Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	GIGABYTE B840M AORUS ELITE WIFI6E Motherboard	ASUS PRIME B840M-A CSM AMD B840 mATX motherboard	ASUS PRIME B840M-A WIFI AMD B840 mATX motherboard
Price (new) (differs)	£145.99as of 20 Sep, 06:22	£134.99as of 20 Sep, 06:21	£109.99as of 20 Sep, 06:21
RRP (differs)	£190.00	£173.21	£193.79
Price badge (differs)	Lowest we've recorded	30-day low	not stated
First available on Amazon (differs)	Apr 2025 (1 yr 4 mo old)	Jan 2025 (1 yr 8 mo old)	Jan 2025 (1 yr 8 mo old)
Brand (differs)	Gigabyte	ASUS	ASUS
RAM slots (differs)	4	not stated	not stated
Fastest RAM speed stated (differs)	8,200 MT/s	not stated	not stated
M.2 slots (differs)	2	3	3
WiFi (differs)	WiFi 6E	None named in the listing title	WiFi 6E
Fastest USB-C port (differs)	not stated	5 Gbps	5 Gbps
Power phases (as stated by the maker) (differs)	10+2+2	not stated	not stated
BIOS flashback (differs)	not stated	Yes	Yes
Debug LED / POST code (differs)	not stated	Yes	Yes
ARGB headers (differs)	not stated	Yes	Yes
Video outputs (differs)	not stated	HDMI, DisplayPort	HDMI, DisplayPort
Amazon sales rank (differs)	#95,184	#110,665	#30,096
Buy	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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