Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	ASUS PRIME B840M-A WIFI AMD B840 mATX motherboard	MSI B840M GAMING PLUS WIFI6E Motherboard	GIGABYTE B840M DS3H Motherboard	GIGABYTE B840M EAGLE WIFI6 Motherboard
Price (new) (differs)	£110.99as of 5 Nov, 18:20	£109.99as of 5 Nov, 18:23	£108.10as of 5 Nov, 18:22	£119.99as of 5 Nov, 18:20
Amazon Warehouse offer	not stated	not stated	not stated	not stated
RRP (differs)	£193.79	£139.99	not stated	not stated
Price badge	not stated	not stated	not stated	not stated
First available on Amazon (differs)	Jan 2025 (1 yr 9 mo old)	Jun 2025 (1 yr 4 mo old)	Feb 2025 (1 yr 8 mo old)	Apr 2025 (1 yr 6 mo old)
Brand (differs)	ASUS	MSI	Gigabyte	Gigabyte
Socket	AM5	AM5	AM5	AM5
Chipset	B840	B840	B840	B840
Form factor	Micro-ATX	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR5	DDR5	DDR5	DDR5
RAM slots (differs)	not stated	4	4	2
Maximum RAM	not stated	not stated	not stated	not stated
Fastest RAM speed stated (differs)	not stated	8,000 MT/s	8,200 MT/s	7,600 MT/s
M.2 slots (differs)	3	2	2	2
Newest PCIe generation stated	PCIe 4.0	PCIe 4.0	PCIe 4.0	PCIe 4.0
PCIe 5.0 graphics slot	not stated	not stated	not stated	not stated
PCIe 5.0 M.2 slot	not stated	not stated	not stated	not stated
WiFi (differs)	WiFi 6E	WiFi 6E	None named in the listing title	WiFi 6
Bluetooth (differs)	not stated	5.3	not stated	not stated
Wired LAN	2.5GbE	2.5GbE	2.5GbE	2.5GbE
USB4 / Thunderbolt	not stated	not stated	not stated	not stated
Fastest USB-C port (differs)	5 Gbps	10 Gbps	not stated	not stated
SATA ports	not stated	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	not stated	not stated	8+2+2	5+2+2
BIOS flashback (differs)	Yes	not stated	not stated	not stated
Debug LED / POST code (differs)	Yes	not stated	not stated	not stated
ARGB headers (differs)	Yes	not stated	not stated	not stated
Video outputs (differs)	HDMI, DisplayPort	not stated	not stated	not stated
Audio codec	not stated	not stated	not stated	not stated
Colour	not stated	not stated	not stated	not stated
Amazon sales rank (differs)	#64,395	#1,466	#113,776	#38,279
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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