Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	MSI PRO B850-S WIFI6E Motherboard	ASUS PRIME B850-PLUS-CSM
Price (new) (differs)	£152.65as of 5 Nov, 18:22	£161.99as of 5 Nov, 18:20
RRP (differs)	not stated	£161.99
First available on Amazon (differs)	Sep 2025 (1 yr 1 mo old)	Mar 2025 (1 yr 7 mo old)
Brand (differs)	MSI	ASUS
RAM slots (differs)	4	not stated
Fastest RAM speed stated (differs)	8,200 MT/s	not stated
M.2 slots (differs)	2	3
PCIe 5.0 M.2 slot (differs)	Yes	not stated
Bluetooth (differs)	5.3	not stated
Power phases (as stated by the maker) (differs)	not stated	8+2+1
ARGB headers (differs)	not stated	Yes
Video outputs (differs)	not stated	HDMI, DisplayPort
Amazon sales rank (differs)	#220,184	#9,626
Buy	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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