Asus PRO B550M-C/CSM Motherboard

Asus PRO B550M-C/CSM B550 Amd Am4 Micro ATX

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Specifications Overview

Model	pro b550m-c/csm 90MB15Q0-M0AAYC
Release Date	December 2020 * First availability for purchase, it may not correspond to the actual market launch date.
Socket	AM4
Form factor	Micro ATX
Chipset	AMD B550
Supported Memory	DDR4 2133Mhz 2400Mhz 2666Mhz 2800Mhz 3000Mhz 3200Mhz 3333Mhz 3466Mhz 3600Mhz 3733Mhz 3866Mhz 4000Mhz 4133Mhz 4266Mhz 4400Mhz 4600Mhz 4800Mhz View compatible RAM ► * High clock speeds may require enabling the XMP profile in the motherboard BIOS ** RAM support may also depend on the CPU memory controller
ECC RAM Support	No
Audio Chipset	Realtek ALC887/897
Audio Channels	7.1 Channels
LAN Chipset	Realtek RTL8111H
Max LAN Speed	10/100/1000Mbps
SLI Support	No
CrossFire Support	No
RAID Support	Yes
Back Connect	No
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)
Wireless LAN	No
PCI-Express x16 Slots	1
PCI-Express x4 Slots	1
PCI-Express x1 Slots	0
SATA 6 Gbps Ports	4
SATA Express Ports	0
M.2 Ports	3
M.2 Devices support	2242 / 2260 / 2280 - M Key 2242 / 2260 / 2280 - M Key 2242 / 2260 / 2280 - M Key
RAM Slots	4
Maximum Supported RAM	128 GB
Onboard USB 2.0	1
Onboard USB 3.2 Gen 1	2
Onboard USB 3.2 Gen 2	0
Onboard USB 3.2 Gen 2x2	0

	Old Name	Current Name	Branding	Data Speed	Port
USB 2.0	USB 2.0	USB 2.0	Hi-Speed USB	480 Mbit/s	diverse
USB 3.0	USB 3.1 Gen 1	USB 3.2 Gen 1x1	SuperSpeed USB	5 Gbit/s	diverse
USB 3.1	USB 3.1 Gen 2	USB 3.2 Gen 2x1	SuperSpeed USB 10Gbps	10 Gbit/s	diverse
USB 3.2	USB 3.2 Gen 2x2	USB 4.0 Gen 2x2	USB4 20Gbps	20 Gbit/s	only USB-C
USB4	USB 4.0 Gen 3x2	USB4 1.0	USB4 40Gbps	40 Gbit/s	only USB-C
USB4v2	USB 4.0 Gen 4	USB4 2.0	USB4 80Gbps	80-120 Gbit/s	only USB-C