Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	ASUS Prime B550M-A/CSM AMD AM4	MSI PRO B550M-P WIFI6E Motherboard	ASUS PRIME B550M-A WIFI II	ASUS PRIME B550M-A
Price (new) (differs)	£89.54as of 7 Nov, 18:22	£89.99as of 7 Nov, 18:22	£89.99as of 7 Nov, 18:21	£88.94as of 7 Nov, 18:21
RRP (differs)	not stated	£89.99	£130.99	£93.86
Price badge (differs)	not stated	Lowest we've recorded	not stated	not stated
First available on Amazon (differs)	Jun 2020 (6 yr 4 mo old)	Jun 2026 (4 mo old)	Dec 2021 (4 yr 11 mo old)	Jan 2022 (4 yr 10 mo old)
Brand (differs)	ASUS	MSI	ASUS	ASUS
RAM slots (differs)	not stated	4	4	not stated
Fastest RAM speed stated (differs)	not stated	4,400 MT/s	not stated	not stated
M.2 slots (differs)	not stated	2	2	2
WiFi (differs)	None named in the listing title	WiFi 6E	WiFi 6	None named in the listing title
Bluetooth (differs)	not stated	5.3	not stated	not stated
Fastest USB-C port (differs)	10 Gbps	not stated	not stated	not stated
ARGB headers (differs)	not stated	not stated	Yes	Yes
Video outputs (differs)	HDMI	not stated	HDMI	not stated
Amazon sales rank (differs)	#179,455	#1,195	#1,703	#1,703
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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