Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	ASUS Prime B550M-K AMD B550	ASUS PRIME B550M-A	MSI PRO B550M-P Motherboard	Gigabyte B550M AORUS ELITE Motherboard
Price (new) (differs)	£84.41as of 5 Nov, 18:21	£85.68as of 5 Nov, 18:21	£85.98as of 5 Nov, 18:22	£86.99as of 5 Nov, 18:21
RRP (differs)	£134.99	£93.86	not stated	£110.99
First available on Amazon (differs)	Jan 2022 (4 yr 10 mo old)	Jan 2022 (4 yr 10 mo old)	Jun 2026 (4 mo old)	Sep 2020 (6 yr 1 mo old)
Brand (differs)	ASUS	ASUS	MSI	Gigabyte
RAM slots (differs)	not stated	not stated	4	4
Fastest RAM speed stated (differs)	4,400 MT/s	not stated	4,400 MT/s	4,733 MT/s
Power phases (as stated by the maker) (differs)	not stated	not stated	not stated	5+3
ARGB headers (differs)	not stated	Yes	not stated	Yes
Video outputs (differs)	HDMI	not stated	not stated	HDMI
Amazon sales rank (differs)	#1,641	#1,641	#94,022	#1,063
Buy	Check price on Amazon	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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