Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B550-PLUS	MSI B550-A PRO ProSeries Motherboard	MSI B550-A PRO Motherboard ATX
Price (new) (differs)	£92.66as of 20 Sep, 06:20	£93.98as of 20 Sep, 06:20	£89.99as of 20 Sep, 06:20
RRP (differs)	£124.56	£199.99	£104.99
First available on Amazon (differs)	Jan 2022 (4 yr 8 mo old)	Jun 2020 (6 yr 3 mo old)	Jun 2020 (6 yr 3 mo old)
Brand (differs)	ASUS	MSI	MSI
Maximum RAM (differs)	not stated	not stated	128 GB
Fastest RAM speed stated (differs)	not stated	4,400 MT/s	4,400 MT/s
M.2 slots (differs)	2	not stated	not stated
Wired LAN (differs)	1GbE	not stated	not stated
Fastest USB-C port (differs)	10 Gbps	not stated	not stated
BIOS flashback (differs)	not stated	not stated	Yes
ARGB headers (differs)	Yes	not stated	Yes
Video outputs (differs)	not stated	HDMI, DisplayPort	HDMI
Amazon sales rank (differs)	#1,413	#94,429	#1,256
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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