Compare 3 motherboards

Side-by-side comparison of 3 motherboards

Specification	ASUS PRO B550M-C/CSM Business Motherboard Socket AM4	ASUS AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2	ASUS Prime B550M-A AMD Ryzen AM4 Micro ATX Motherboard
Price (new) (differs)	£112.18as of 20 Sep, 06:20	£123.69as of 20 Sep, 06:20	£105.86as of 20 Sep, 06:20
RRP (differs)	£143.99	£200.20	not stated
First available on Amazon (differs)	Jan 2021 (5 yr 8 mo old)	Feb 2022 (4 yr 7 mo old)	Jan 2022 (4 yr 8 mo old)
Wired LAN (differs)	2.5GbE	1GbE	1GbE
Fastest USB-C port (differs)	10 Gbps	not stated	not stated
ARGB headers (differs)	not stated	Yes	Yes
Video outputs (differs)	HDMI, DisplayPort	HDMI	HDMI
Amazon sales rank (differs)	#219,255	#193,500	#227,737
Buy	Check price on Amazon	Check price on Amazon	Check price on Amazon

Highlighted rows differ between these boards. “Not stated” means the Amazon listing does not mention it: the board may still have it, so check the maker’s specification. Power phases are printed as stated by the maker and are not comparable between brands. Prices are the new price on Amazon.co.uk at the time shown; the price on Amazon when you buy is the one that applies.

• Remove ASUS PRO B550M-C/CSM Business…
• Remove ASUS AMD B550 (Ryzen AM4) micro ATX…
• Remove ASUS Prime B550M-A AMD Ryzen AM4 Micro…

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