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
Amazon Warehouse offer	not stated	not stated	not stated
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
Socket	AM5	AM5	AM5
Chipset	B840	B840	B840
Form factor	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR5	DDR5	DDR5
RAM slots (differs)	4	not stated	not stated
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	8,200 MT/s	not stated	not stated
M.2 slots (differs)	2	3	3
Newest PCIe generation stated	PCIe 4.0	PCIe 4.0	PCIe 4.0
PCIe 5.0 graphics slot	not stated	not stated	not stated
PCIe 5.0 M.2 slot	not stated	not stated	not stated
WiFi (differs)	WiFi 6E	None named in the listing title	WiFi 6E
Bluetooth	not stated	not stated	not stated
Wired LAN	2.5GbE	2.5GbE	2.5GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	not stated	5 Gbps	5 Gbps
SATA ports	not stated	not stated	not stated
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
Audio codec	not stated	not stated	not stated
Colour	not stated	not stated	not stated
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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