Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	Asus Prime B550M-K 90MB14V0-M0EAY0 DIY	MSI B550M Gaming Plus WIFI6E Motherboard	Gigabyte B550M GAMING X WIFI6 Motherboard	GIGABYTE B550M X AORUS ELITE Motherboard
Price (new) (differs)	£115.35as of 7 Nov, 00:22	£114.00as of 7 Nov, 00:22	£109.79as of 7 Nov, 00:22	£107.41as of 7 Nov, 00:23
Amazon Warehouse offer (differs)	not stated	not stated	£92.10 (Used - Like New)as of 7 Nov, 00:22	not stated
RRP (differs)	not stated	not stated	£110.74	£316.99
First available on Amazon (differs)	Aug 2019 (7 yr 2 mo old)	Aug 2026 (2 mo old)	Apr 2025 (1 yr 6 mo old)	Aug 2026 (2 mo old)
Brand (differs)	ASUS	MSI	Gigabyte	Gigabyte
RAM slots (differs)	not stated	4	4	4
Fastest RAM speed stated (differs)	not stated	4,400 MT/s	3,200 MT/s	not stated
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	WiFi 6E	WiFi 6	None named in the listing title
Bluetooth (differs)	not stated	5.3	not stated	not stated
Wired LAN (differs)	not stated	1GbE	1GbE	2.5GbE
Power phases (as stated by the maker) (differs)	not stated	not stated	5+3	8+2
Video outputs (differs)	not stated	not stated	HDMI, DisplayPort	HDMI, DisplayPort
Amazon sales rank (differs)	#383,243	#36,015	#1,827	#44,686
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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