HDMI Micro ATX AMD Motherboard

OPEN BOX Product Type
  • AMD B550
  • AMD AM4 Socket for AMD Ryzen 5000 Series / 4000 G-Series / 3000 Series Desktop Processors
  • AMD Ryzen 5000 Series/3000 Series Desktop Processors
  • DDR4 4600(O.C)/ 4400(O.C)/ 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3333(O.C.)/ 3200/ 3000/ 2800/ 2666/ 2400/ 2133 MHz Un-buffered Memory
  • AMD Ryzen 4000 G-Series Desktop Processors
  • DDR4 4800(O.C.)/ 4600(O.C)/ 4466(O.C.)/ 4400(O.C)/ 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3333(O.C.)/ 3200/ 3000/ 2800/ 2666/ 2400/ 2133 MHz Un-buffered Memory
The Open Box Product Disclaimer applies to this product. Please note that this product is non-returnable and non-refundable.
Overview
Specs

AMD B550 (Ryzen AM4) micro ATX business motherboard with enhanced security, reliability and manageability. Dual M.2, PCIe 4.0, 1 Gb Ethernet, dual DP/HDMI, SATA 6 Gbps, USB 3.2 Gen 2 Type-C®.

  • AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
  • Ultrafast connectivity: Dual M.2, PCIe 4.0, 1 Gb Ethernet, USB 3.2 Gen 2 Type-C®
  • ASUS-exclusive self-recovering BIOS technology for automatic system BIOS recovery from a verified backup
  • Innovative moisture-resistant coating to protect the motherboard from harsh environments
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 an integrated IT monitoring and management software designed to deploy faster, simplify IT operations and improve productivity with comprehensive control and user-friendly functions. ASUS Control Center Express is compatible with over 100 ASUS motherboards to provide a high-quality, TCO-optimized solution for your business needs.

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
  1. 2 x DisplayPorts
  2. HDMI™ port
  3. 2 x USB 2.0 ports
  4. 2 x USB 3.2 Gen 2 ports
    (1х Туре-А + 1 х USB Tуpe-C®)
  5. Realtek LAN
  6. 2 x USB 3.2 Gen 1 ports
  1. 3 x Audio jacks
  2. PCle 4.0/3.0 x16 slot
  3. PCle 3.0 x4 slot
  4. PCI Slot
  5. DDR4 support
  6. AMD AM4 Socket
  7. 4 x USB 3.2 Gen 1 ports
  1. M.2, support PCle 4.0/3.0 x4 & SATA mode
  2. M.2 Wi-Fi Key E slot
  3. AMD B550 chipset
  4. M.2 support PCle 3.0 x4 & SATA mode
  5. 4 x SATA 6 Gb/s

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.

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.

ASUS Secure Boot

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

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 Self-recovering BIOS

With ASUS Self-recovering BIOS
The user simply needs one step to restore the latest BIOS update.

Benefits

  • 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 needs four steps to reinstall the BIOS update:

ASUS Reliant

Ensures consistent performance with the finest components and rigorous reliability testing

ASUS Trouble Shooting Solution

ASUS Debug header is a 10-1 pin low pin count (LPC) header for connecting to debug cards for faster, more efficient motherboard troubleshooting. When connected to an ASUS Debug Card, administrators can view error and debugging codes on the integrated LCD display, and get better idea of initialization and recovery processes. ASUS business motherboards provide a complete troubleshooting solution, making mass production faster and more cost-effective.
* Please contact your local sales representative for debug card information.

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.

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

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.

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.
* ESD result is undertaken by individual LANGuard.

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.

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.

ESD Guards

Electrostatic discharge protection

ASUS ESD Guards prevent damage from electrostatic discharge, up to +/-10 kV for air discharge and +/-15 kV for contact discharge, arranged in an active-protective-circuit design that prolongs the life of components.
  1. USB Connectors
  2. DP, D-SUB, DVI, HDMI port
  1. Keyboard & mouse
  2. USB headers

ASUS Management Suite

Makes customization and management more efficient



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 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

Customize the BIOS options

BIOS Boot Logo Tool

Brand your builds with a customized boot logo

OEM Activation (OA) Tools

Add or remove the OEM Activation key

Desktop Management Interface (DMI)

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

Intel® Management Engine (Intel® ME) Driver

Update the Management Engine without flashing the whole BIOS

Easy Assembly

Box Headers

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

Fixed-position Connectors

Connector positions on ASUS business motherboards remain consistent across product generations, protecting training, manufacturing and investments in supporting hardware.
  • Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
  • All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
  • Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
  • PCB color and bundled software versions are subject to change without notice.
  • Brand and product names mentioned are trademarks of their respective companies.
  • Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
  • *Precise specifications and features vary by model. Please refer to the specification page
  • The product (electrical, electronic equipment, Mercury-containing button cell battery) should not be placed in municipal waste. Check local regulations for disposal of electronic products.
  • The use of trademark symbol (TM, ®) appears on this website means that the word text, trademarks, logos or slogans, is being used as trademark under common laws protection and/or registered as Trademark in U.S. and/or other country/region.
About ASUS

ASUS aspires to deliver the incredible in everything it does. With more than 17,000 employees around the globe with a world-class R&D team of 5,500 engineers, ASUS is dedicated to the design and manufacture of products that perfectly meet the needs of today’s (and tomorrow’s) digital home and office. ASUS’ broad portfolio includes motherboards, graphics cards, displays, desktop PCs, all-in-one PCs, laptops, servers, wireless networking devices, tablets, smartphones and wearables. Driven by innovation and committed to quality, the company won 4,385 awards and earned approximately US$13.3 billion of revenue in 2016.

© 2020 ASUS Computer International. All Rights Reserved. ASUS is a registered trademark of ASUSTeK Computer. All specifications and terms are subject to change without notice. Please check with your supplier for exact offers on selected models. Products may not be available in all markets. Product may not be exactly as shown in photos. Actual colors may differ from their appearance due to variation of monitor restrictions and color processing. All trademarks are registered to their respective companies. ASUS shall not be liable for technical or editorial errors or omissions contained herein.

AMD B550 (Ryzen AM4) micro ATX business motherboard with enhanced security, reliability and manageability. Dual M.2, PCIe 4.0, 1 Gb Ethernet, dual DP/HDMI, SATA 6 Gbps, USB 3.2 Gen 2 Type-C®.

  • AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
  • Ultrafast connectivity: Dual M.2, PCIe 4.0, 1 Gb Ethernet, USB 3.2 Gen 2 Type-C®
  • ASUS-exclusive self-recovering BIOS technology for automatic system BIOS recovery from a verified backup
  • Innovative moisture-resistant coating to protect the motherboard from harsh environments
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 an integrated IT monitoring and management software designed to deploy faster, simplify IT operations and improve productivity with comprehensive control and user-friendly functions. ASUS Control Center Express is compatible with over 100 ASUS motherboards to provide a high-quality, TCO-optimized solution for your business needs.

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
  1. 2 x DisplayPorts
  2. HDMI™ port
  3. 2 x USB 2.0 ports
  4. 2 x USB 3.2 Gen 2 ports
    (1х Туре-А + 1 х USB Tуpe-C®)
  5. Realtek LAN
  6. 2 x USB 3.2 Gen 1 ports
  1. 3 x Audio jacks
  2. PCle 4.0/3.0 x16 slot
  3. PCle 3.0 x4 slot
  4. PCI Slot
  5. DDR4 support
  6. AMD AM4 Socket
  7. 4 x USB 3.2 Gen 1 ports
  1. M.2, support PCle 4.0/3.0 x4 & SATA mode
  2. M.2 Wi-Fi Key E slot
  3. AMD B550 chipset
  4. M.2 support PCle 3.0 x4 & SATA mode
  5. 4 x SATA 6 Gb/s

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.

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.

ASUS Secure Boot

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

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 Self-recovering BIOS

With ASUS Self-recovering BIOS
The user simply needs one step to restore the latest BIOS update.

Benefits

  • 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 needs four steps to reinstall the BIOS update:

ASUS Reliant

Ensures consistent performance with the finest components and rigorous reliability testing

ASUS Trouble Shooting Solution

ASUS Debug header is a 10-1 pin low pin count (LPC) header for connecting to debug cards for faster, more efficient motherboard troubleshooting. When connected to an ASUS Debug Card, administrators can view error and debugging codes on the integrated LCD display, and get better idea of initialization and recovery processes. ASUS business motherboards provide a complete troubleshooting solution, making mass production faster and more cost-effective.
* Please contact your local sales representative for debug card information.

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.

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

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.

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.
* ESD result is undertaken by individual LANGuard.

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.

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.

ESD Guards

Electrostatic discharge protection

ASUS ESD Guards prevent damage from electrostatic discharge, up to +/-10 kV for air discharge and +/-15 kV for contact discharge, arranged in an active-protective-circuit design that prolongs the life of components.
  1. USB Connectors
  2. DP, D-SUB, DVI, HDMI port
  1. Keyboard & mouse
  2. USB headers

ASUS Management Suite

Makes customization and management more efficient



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 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

Customize the BIOS options

BIOS Boot Logo Tool

Brand your builds with a customized boot logo

OEM Activation (OA) Tools

Add or remove the OEM Activation key

Desktop Management Interface (DMI)

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

Intel® Management Engine (Intel® ME) Driver

Update the Management Engine without flashing the whole BIOS

Easy Assembly

Box Headers

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

Fixed-position Connectors

Connector positions on ASUS business motherboards remain consistent across product generations, protecting training, manufacturing and investments in supporting hardware.
  • Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
  • All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
  • Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
  • PCB color and bundled software versions are subject to change without notice.
  • Brand and product names mentioned are trademarks of their respective companies.
  • Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
  • *Precise specifications and features vary by model. Please refer to the specification page
  • The product (electrical, electronic equipment, Mercury-containing button cell battery) should not be placed in municipal waste. Check local regulations for disposal of electronic products.
  • The use of trademark symbol (TM, ®) appears on this website means that the word text, trademarks, logos or slogans, is being used as trademark under common laws protection and/or registered as Trademark in U.S. and/or other country/region.
About ASUS

ASUS aspires to deliver the incredible in everything it does. With more than 17,000 employees around the globe with a world-class R&D team of 5,500 engineers, ASUS is dedicated to the design and manufacture of products that perfectly meet the needs of today’s (and tomorrow’s) digital home and office. ASUS’ broad portfolio includes motherboards, graphics cards, displays, desktop PCs, all-in-one PCs, laptops, servers, wireless networking devices, tablets, smartphones and wearables. Driven by innovation and committed to quality, the company won 4,385 awards and earned approximately US$13.3 billion of revenue in 2016.

© 2020 ASUS Computer International. All Rights Reserved. ASUS is a registered trademark of ASUSTeK Computer. All specifications and terms are subject to change without notice. Please check with your supplier for exact offers on selected models. Products may not be available in all markets. Product may not be exactly as shown in photos. Actual colors may differ from their appearance due to variation of monitor restrictions and color processing. All trademarks are registered to their respective companies. ASUS shall not be liable for technical or editorial errors or omissions contained herein.

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies

  • Return for refund within: non-refundable, this item is Final Sale
  • Return for replacement within: non-replaceable, this item is Final Sale
  • This item is covered by Newegg.ca's Final Sale Return Policy. Read full return policy for details.

Open Box Product Disclaimer

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