Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	GIGABYTE B840 EAGLE WIFI6E Motherboard	MSI B840 GAMING PLUS WIFI Motherboard	ASUS PRIME B840M-A CSM AMD B840 mATX motherboard
Price (new) (differs)	£128.99as of 20 Sep, 06:22	£126.99as of 20 Sep, 06:21	£134.99as of 20 Sep, 06:21
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£318.99	£159.99	£173.21
Price badge (differs)	Lowest we've recorded	not stated	30-day low
First available on Amazon (differs)	Sep 2025 (11 mo old)	Jan 2025 (1 yr 8 mo old)	Jan 2025 (1 yr 8 mo old)
Brand (differs)	Gigabyte	MSI	ASUS
Socket	AM5	AM5	AM5
Chipset	B840	B840	B840
Form factor (differs)	not stated	ATX	Micro-ATX
Memory type	DDR5	DDR5	DDR5
RAM slots (differs)	4	4	not stated
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	8,200 MT/s	8,000 MT/s	not stated
M.2 slots (differs)	3	2	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	WiFi 7	None named in the listing title
Bluetooth (differs)	not stated	5.4	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	10 Gbps	5 Gbps
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	8+2+2	not stated	not stated
BIOS flashback (differs)	not stated	not stated	Yes
Debug LED / POST code (differs)	not stated	not stated	Yes
ARGB headers (differs)	not stated	not stated	Yes
Video outputs (differs)	HDMI, DisplayPort	not stated	HDMI, DisplayPort
Audio codec	not stated	not stated	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#83,601	#1,076	#110,665
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.

Find another board to compare