Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	MSI B550-A PRO Motherboard ATX	MSI B550-A PRO ProSeries Motherboard	Gigabyte B550 Gaming X V2 Motherboard
Price (new) (differs)	£89.99as of 20 Sep, 06:20	£89.64as of 20 Sep, 06:20	£86.99as of 20 Sep, 06:20
RRP (differs)	£104.99	not stated	£95.99
Price badge (differs)	90-day low	30-day low	90-day low
First available on Amazon (differs)	Jun 2020 (6 yr 3 mo old)	Oct 2025 (10 mo old)	Nov 2020 (5 yr 10 mo old)
Brand (differs)	MSI	MSI	Gigabyte
RAM slots (differs)	not stated	not stated	4
Maximum RAM (differs)	128 GB	128 GB	not stated
Fastest RAM speed stated (differs)	4,400 MT/s	4,400 MT/s	4,733 MT/s
M.2 slots (differs)	not stated	not stated	2
Wired LAN (differs)	not stated	not stated	1GbE
Fastest USB-C port (differs)	not stated	not stated	5 Gbps
Power phases (as stated by the maker) (differs)	not stated	not stated	10+3
BIOS flashback (differs)	Yes	not stated	not stated
ARGB headers (differs)	Yes	not stated	Yes
Video outputs (differs)	HDMI	HDMI, DisplayPort	HDMI
Amazon sales rank (differs)	#1,256	#11,171	#1,405
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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