Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	ASUS Prime B550M-A/CSM AMD AM4	ASUS PRIME B550M-A	ASUS PRIME B550M-A WIFI II	MSI PRO B550M-P WIFI6E Motherboard
Price (new) (differs)	£89.54as of 5 Nov, 18:22	£85.68as of 5 Nov, 18:21	£89.99as of 5 Nov, 18:21	£89.99as of 5 Nov, 18:22
Amazon Warehouse offer (differs)	not stated	not stated	not stated	£82.72 (Used - Like New)as of 5 Nov, 18:22
RRP (differs)	not stated	£93.86	£130.99	£89.99
Price badge (differs)	not stated	not stated	not stated	Lowest we've recorded
First available on Amazon (differs)	Jun 2020 (6 yr 4 mo old)	Jan 2022 (4 yr 10 mo old)	Dec 2021 (4 yr 11 mo old)	Jun 2026 (4 mo old)
Brand (differs)	ASUS	ASUS	ASUS	MSI
RAM slots (differs)	not stated	not stated	4	4
Fastest RAM speed stated (differs)	not stated	not stated	not stated	4,400 MT/s
M.2 slots (differs)	not stated	2	2	2
WiFi (differs)	None named in the listing title	None named in the listing title	WiFi 6	WiFi 6E
Bluetooth (differs)	not stated	not stated	not stated	5.3
Fastest USB-C port (differs)	10 Gbps	not stated	not stated	not stated
ARGB headers (differs)	not stated	Yes	Yes	not stated
Video outputs (differs)	HDMI	not stated	HDMI	not stated
Amazon sales rank (differs)	#172,396	#1,641	#1,641	#1,268
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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