Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B840M-A CSM AMD B840 mATX motherboard	GIGABYTE B840M EAGLE WIFI6 Motherboard	GIGABYTE B840M AORUS ELITE WIFI6E Motherboard
Price (new) (differs)	£133.49as of 5 Nov, 18:22	£119.99as of 5 Nov, 18:20	£145.99as of 5 Nov, 18:20
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£173.21	not stated	£190.00
Price badge (differs)	90-day low	not stated	Lowest we've recorded
First available on Amazon (differs)	Jan 2025 (1 yr 9 mo old)	Apr 2025 (1 yr 6 mo old)	Apr 2025 (1 yr 6 mo old)
Brand (differs)	ASUS	Gigabyte	Gigabyte
Socket	AM5	AM5	AM5
Chipset	B840	B840	B840
Form factor	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR5	DDR5	DDR5
RAM slots (differs)	not stated	2	4
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	not stated	7,600 MT/s	8,200 MT/s
M.2 slots (differs)	3	2	2
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)	None named in the listing title	WiFi 6	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)	5 Gbps	not stated	not stated
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	not stated	5+2+2	10+2+2
BIOS flashback (differs)	Yes	not stated	not stated
Debug LED / POST code (differs)	Yes	not stated	not stated
ARGB headers (differs)	Yes	not stated	not stated
Video outputs (differs)	HDMI, DisplayPort	not stated	not stated
Audio codec	not stated	not stated	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#155,062	#38,279	#75,635
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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