Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B550M-K WIFI	ASUS Prime B550M-A AC AMD AM4	Gigabyte B550M DS3H AC Motherboard
Price (new) (differs)	£150.13as of 20 Sep, 06:22	£156.92as of 20 Sep, 06:20	£138.70as of 20 Sep, 06:20
RRP (differs)	not stated	not stated	£99.99
Price badge (differs)	Lowest we've recorded	90-day low	90-day low
First available on Amazon (differs)	Jun 2026 (3 mo old)	Jul 2021 (5 yr 2 mo old)	Jun 2023 (3 yr 3 mo old)
Brand (differs)	ASUS	ASUS	Gigabyte
RAM slots (differs)	not stated	not stated	4
Fastest RAM speed stated (differs)	not stated	not stated	4,733 MT/s
M.2 slots (differs)	not stated	2	2
WiFi (differs)	WiFi 6	Yes (generation not stated)	WiFi 5
Wired LAN (differs)	not stated	1GbE	1GbE
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	Yes	not stated
Video outputs (differs)	HDMI, DisplayPort	HDMI	HDMI, DisplayPort
Colour (differs)	Black	not stated	not stated
Amazon sales rank (differs)	#1,431	#86,197	#51,601
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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