Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	Asus Prime B550M-K 90MB14V0-M0EAY0 DIY	ASUS Prime B550M-A AMD Ryzen AM4 Micro ATX Motherboard	GIGABYTE B550M DS3H AC R2 AMD AM4 Motherboard	MSI B550M Gaming Plus WIFI6E Motherboard
Price (new) (differs)	£102.37as of 22 Sep, 18:22	£105.86as of 22 Sep, 18:20	£106.88 (currently unavailable)as of 22 Sep, 18:20	£105.67as of 22 Sep, 18:22
First available on Amazon (differs)	Aug 2019 (7 yr 1 mo old)	Jan 2022 (4 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
M.2 slots (differs)	not stated	2	2	2
Newest PCIe generation stated (differs)	not stated	PCIe 4.0	PCIe 4.0	PCIe 4.0
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)	not stated	1GbE	1GbE	1GbE
Power phases (as stated by the maker) (differs)	not stated	not stated	5+3	not stated
ARGB headers (differs)	not stated	Yes	not stated	not stated
Video outputs (differs)	not stated	HDMI	HDMI, DisplayPort	not stated
Amazon sales rank (differs)	#378,686	#228,390	#64,508	#26,598
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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