Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B840-PLUS WIFI AMD B840 ATX motherboard	MSI PRO B840-S EVO WIFI6E Motherboard	MSI B840 GAMING PLUS WIFI Motherboard
Price (new) (differs)	£139.00as of 20 Sep, 06:21	£136.99as of 20 Sep, 06:22	£126.99as of 20 Sep, 06:21
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£212.69	£139.99	£159.99
Price badge	not stated	not stated	not stated
First available on Amazon (differs)	Jan 2025 (1 yr 8 mo old)	Jan 2026 (8 mo old)	Jan 2025 (1 yr 8 mo old)
Brand (differs)	ASUS	MSI	MSI
Socket	AM5	AM5	AM5
Chipset	B840	B840	B840
Form factor	ATX	ATX	ATX
Memory type	DDR5	DDR5	DDR5
RAM slots (differs)	not stated	4	4
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	not stated	8,000 MT/s	8,000 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)	WiFi 6E	WiFi 6E	WiFi 7
Bluetooth (differs)	not stated	5.3	5.4
Wired LAN	2.5GbE	2.5GbE	2.5GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port	10 Gbps	10 Gbps	10 Gbps
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker)	not stated	not stated	not stated
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)	#57,152	#1,076	#1,076
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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