General Information

Manufacturer:   ASUS Computer International
Manufacturer Part Number:   PRO B550M-C/CSM
Brand Name:   Asus
Product Series:   PRO
Product Model:   PRO B550M-C/CSM
Product Name:   PRO B550M-C/CSM Desktop Motherboard

Marketing Information:  

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.

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 ShieldEnhances 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 ShieldEnhances 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

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.

Product Type:   Desktop Motherboard

Processor & Chipset

Chipset Manufacturer:   AMD
Total Processor Supported:   1
Processor Socket:   Socket AM4
Processor Supported:   Athlon
Processor Supported:   Athlon PRO
Processor Supported:   Ryzen 3
Processor Supported:   Ryzen 3 PRO
Processor Supported:   Ryzen 5
Processor Supported:   Ryzen 5 Pro
Processor Supported:   Ryzen 7
Processor Supported:   Ryzen 7 PRO
Processor Supported:   Ryzen 9
Processor Supported:   Ryzen 9 PRO

Memory

Number of Memory Slots:   4
Memory Form Factor:   DIMM
Memory Form Factor:   UDIMM
Maximum Memory Supported:   128 GB
Memory Technology:   DDR4 SDRAM
Memory Speed Supported:   2133 MHz
Memory Speed Supported:   2400 MHz
Memory Speed Supported:   2666 MHz
Memory Speed Supported:   2800 MHz
Memory Speed Supported:   3000 MHz
Memory Speed Supported:   3200 MHz
Memory Speed Supported:   3333 MHz (O.C.)
Memory Speed Supported:   3466 MHz (O.C.)
Memory Speed Supported:   3600 MHz (O.C.)
Memory Speed Supported:   3733 MHz (O.C.)
Memory Speed Supported:   3866 MHz (O.C.)
Memory Speed Supported:   4000 MHz (O.C.)
Memory Speed Supported:   4133 MHz (O.C.)
Memory Speed Supported:   4266 MHz (O.C.)
Memory Speed Supported:   4400 MHz (O.C.)
Memory Speed Supported:   4600 MHz (O.C.)
Memory Speed Supported:   4800 MHz (O.C.)

I/O Controller

Controller Type:   Serial ATA/600
RAID Supported:   Yes
RAID Levels:   0
RAID Levels:   1
RAID Levels:   10

Video

Onboard Video:   CPU Dependent Video

Audio

Audio Channels:   7.1

Network & Communication

Gigabit Ethernet:   Yes

I/O Expansions

Number of Total Expansion Slots:   3
Total Number of PCI Express Slots:   2
Number of PCI Express x4 Slots:   1
Number of PCI Express x16 Slots:   1

Interfaces/Ports

Total Number of USB Ports:   6
Number of USB 2.0 Ports:   2
Number of USB 3.2 Ports:   4
HDMI:   Yes
DisplayPort:   Yes
Number of Network (RJ-45) Ports:   1

Onboard Interfaces

Number of SATA Interfaces:   4
Number of M.2 Interfaces:   3
Total Number of Onboard USB Ports:   7
Number of Onboard USB 2.0 Ports:   3
Number of Onboard USB 3.2 Ports:   4

Physical Characteristics

Form Factor:   Micro ATX
Width:   9.6"
Depth:   9.6"

Miscellaneous

Package Contents:  

• PRO B550M-C/CSM Desktop Motherboard
• 1 x ACC Express Activation Key Card
• I/O Shield
• 2 x SATA 6Gb/s Cable(s)
• 1 x Supporting DVD
• User Manual
• 3 x M.2 SSD Screw Package(s)
• 2 x M.2 SSD Hex Screw Packages

Brand Compatibility:   AMD
Environmentally Friendly:   Yes
Environmental Certification:   RoHS