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Asus PRO B550M-C/CSM Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATX - 128 GB DDR4

SKU: PRO B550M-C/CSM
UPC: 192876992333
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MSRP: $151.95
$151.95
$137.95
Save: $14.00 (9.21%)
Warranty Information: Covered by Manufacturer
Condition: New
Width: 24.38 (cm)
Height: 1.23 (cm)
Depth: 24.38 (cm)
Availability: Canada: Low Inventory Level
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Product Features

Description

Product Overview

The Asus PRO B550M-C/CSM is a Micro ATX desktop motherboard built around the AMD B550 chipset, designed to deliver reliable performance for business and productivity systems. This motherboard supports AMD Ryzen and Athlon processors through the Socket AM4 interface, providing a solid foundation for a range of computing needs from basic office tasks to more demanding workloads.

With support for up to 128 GB of DDR4 memory across four DIMM slots, the PRO B550M-C/CSM ensures ample memory capacity for multitasking and application performance. The board includes comprehensive connectivity options, including multiple USB ports, Gigabit Ethernet, and both HDMI and DisplayPort outputs for flexible display configurations. Its Micro ATX form factor offers a balance of expansion capabilities and space efficiency, making it suitable for various desktop chassis sizes.

Capacity
4
Memory Capacity
DDR4 SDRAM
Processor & Chipset
ChipsetAMD B550
Processor SocketSocket AM4
Supported ProcessorsRyzen 3, Ryzen 5, Ryzen 7, Ryzen 9, Ryzen 3 PRO, Ryzen 5 Pro, Ryzen 7 PRO, Ryzen 9 PRO, Athlon, Athlon PRO
Memory
Maximum Memory128 GB
Memory Slots4
Memory TechnologyDDR4 SDRAM
Storage & Expansion
SATA Interfaces4
M.2 Interfaces3
PCI Express Slots2 (1 x PCIe x16, 1 x PCIe x4)
Connectivity
USB Ports6 (2 x USB 2.0, 4 x USB 3.2)
Network Port1 x Gigabit Ethernet (RJ-45)
Video OutputsHDMI, DisplayPort

Technical Overview

The PRO B550M-C/CSM motherboard features the AMD B550 chipset, which provides robust support for modern AMD processors and high-speed peripherals. It includes four memory slots that accommodate DDR4 SDRAM modules, with support for speeds ranging from 2133 MHz to 4800 MHz, allowing for optimized memory performance based on system configuration.

Storage connectivity is handled through four SATA 6Gb/s interfaces and three M.2 slots, enabling flexible storage setups with support for both traditional drives and NVMe SSDs. The board supports RAID 0, 1, and 10 configurations via its Serial ATA/600 controller, offering data redundancy and performance enhancements for critical applications.

Relevant factors for this section include Chipset Manufacturer, Chipset Model, Total Processor Supported, Number of Memory Slots. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

Memory Slots4
SATA Ports4
M.2 Slots3
AMD B550 ChipsetSocket AM4DDR4 SupportRAID Capable

Key Product Advantages

The Asus PRO B550M-C/CSM motherboard combines essential features with reliable performance, making it a practical choice for business and general-purpose desktop systems. Its design emphasizes stability and compatibility, ensuring smooth operation across a wide range of AMD processor models and memory configurations.

Comprehensive Processor Support

Compatible with AMD Ryzen 3, 5, 7, 9 series processors as well as Ryzen PRO and Athlon models, providing flexibility for different performance requirements and budget considerations.

  • Socket AM4 compatibility
  • Support for Ryzen and Athlon processors
  • Single processor configuration

Enhanced Storage Flexibility

Multiple storage interfaces including SATA and M.2 slots allow for mixed storage configurations, while RAID support adds data protection options for important files and applications.

  • Four SATA 6Gb/s ports
  • Three M.2 slots
  • RAID 0, 1, and 10 support

Efficient Form Factor Design

The Micro ATX form factor provides essential expansion slots while maintaining a compact footprint, making it suitable for both standard and smaller desktop cases without sacrificing connectivity options.

  • 9.6" x 9.6" dimensions
  • Three expansion slots total
  • Balanced port selection

Deployment / Use Cases

The PRO B550M-C/CSM motherboard is well-suited for business desktop systems, office workstations, and general-purpose computing environments where reliability and essential features are prioritized over extreme performance. Its compatibility with a wide range of AMD processors allows system builders to create configurations tailored to specific needs, from basic productivity machines to more capable systems for multitasking and light content creation.

This motherboard's combination of storage options, memory capacity, and connectivity makes it appropriate for small business servers, point-of-sale systems, or educational lab computers where data integrity through RAID and network connectivity through Gigabit Ethernet are important considerations. The Micro ATX form factor also makes it a good choice for compact desktop builds where space efficiency matters without completely sacrificing expansion capabilities.

Business Workstations

Ideal for office environments requiring stable performance, multiple display outputs, and reliable network connectivity for daily productivity tasks and business applications.

Compact System Builds

The Micro ATX design allows for smaller desktop chassis while still providing essential expansion slots and connectivity options for home or office use where desk space is limited.

Physical Profile

The PRO B550M-C/CSM motherboard features a Micro ATX form factor measuring 9.6 inches in both width and depth (243.84 mm). This standardized size ensures compatibility with a wide range of desktop computer cases while providing sufficient space for essential components and cooling solutions. The board's layout accommodates four memory slots, multiple expansion slots, and various connectivity ports in a compact arrangement that facilitates clean cable management and efficient airflow within the chassis.

Dimensions
Width
9.60" (243.84 mm)
Depth
9.60" (243.84 mm)

What's in the Box

The package includes all necessary components for motherboard installation and basic setup.

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
[custom-highlights]

Highlights

  • AMD B550 chipset with Socket AM4 processor support
  • Up to 128 GB DDR4 memory across four DIMM slots
  • Micro ATX form factor (9.6" x 9.6") for space-efficient builds
  • Four SATA 6Gb/s ports and three M.2 slots for storage flexibility
  • RAID 0, 1, and 10 support for data protection
  • Gigabit Ethernet port for reliable network connectivity
  • HDMI and DisplayPort video outputs
  • Multiple USB ports (2 x USB 2.0, 4 x USB 3.2)
  • 7.1 channel audio support
  • RoHS compliant and environmentally friendly
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerASUS Computer International
Manufacturer Part NumberPRO B550M-C/CSM
Brand NameAsus
Product SeriesPRO
Product ModelPRO B550M-C/CSM
Product NamePRO B550M-C/CSM Desktop Motherboard
Product TypeDesktop Motherboard
Processor & Chipset
Chipset ManufacturerAMD
Chipset ModelB550
Total Processor Supported1
Processor SocketSocket AM4
Processor SupportedRyzen 3,Ryzen 5,Ryzen 7,Ryzen 9,Ryzen 3 PRO,Ryzen 5 Pro,Ryzen 7 PRO,Ryzen 9 PRO,Athlon,Athlon PRO
Memory
Number of Memory Slots4
Memory Form FactorDIMM,UDIMM
Maximum Memory Supported128 GB
Memory Speed Supported2133 MHz,2400 MHz,2666 MHz,2800 MHz,3000 MHz,3200 MHz,3333 MHz,3466 MHz,3600 MHz,3733 MHz,3866 MHz,4000 MHz,4133 MHz,4266 MHz,4400 MHz,4600 MHz,4800 MHz
Memory TechnologyDDR4 SDRAM
I/O Controller
Controller TypeSerial ATA/600
RAID SupportedYes
RAID Levels0,10,1
Video
Onboard VideoCPU Dependent Video
Audio
Audio Channels7.1
Network & Communication
Gigabit EthernetYes
I/O Expansions
Total Number of Expansion Slots3
Total Number of PCI Express Slots2
Number of PCI Express x4 Slots1
Number of PCI Express x16 Slots1
Interfaces/Ports
Total Number of USB Ports6
Number of USB 2.0 Ports2
Number of USB 3.2 Ports4
HDMIYes
DisplayPortYes
Number of Network (RJ-45) Ports1
Onboard Interfaces
Number of SATA Interfaces4
Number of M.2 Interfaces3
Total Number of Onboard USB Ports7
Number of Onboard USB 2.0 Ports3
Number of Onboard USB 3.2 Ports4
Physical Characteristics
Form FactorMicro ATX
Width9.60" (243.84 mm)
Depth9.60" (243.84 mm)
Miscellaneous
Package ContentsPRO 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
Environmentally FriendlyYes
Environmental ComplianceRestriction of Hazardous Substances (RoHS)
Country of OriginSwitzerland
[/custom-specifications][custom-faq]

FAQ

What processors are compatible with this motherboard?

The PRO B550M-C/CSM motherboard supports AMD processors using the Socket AM4 interface. This includes Ryzen 3, Ryzen 5, Ryzen 7, and Ryzen 9 series processors, as well as Ryzen 3 PRO, Ryzen 5 Pro, Ryzen 7 PRO, Ryzen 9 PRO, Athlon, and Athlon PRO models. The motherboard is designed for a single processor configuration.

How much memory can this motherboard support?

This motherboard supports up to 128 GB of DDR4 SDRAM memory across its four DIMM slots. It accommodates standard DIMM and UDIMM memory modules with supported speeds ranging from 2133 MHz to 4800 MHz, allowing for flexible memory configurations based on performance requirements and budget.

What storage options does this motherboard provide?

The PRO B550M-C/CSM offers multiple storage interfaces including four SATA 6Gb/s ports for traditional hard drives and SSDs, plus three M.2 slots that support both SATA and NVMe solid-state drives. The Serial ATA/600 controller supports RAID 0, 1, and 10 configurations for data redundancy or performance enhancement.

What expansion slots are available on this motherboard?

This Micro ATX motherboard includes three total expansion slots: two PCI Express slots (one PCIe x16 slot and one PCIe x4 slot) plus an additional expansion slot. This configuration allows for installation of graphics cards, network adapters, or other expansion cards while maintaining the compact form factor.

What video outputs does this motherboard have?

The motherboard includes both HDMI and DisplayPort video outputs. The onboard video capability is dependent on the installed processor's integrated graphics, so compatible AMD processors with integrated graphics will enable these display outputs for multiple monitor setups without requiring a separate graphics card.

What is included in the package with this motherboard?

The package includes the PRO B550M-C/CSM desktop motherboard, an I/O shield with ACC Express activation key card, two SATA 6Gb/s cables, a supporting DVD with user manual, three M.2 SSD screw packages, and two M.2 SSD hex screw packages. These accessories provide the essential components for motherboard installation and basic storage setup.

[/custom-faq]
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Asus PRO B550M-C/CSM Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATX - 128 GB DDR4
MSRP: $151.95
$151.95
$137.95
Save: $14.00 (9.21%)
Available & Ready to Ship