Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	ASUS PRIME B850-PLUS-CSM	MSI PRO B850-S WIFI6E Motherboard
Price (new) (differs)	£161.99as of 6 Nov, 00:20	£152.65as of 6 Nov, 00:22
RRP (differs)	£161.99	not stated
First available on Amazon (differs)	Mar 2025 (1 yr 7 mo old)	Sep 2025 (1 yr 1 mo old)
Brand (differs)	ASUS	MSI
RAM slots (differs)	not stated	4
Fastest RAM speed stated (differs)	not stated	8,200 MT/s
M.2 slots (differs)	3	2
PCIe 5.0 M.2 slot (differs)	not stated	Yes
Bluetooth (differs)	not stated	5.3
Power phases (as stated by the maker) (differs)	8+2+1	not stated
ARGB headers (differs)	Yes	not stated
Video outputs (differs)	HDMI, DisplayPort	not stated
Amazon sales rank (differs)	#9,627	#220,221
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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