ASUS PRO B550M-C/CSM AM4 AMD B550 SATA 6Gb/s Micro ATX AMD Motherboard

AMD B550

Number of Memory Slots: 4×288pin

Memory Standard:
AMD Ryzen 5000 Series/3000 Series Desktop Processors
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 4000 G-Series Desktop Processors
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).

Maximum Memory Supported: 128GB

Channel Supported: Dual Channel

PCI Express 4.0 x16:
AMD Ryzen 5000 Series/3000 Series Desktop Processors
1 x PCIe 4.0 x16 (x16 mode) *
AMD Ryzen 4000 G-Series Desktop Processors
1 x PCIe 3.0 x16 (x16 mode)
* Support PCIe bifurcation for RAID on CPU function.

PCI Express x4:
 AMD B550 Chipset
1 x PCIe 3.0 x4 *
* The PCIe x4 slot runs x2 mode when the PCI slot is occupied.

PCI Slots: 1 x PCI Slot

SATA 6Gb/s: 4 x SATA 6Gb/s

M.2:
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 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

SATA RAID: 0/1/10

Supported only by CPU with integrated graphic:
2 x DisplayPort
1 x HDMI 2.1 (4K@60HZ)
* Graphics specifications may vary between CPU types.

Audio Chipset: Realtek ALC887/897
Audio Channels:

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

LAN Chipset: Realtek RTL8111H
Max LAN Speed: 10/100/1000Mbps

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)
 

Onboard USB:
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)

Other Connectors:
x CPU Fan connector(s)
2 x Chassis Fan connector(s)
1 x LPT header
1 x Thunderbolt header(s)
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

Form Factor: Micro ATX
LED Lighting: None RGB
Dimensions (W x L): 9.6" x 9.6"
Power Pin:
1 x 24-pin EATX Power connector(s)
1 x 8-pin EATX 12V Power connectors

Windows 11

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

BIOS:
256MB Flash ROM, UEFI AMI BIOS

Manageability:
WOL by PXE

Operating System:
Windows 10 64-bit

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

Limited Warranty period (parts): 3 years
Limited Warranty period (labor): 3 years