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 RetailMPN 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,

MPN
PRO B550M-C/CSM
CPU
AMD AM4 Socket for AMD Ryzen^TM 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
Chipset
AMD B550
Memory
AMD Ryzen^TM 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 Ryzen^TM 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 Ryzen^TM 5000 Series/ 3000 Series Desktop Processors
1 x PCIe 4.0 x16 (x16 mode)
AMD Ryzen^TM 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^TM 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.