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Compare 4 motherboards

Side-by-side comparison of 4 motherboards
SpecificationASRock B850M Challenger WiFi White Socket AM5 Micro-ATX MotherboardB850M Challenger WiFi AM5 mATX HDMI/DPASRock B850M Rock WiFi Socket AM5 Micro-ATX MotherboardASUS EX-B850M-V7 AMD Micro-ATX Motherboard
Price (new) (differs)£134.49as of 20 Sep, 02:43£136.11as of 20 Sep, 02:43£132.85as of 20 Sep, 02:43£131.88as of 20 Sep, 02:43
Amazon Warehouse offernot statednot statednot statednot stated
RRP (differs)£255.99£311.99£270.99£200.99
Price badge (differs)not statednot statednot stated30-day low
First available on Amazon (differs)Jan 2026 (8 mo old)Feb 2026 (6 mo old)Jan 2026 (8 mo old)Mar 2026 (6 mo old)
Brand (differs)ASRockASRockASRockASUS
SocketAM5AM5AM5AM5
ChipsetB850B850B850B850
Form factorMicro-ATXMicro-ATXMicro-ATXMicro-ATX
Memory typeDDR5DDR5DDR5DDR5
RAM slots (differs)442not stated
Maximum RAMnot statednot statednot statednot stated
Fastest RAM speed stated (differs)8,000 MT/s8,000 MT/s8,200 MT/snot stated
M.2 slots (differs)not statednot stated12
Newest PCIe generation statedPCIe 5.0PCIe 5.0PCIe 5.0PCIe 5.0
PCIe 5.0 graphics slotYesYesYesYes
PCIe 5.0 M.2 slotYesYesYesYes
WiFi (differs)WiFi 7WiFi 7WiFi 6ENone named in the listing title
Bluetooth (differs)5.45.45.3not stated
Wired LAN (differs)2.5GbE2.5GbE2.5GbE5GbE
USB4 / Thunderboltnot statednot statednot statednot stated
Fastest USB-C port (differs)not statednot stated5 Gbps10 Gbps
SATA ports (differs)not statednot stated4not stated
Power phases (as stated by the maker) (differs)8+1+18+1+16+1+1not stated
BIOS flashbacknot statednot statednot statednot stated
Debug LED / POST codenot statednot statednot statednot stated
ARGB headersnot statednot statednot statednot stated
Video outputs (differs)not statedHDMI, DisplayPortHDMI, DisplayPortHDMI
Audio codec (differs)ALC897ALC897not statednot stated
Colour (differs)Whitenot statednot statedBlack
Amazon sales rank (differs)#35,139#35,139#35,139#1,413
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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