Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	ASUS Prime B550M-A AMD Ryzen AM4 Micro ATX Motherboard	ASUS PRO B550M-C/CSM Business Motherboard Socket AM4	GIGABYTE B550M DS3H AC R2 AMD AM4 Motherboard	MSI B550M Gaming Plus WIFI6E Motherboard
Price (new) (differs)	£105.86as of 20 Sep, 06:20	£112.18as of 20 Sep, 06:20	£104.64as of 20 Sep, 06:22	£99.85as of 20 Sep, 06:22
RRP (differs)	not stated	£143.99	not stated	not stated
First available on Amazon (differs)	Jan 2022 (4 yr 8 mo old)	Jan 2021 (5 yr 8 mo old)	Jun 2025 (1 yr 3 mo old)	Aug 2026 (1 mo old)
Brand (differs)	ASUS	ASUS	Gigabyte	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
WiFi (differs)	None named in the listing title	None named in the listing title	WiFi 5	WiFi 6E
Bluetooth (differs)	not stated	not stated	not stated	5.3
Wired LAN (differs)	1GbE	2.5GbE	1GbE	1GbE
Fastest USB-C port (differs)	not stated	10 Gbps	not stated	not stated
Power phases (as stated by the maker) (differs)	not stated	not stated	5+3	not stated
ARGB headers (differs)	Yes	not stated	not stated	not stated
Video outputs (differs)	HDMI	HDMI, DisplayPort	HDMI, DisplayPort	not stated
Amazon sales rank (differs)	#227,737	#219,255	#46,387	#31,410
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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