Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	B850M Challenger WiFi AM5 mATX HDMI/DP	MB ASRock AMD AM5 B850M Steel Legend WiFi	MSI PRO B850M-P WIFI Motherboard
Price (new) (differs)	£148.66as of 5 Nov, 18:22	£149.47as of 5 Nov, 18:22	£149.99as of 5 Nov, 18:22
Amazon Warehouse offer (differs)	not stated	£129.03 (Used - Very Good)as of 5 Nov, 18:22	£98.00 (Used - Very Good)as of 5 Nov, 18:22
RRP (differs)	£311.99	£348.99	£139.99
First available on Amazon (differs)	Feb 2026 (8 mo old)	Jan 2025 (1 yr 9 mo old)	Jun 2025 (1 yr 4 mo old)
Brand (differs)	ASRock	ASRock	MSI
RAM slots (differs)	4	not stated	4
Fastest RAM speed stated (differs)	8,000 MT/s	not stated	8,200 MT/s
M.2 slots (differs)	not stated	not stated	3
Newest PCIe generation stated (differs)	PCIe 5.0	not stated	PCIe 5.0
PCIe 5.0 graphics slot (differs)	Yes	not stated	Yes
PCIe 5.0 M.2 slot (differs)	Yes	not stated	Yes
WiFi (differs)	WiFi 7	Yes (generation not stated)	WiFi 7
Bluetooth (differs)	5.4	not stated	5.4
Wired LAN (differs)	2.5GbE	not stated	5GbE
Fastest USB-C port (differs)	not stated	not stated	10 Gbps
Power phases (as stated by the maker) (differs)	8+1+1	not stated	not stated
Video outputs (differs)	HDMI, DisplayPort	not stated	not stated
Audio codec (differs)	ALC897	not stated	not stated
Amazon sales rank (differs)	#50,419	#19,027	#1,466
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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