Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	ASUS PRIME B550M-K WIFI	ASUS PRO B550M-C/CSM Business Motherboard Socket AM4
Price (new) (differs)	£104.99as of 5 Nov, 18:22	£106.39as of 5 Nov, 18:20
RRP (differs)	not stated	£143.99
Price badge (differs)	Lowest we've recorded	not stated
First available on Amazon (differs)	Jun 2026 (5 mo old)	Jan 2021 (5 yr 10 mo old)
M.2 slots (differs)	not stated	2
WiFi (differs)	WiFi 6	None named in the listing title
Wired LAN (differs)	not stated	2.5GbE
Fastest USB-C port (differs)	not stated	10 Gbps
Debug LED / POST code (differs)	Yes	not stated
ARGB headers (differs)	Yes	not stated
Colour (differs)	Black	not stated
Amazon sales rank (differs)	#1,641	#225,157
Buy	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.

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