Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	B850M Challenger WiFi AM5 mATX HDMI/DP	GIGABYTE B850M FORCE WIFI6E Motherboard	ASUS PRIME B850M-A-CSM	ASRock B850M Rock WiFi Socket AM5 Micro-ATX Motherboard
Price (new) (differs)	£148.66as of 5 Nov, 18:22	£154.99as of 5 Nov, 18:22	£144.98as of 5 Nov, 18:22	£144.04as of 5 Nov, 18:22
RRP (differs)	£311.99	£129.99	£377.99	£270.99
First available on Amazon (differs)	Feb 2026 (8 mo old)	Jul 2025 (1 yr 3 mo old)	Apr 2025 (1 yr 7 mo old)	Jan 2026 (9 mo old)
Brand (differs)	ASRock	Gigabyte	ASUS	ASRock
RAM slots (differs)	4	2	not stated	2
Fastest RAM speed stated (differs)	8,000 MT/s	9,600 MT/s	not stated	8,200 MT/s
M.2 slots (differs)	not stated	3	3	1
PCIe 5.0 graphics slot (differs)	Yes	not stated	not stated	Yes
PCIe 5.0 M.2 slot (differs)	Yes	Yes	not stated	Yes
WiFi (differs)	WiFi 7	WiFi 6E	None named in the listing title	WiFi 6E
Bluetooth (differs)	5.4	not stated	not stated	5.3
Fastest USB-C port (differs)	not stated	not stated	5 Gbps	5 Gbps
SATA ports (differs)	not stated	not stated	not stated	4
Power phases (as stated by the maker) (differs)	8+1+1	8+2+2	not stated	6+1+1
BIOS flashback (differs)	not stated	not stated	Yes	not stated
ARGB headers (differs)	not stated	not stated	Yes	not stated
Audio codec (differs)	ALC897	not stated	not stated	not stated
Amazon sales rank (differs)	#50,419	#139,388	#9,626	#50,419
Buy	Check price on Amazon	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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