Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	MSI B550-A PRO ProSeries Motherboard	Gigabyte B550 Gaming X V2 Motherboard	ASUS PRIME B550-PLUS
Price (new) (differs)	£89.64as of 20 Sep, 06:20	£86.99as of 20 Sep, 06:20	£92.66as of 20 Sep, 06:20
RRP (differs)	not stated	£95.99	£124.56
Price badge (differs)	30-day low	90-day low	90-day low
First available on Amazon (differs)	Oct 2025 (10 mo old)	Nov 2020 (5 yr 10 mo old)	Jan 2022 (4 yr 8 mo old)
Brand (differs)	MSI	Gigabyte	ASUS
RAM slots (differs)	not stated	4	not stated
Maximum RAM (differs)	128 GB	not stated	not stated
Fastest RAM speed stated (differs)	4,400 MT/s	4,733 MT/s	not stated
M.2 slots (differs)	not stated	2	2
Wired LAN (differs)	not stated	1GbE	1GbE
Fastest USB-C port (differs)	not stated	5 Gbps	10 Gbps
Power phases (as stated by the maker) (differs)	not stated	10+3	not stated
ARGB headers (differs)	not stated	Yes	Yes
Video outputs (differs)	HDMI, DisplayPort	HDMI	not stated
Amazon sales rank (differs)	#11,171	#1,405	#1,413
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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