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Side-by-side comparison of 4 motherboards
SpecificationMB ASRock AMD AM5 B850 Pro-AB850M Challenger WiFi AM5 mATX HDMI/DPGigabyte B850 GAMING WIFI6 MotherboardMSI PRO B850M-P WIFI Motherboard
Price (new) (differs)£133.47as of 20 Sep, 06:22£136.79as of 20 Sep, 06:22£136.99as of 20 Sep, 06:22£137.99as of 20 Sep, 06:22
RRP (differs)£311.99£311.99£179.99£139.99
First available on Amazon (differs)Jan 2025 (1 yr 8 mo old)Feb 2026 (6 mo old)Jan 2025 (1 yr 8 mo old)Jun 2025 (1 yr 2 mo old)
Brand (differs)ASRockASRockGigabyteMSI
Form factor (differs)not statedMicro-ATXATXMicro-ATX
RAM slots (differs)not stated444
Fastest RAM speed stated (differs)not stated8,000 MT/s8,200 MT/s8,200 MT/s
M.2 slots (differs)not statednot stated23
Newest PCIe generation stated (differs)not statedPCIe 5.0PCIe 5.0PCIe 5.0
PCIe 5.0 graphics slot (differs)not statedYesYesYes
PCIe 5.0 M.2 slot (differs)not statedYesYesYes
WiFi (differs)None named in the listing titleWiFi 7WiFi 6WiFi 7
Bluetooth (differs)not stated5.4not stated5.4
Wired LAN (differs)not stated2.5GbE1GbE5GbE
Fastest USB-C port (differs)not statednot statednot stated10 Gbps
Power phases (as stated by the maker) (differs)not stated8+1+16+2+2not stated
BIOS flashback (differs)not statednot statedYesnot stated
Video outputs (differs)not statedHDMI, DisplayPortnot statednot stated
Audio codec (differs)not statedALC897not statednot stated
Amazon sales rank (differs)#75,893#36,335#1,569#1,062
BuyCheck price on AmazonCheck price on AmazonCheck price on AmazonCheck 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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