Compare 3 motherboards

Side-by-side comparison of 3 motherboards

Specification	ASUS Prime B550M-K AMD B550	ASUS PRIME B550M-A	MSI PRO B550M-P 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
RRP (differs)	£134.99	£93.86	not stated
First available on Amazon (differs)	Jan 2022 (4 yr 10 mo old)	Jan 2022 (4 yr 10 mo old)	Jun 2026 (4 mo old)
Brand (differs)	ASUS	ASUS	MSI
RAM slots (differs)	not stated	not stated	4
Fastest RAM speed stated (differs)	4,400 MT/s	not stated	4,400 MT/s
ARGB headers (differs)	not stated	Yes	not stated
Video outputs (differs)	HDMI	not stated	not stated
Amazon sales rank (differs)	#1,641	#1,641	#94,022
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.

• Remove ASUS Prime B550M-K AMD B550
• Remove ASUS PRIME B550M-A
• Remove MSI PRO B550M-P Motherboard

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