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ASUS Motherboard PRO B550M-C/CSM AMD AM4 Ryzen5000/4000G/3000 B550 128GB DDR4 micro ATX Retail
ASUS Motherboard PRO B550M-C/CSM AMD AM4 Ryzen5000/4000G/3000 B550 128GB DDR4 micro ATX Retail
ASUS Motherboard PRO B550M-C/CSM AMD AM4 Ryzen5000/4000G/3000 B550 128GB DDR4 micro ATX Retail
ASUS Motherboard PRO B550M-C/CSM AMD AM4 Ryzen5000/4000G/3000 B550 128GB DDR4 micro ATX Retail
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ASUS Motherboard PRO B550M-C/CSM AMD AM4 Ryzen5000/4000G/3000 B550 128GB DDR4 micro ATX Retail
ASUS Motherboard PRO B550M-C/CSM AMD AM4 Ryzen5000/4000G/3000 B550 128GB DDR4 micro ATX Retail
ASUS Motherboard PRO B550M-C/CSM AMD AM4 Ryzen5000/4000G/3000 B550 128GB DDR4 micro ATX Retail
ASUS Motherboard PRO B550M-C/CSM AMD AM4 Ryzen5000/4000G/3000 B550 128GB DDR4 micro ATX Retail

ASUS Motherboard PRO B550M-C/CSM AMD AM4 Ryzen5000/4000G/3000 B550 128GB DDR4 micro ATX Retail

$149.99
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MPN
PRO B550M-C/CSM
CPU
AMD AM4 Socket for AMD RyzenTM 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
Chipset
AMD B550
Memory
AMD RyzenTM 5000 Series/ 3000 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
AMD RyzenTM 4000 G-Series Desktop Processors
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
Dual Channel Memory Architecture
ECC Memory (ECC mode) support varies by CPU.

Graphic
2 x DisplayPort
1 x HDMI 2.1(4K at 60HZ)
Graphics specifications may vary between CPU types.

Expansion Slots
AMD RyzenTM 5000 Series/ 3000 Series Desktop Processors
1 x PCIe 4.0 x16 (x16 mode)
AMD RyzenTM 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 RyzenTM 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 RyzenTM 4000 G-Series 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 and 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 and 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.

Free standard domestic shipping.
Free 2-Day domestic shipping on orders over $200.
Free return shipping within the US. Find out more.