Pro B550M-C/CSM Motherboard

Pro B550M-C/CSM Motherboard
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Warranty 3 year manufacturer warranty
Pro B550M-C/CSM Motherboard
  • 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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Product Name:
PRO B550M-C/CSM
Part Number:
90MB15Q0-M0AAYC

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Out of stock
Delivery Most orders ship out within 24 hours
Pickup A click away from your pick
Free shipping For orders over $29.99
Get help buying You can email, chat, or call us any time
Safe and secure payment Your data is encrypted for your protection
Warranty 3 year manufacturer warranty


Key features

Tech Specs

Shopping FAQ

CPU

AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors *,* Refer to www.asus.com for CPU support list

Chipset

AMD B550

Memory

AMD Ryzen™ 4000 G-Series Desktop Processors,4 x DIMM, Max. 128GB, 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 *,4 x DIMM, Max. 128GB, 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 *,* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).,Dual Channel Memory Architecture,ECC Memory (ECC mode) support varies by CPU.

Graphic

1 x HDMI 2.1(4K@60HZ),*Graphics specifications may vary between CPU types.

Expansion Slots

1 x PCIe 4.0 x16 (x16 mode) *,AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors,* Support PCIe bifurcation for RAID on CPU function.,AMD B550 Chipset,1 x PCIe 3.0 x4 *1,1 x PCI,1 x PCIe 3.0 x16 (x16 mode)

Storage

Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports,AMD RyzenTM 4000 G-Series Processors : ,AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors : ,1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support,AMD B550 Chipset : ,4 x SATA 6Gb/s port(s),,1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support,1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 4.0 x4 and SATA modes) storage devices support,Support Raid 0, 1, 10

LAN

Realtek RTL8111H 1Gb Ethernet

Audio

Realtek ALC887/8977.1 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

2 x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C®),Rear USB Port ( Total 6 ),2 x USB 3.2 Gen 1 port(s)(2 x Type-A),Front USB Port ( Total 7 ),4 x USB 3.2 Gen 1 port(s)(4 x Type-A),2 x USB 2.0 port(s)(2 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,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 DisplayPort,1 x PS/2 keyboard (purple),1 x PS/2 mouse (green),2 x USB 2.0,3 x Audio jack(s),1 x HDMI

Internal I/O Ports

1 x M.2 with E key for Wi-Fi module,2 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 4 USB 3.2 Gen 1 port(s),1 x SMBus header(s),1 x LPC Debug header,1 x LPT header,1 x Chassis intrusion header,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 Thunderbolt header(s),1 x 8-pin EATX 12V Power connectors,1 x Speaker connector,2 x Chassis Fan connector(s),1 x CPU Fan connector(s),1 x COM port header,4 x SATA 6Gb/s connector(s),1 x 24-pin EATX Power connector(s),1 x Front panel audio connector(s) (AAFP),1 x System panel(s),1 x Clear CMOS jumper(s)

Accessories

3 x M.2 SSD screw package(s),2 x M.2 SSD Hex screw packages,1 x ACC Express Activation Key Card,User manual,2 x SATA 6Gb/s cable(s),I/O Shield,1 x Supporting DVD

BIOS

256 Mb Flash ROM, UEFI AMI BIOS

Manageability

WOL by PXE

Operating System

Windows® 10 64-bit

Form Factor

9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm ),mATX Form Factor

Note

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

CPU

AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors *,* Refer to www.asus.com for CPU support list

Chipset

AMD B550

Memory

AMD Ryzen™ 4000 G-Series Desktop Processors,4 x DIMM, Max. 128GB, 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 *,4 x DIMM, Max. 128GB, 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 *,* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).,Dual Channel Memory Architecture,ECC Memory (ECC mode) support varies by CPU.

Graphic

1 x HDMI 2.1(4K@60HZ),*Graphics specifications may vary between CPU types.

Expansion Slots

1 x PCIe 4.0 x16 (x16 mode) *,AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors,* Support PCIe bifurcation for RAID on CPU function.,AMD B550 Chipset,1 x PCIe 3.0 x4 *1,1 x PCI,1 x PCIe 3.0 x16 (x16 mode)

Storage

Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports,AMD RyzenTM 4000 G-Series Processors : ,AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors : ,1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support,AMD B550 Chipset : ,4 x SATA 6Gb/s port(s),,1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support,1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 4.0 x4 and SATA modes) storage devices support,Support Raid 0, 1, 10

LAN

Realtek RTL8111H 1Gb Ethernet

Audio

Realtek ALC887/8977.1 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

2 x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C®),Rear USB Port ( Total 6 ),2 x USB 3.2 Gen 1 port(s)(2 x Type-A),Front USB Port ( Total 7 ),4 x USB 3.2 Gen 1 port(s)(4 x Type-A),2 x USB 2.0 port(s)(2 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,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 DisplayPort,1 x PS/2 keyboard (purple),1 x PS/2 mouse (green),2 x USB 2.0,3 x Audio jack(s),1 x HDMI

Internal I/O Ports

1 x M.2 with E key for Wi-Fi module,2 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 4 USB 3.2 Gen 1 port(s),1 x SMBus header(s),1 x LPC Debug header,1 x LPT header,1 x Chassis intrusion header,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 Thunderbolt header(s),1 x 8-pin EATX 12V Power connectors,1 x Speaker connector,2 x Chassis Fan connector(s),1 x CPU Fan connector(s),1 x COM port header,4 x SATA 6Gb/s connector(s),1 x 24-pin EATX Power connector(s),1 x Front panel audio connector(s) (AAFP),1 x System panel(s),1 x Clear CMOS jumper(s)

Accessories

3 x M.2 SSD screw package(s),2 x M.2 SSD Hex screw packages,1 x ACC Express Activation Key Card,User manual,2 x SATA 6Gb/s cable(s),I/O Shield,1 x Supporting DVD

BIOS

256 Mb Flash ROM, UEFI AMI BIOS

Manageability

WOL by PXE

Operating System

Windows® 10 64-bit

Form Factor

9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm ),mATX Form Factor

Note

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