Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	Asus PRIME B550M-K ARGB	Gigabyte B550M K Motherboard	Gigabyte B550M DS3H R2 Motherboard	MSI PRO B550M-B Motherboard
Price (new) (differs)	£75.94as of 5 Nov, 18:20	£71.98as of 5 Nov, 18:21	£79.99as of 5 Nov, 18:23	£81.19as of 5 Nov, 18:22
RRP (differs)	£99.99	not stated	£179.99	£74.99
Price badge (differs)	not stated	not stated	30-day low	not stated
First available on Amazon (differs)	Jan 2023 (3 yr 10 mo old)	Feb 2023 (3 yr 8 mo old)	Apr 2025 (1 yr 6 mo old)	Jun 2026 (4 mo old)
Brand (differs)	ASUS	Gigabyte	Gigabyte	MSI
RAM slots (differs)	2	4	4	2
Fastest RAM speed stated (differs)	not stated	4,733 MT/s	4,733 MT/s	4,600 MT/s
Fastest USB-C port (differs)	5 Gbps	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	not stated	not stated	5+3	not stated
ARGB headers (differs)	Yes	not stated	not stated	not stated
Video outputs (differs)	HDMI, DisplayPort	HDMI, DisplayPort	HDMI, DisplayPort	not stated
Amazon sales rank (differs)	#51,757	#1,849	#1,849	#6,175
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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