ASUS Pro B550M-C/CSM

ASUS

Pro B550M-C/CSM

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

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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.

Learn more about ASUS Corporate Stable Model >

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.

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

Model

Pro B550M-C/CSM

CPU

AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors *

* Refer toasus  for CPU support list

Chipset

AMD B550

Memory

4 x DIMM, Max. 128GB, DDR4 4866(O.C)/4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4333(O.C.)/4266(O.C.)/4200(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3333(O.C.)/3200/3000/2933/2800/2666/2400/2133 MHz Un-buffered Memory *

Dual Channel Memory Architecture

ECC Memory (ECC mode) support varies by CPU.

* Refer toasus for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.

Graphic

2  x DisplayPort

1  x HDMI 2.1(4K@60HZ)

*Graphics specifications may vary between CPU types.

Expansion Slots

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors

1 x PCIe 4.0 x16 (x16 mode) *

AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors

1 x PCIe 3.0 x16 (x16 mode)

AMD B550 Chipset

1 x PCIe 3.0 x4 *1

1 x PCI

* Support PCIe bifurcation for RAID on CPU function.

Storage

Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors :

1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 4.0 x4 and SATA modes) storage devices support

AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors :

1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support

AMD B550 Chipset :

1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support

4 x SATA 6Gb/s port(s),

Support Raid 0, 1, 10

LAN

Realtek RTL8111H 1Gb Ethernet

Audio

Realtek ALC887/897 7.1 Surround Sound High Definition Audio CODEC *

- Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback

* Choose the chassis with HD audio module in front panel to support 8-channel audio output.

USB Ports

Rear USB Port ( Total 6  )

2 x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C®)

2 x USB 3.2 Gen 1 port(s)(2 x Type-A)

2 x USB 2.0 port(s)(2 x Type-A)

Front USB Port ( Total 7  )

4 x USB 3.2 Gen 1 port(s)(4 x Type-A)

3 x USB 2.0 port(s)

Software Features

ASUS Exclusive Software

IT Management software supported

- ASUS Control Center Express(ACCE)

ASUS Special Features

ASUS Q-Design

- ASUS Q-DIMM

- ASUS Q-Slot

ASUS Thermal Solution

- Aluminum heatsink design

ASUS EZ DIY

- Box Headers

Bespoke Motherboard Design & Business Focused Features

- ASUS Self Recovering BIOS

- ASUS Event Log

- ASUS Commercial BIOS kit

- Anti-Moisture

- 24/7 Reliability

- Overcurrent Protection

TPM2.0 IC Onboard

Back I/O Ports

1 x Realtek® RTL8111H

1 x PS/2 keyboard (purple)

1 x PS/2 mouse (green)

2 x DisplayPort

1 x HDMI

2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C®)

2 x USB 3.2 Gen 1 Type-A

2 x USB 2.0

3 x Audio jack(s)

Internal I/O Ports

1 x CPU Fan connector(s)

2 x Chassis Fan connector(s)

2 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 4 USB 3.2 Gen 1 port(s)

2 x USB 2.0 connector(s) support(s) additional 3 USB 2.0 port(s)

2 x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (SATA mode & X4 PCIE mode)

1 x M.2 with E key for Wi-Fi module

1 x LPT header

4 x SATA 6Gb/s connector(s)

1 x Thunderbolt header(s)

1 x 24-pin EATX Power connector(s)

1 x 8-pin EATX 12V Power connectors

1 x Front panel audio connector(s) (AAFP)

1 x SMBus header(s)

1 x System panel(s)

1 x Clear CMOS jumper(s)

1 x COM port header

1 x Chassis intrusion header

1 x LPC Debug header

1 x Speaker connector

Accessories

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

BIOS

256 Mb Flash ROM, UEFI AMI BIOS

Manageability

WOL by PXE

Operating System

Windows® 10 64-bit

Form Factor

mATX Form Factor

9.6  inch x 9.6  inch ( 24.4  cm x 24.4  cm )

Note

*1 The PCIe x4 slot runs x2 mode when the PCI slot is occupied.