Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B850M-A-CSM	GIGABYTE B850M FORCE WIFI6E Motherboard	B850M Challenger WiFi AM5 mATX HDMI/DP
Price (new) (differs)	£144.98as of 5 Nov, 18:22	£154.99as of 5 Nov, 18:22	£148.66as of 5 Nov, 18:22
RRP (differs)	£377.99	£129.99	£311.99
First available on Amazon (differs)	Apr 2025 (1 yr 7 mo old)	Jul 2025 (1 yr 3 mo old)	Feb 2026 (8 mo old)
Brand (differs)	ASUS	Gigabyte	ASRock
RAM slots (differs)	not stated	2	4
Fastest RAM speed stated (differs)	not stated	9,600 MT/s	8,000 MT/s
M.2 slots (differs)	3	3	not stated
PCIe 5.0 graphics slot (differs)	not stated	not stated	Yes
PCIe 5.0 M.2 slot (differs)	not stated	Yes	Yes
WiFi (differs)	None named in the listing title	WiFi 6E	WiFi 7
Bluetooth (differs)	not stated	not stated	5.4
Fastest USB-C port (differs)	5 Gbps	not stated	not stated
Power phases (as stated by the maker) (differs)	not stated	8+2+2	8+1+1
BIOS flashback (differs)	Yes	not stated	not stated
ARGB headers (differs)	Yes	not stated	not stated
Audio codec (differs)	not stated	not stated	ALC897
Amazon sales rank (differs)	#9,626	#139,388	#50,419
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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