Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	ASRock B850M Rock WiFi Socket AM5 Micro-ATX Motherboard	B850M Challenger AM5 mATX HDMI/DP
Price (new) (differs)	£144.04as of 6 Nov, 12:22	£137.75as of 6 Nov, 12:22
RRP (differs)	£270.99	not stated
First available on Amazon (differs)	Jan 2026 (9 mo old)	Feb 2026 (8 mo old)
RAM slots (differs)	2	4
Fastest RAM speed stated (differs)	8,200 MT/s	8,000 MT/s
M.2 slots (differs)	1	not stated
WiFi (differs)	WiFi 6E	None named in the listing title
Bluetooth (differs)	5.3	not stated
Power phases (as stated by the maker) (differs)	6+1+1	8+1+1
Audio codec (differs)	not stated	ALC897
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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