Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	MSI PRO B840M-P WIFI6E Motherboard	MSI PRO B840-S EVO WIFI6E Motherboard	ASUS PRIME B840M-A CSM AMD B840 mATX motherboard
Price (new) (differs)	£129.99as of 7 Nov, 00:21	£129.95as of 7 Nov, 00:22	£133.49as of 7 Nov, 00:22
Amazon Warehouse offer (differs)	£81.77 (Used - Like New)as of 7 Nov, 00:21	£115.23 (Used - Like New)as of 7 Nov, 00:22	not stated
RRP (differs)	£129.99	£139.99	£173.21
Price badge (differs)	not stated	not stated	90-day low
First available on Amazon (differs)	Jun 2025 (1 yr 4 mo old)	Jan 2026 (9 mo old)	Jan 2025 (1 yr 10 mo old)
Brand (differs)	MSI	MSI	ASUS
Form factor (differs)	Micro-ATX	ATX	Micro-ATX
RAM slots (differs)	4	4	not stated
Fastest RAM speed stated (differs)	8,000 MT/s	8,000 MT/s	not stated
M.2 slots (differs)	2	2	3
WiFi (differs)	WiFi 6E	WiFi 6E	None named in the listing title
Bluetooth (differs)	5.3	5.3	not stated
Fastest USB-C port (differs)	10 Gbps	10 Gbps	5 Gbps
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)	not stated	not stated	HDMI, DisplayPort
Amazon sales rank (differs)	#1,285	#1,285	#155,909
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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