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Compare 4 motherboards

Side-by-side comparison of 4 motherboards
SpecificationASUS EX-B850M-V7 AMD Micro-ATX MotherboardASRock B850M Rock WiFi Socket AM5 Micro-ATX MotherboardASRock B850M Challenger WiFi White Socket AM5 Micro-ATX MotherboardB850M Challenger WiFi AM5 mATX HDMI/DP
Price (new) (differs)£131.88as of 20 Sep, 06:22£132.85as of 20 Sep, 06:22£134.49as of 20 Sep, 06:22£136.79as of 20 Sep, 06:22
Amazon Warehouse offernot statednot statednot statednot stated
RRP (differs)£200.99£270.99£255.99£311.99
Price badge (differs)30-day lownot statednot statednot stated
First available on Amazon (differs)Mar 2026 (6 mo old)Jan 2026 (8 mo old)Jan 2026 (8 mo old)Feb 2026 (6 mo old)
Brand (differs)ASUSASRockASRockASRock
SocketAM5AM5AM5AM5
ChipsetB850B850B850B850
Form factorMicro-ATXMicro-ATXMicro-ATXMicro-ATX
Memory typeDDR5DDR5DDR5DDR5
RAM slots (differs)not stated244
Maximum RAMnot statednot statednot statednot stated
Fastest RAM speed stated (differs)not stated8,200 MT/s8,000 MT/s8,000 MT/s
M.2 slots (differs)21not statednot stated
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)None named in the listing titleWiFi 6EWiFi 7WiFi 7
Bluetooth (differs)not stated5.35.45.4
Wired LAN (differs)5GbE2.5GbE2.5GbE2.5GbE
USB4 / Thunderboltnot statednot statednot statednot stated
Fastest USB-C port (differs)10 Gbps5 Gbpsnot statednot stated
SATA ports (differs)not stated4not statednot stated
Power phases (as stated by the maker) (differs)not stated6+1+18+1+18+1+1
BIOS flashbacknot statednot statednot statednot stated
Debug LED / POST codenot statednot statednot statednot stated
ARGB headersnot statednot statednot statednot stated
Video outputs (differs)HDMIHDMI, DisplayPortnot statedHDMI, DisplayPort
Audio codec (differs)not statednot statedALC897ALC897
Colour (differs)Blacknot statedWhitenot stated
Amazon sales rank (differs)#1,431#36,335#36,335#36,335
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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