Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B550M-K WIFI	ASUS PRO B550M-C/CSM Business Motherboard Socket AM4	GIGABYTE B550M DS3H AC R2 AMD AM4 Motherboard
Price (new) (differs)	£104.99as of 5 Nov, 18:22	£106.39as of 5 Nov, 18:20	£107.41as of 5 Nov, 18:20
RRP (differs)	not stated	£143.99	not stated
Price badge (differs)	Lowest we've recorded	not stated	not stated
First available on Amazon (differs)	Jun 2026 (5 mo old)	Jan 2021 (5 yr 10 mo old)	Jun 2025 (1 yr 4 mo old)
Brand (differs)	ASUS	ASUS	Gigabyte
RAM slots (differs)	not stated	not stated	4
M.2 slots (differs)	not stated	2	2
WiFi (differs)	WiFi 6	None named in the listing title	WiFi 5
Wired LAN (differs)	not stated	2.5GbE	1GbE
Fastest USB-C port (differs)	not stated	10 Gbps	not stated
Power phases (as stated by the maker) (differs)	not stated	not stated	5+3
Debug LED / POST code (differs)	Yes	not stated	not stated
ARGB headers (differs)	Yes	not stated	not stated
Colour (differs)	Black	not stated	not stated
Amazon sales rank (differs)	#1,641	#225,157	#58,204
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.

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