Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	Asus PRIME B550M-K ARGB	MSI PRO B550M-B Motherboard
Price (new) (differs)	£75.94as of 5 Nov, 18:20	£81.19as of 5 Nov, 18:22
RRP (differs)	£99.99	£74.99
First available on Amazon (differs)	Jan 2023 (3 yr 10 mo old)	Jun 2026 (4 mo old)
Brand (differs)	ASUS	MSI
Fastest RAM speed stated (differs)	not stated	4,600 MT/s
Fastest USB-C port (differs)	5 Gbps	not stated
ARGB headers (differs)	Yes	not stated
Video outputs (differs)	HDMI, DisplayPort	not stated
Amazon sales rank (differs)	#51,757	#6,175
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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