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SpecificationB850M Challenger WiFi AM5 mATX HDMI/DPASUS EX-B850M-V7 AMD Micro-ATX Motherboard
Price (new) (differs)£136.79as of 20 Sep, 06:22£131.88as of 20 Sep, 06:22
Amazon Warehouse offernot statednot stated
RRP (differs)£311.99£200.99
Price badge (differs)not stated30-day low
First available on Amazon (differs)Feb 2026 (6 mo old)Mar 2026 (6 mo old)
Brand (differs)ASRockASUS
SocketAM5AM5
ChipsetB850B850
Form factorMicro-ATXMicro-ATX
Memory typeDDR5DDR5
RAM slots (differs)4not stated
Maximum RAMnot statednot stated
Fastest RAM speed stated (differs)8,000 MT/snot stated
M.2 slots (differs)not stated2
Newest PCIe generation statedPCIe 5.0PCIe 5.0
PCIe 5.0 graphics slotYesYes
PCIe 5.0 M.2 slotYesYes
WiFi (differs)WiFi 7None named in the listing title
Bluetooth (differs)5.4not stated
Wired LAN (differs)2.5GbE5GbE
USB4 / Thunderboltnot statednot stated
Fastest USB-C port (differs)not stated10 Gbps
SATA portsnot statednot stated
Power phases (as stated by the maker) (differs)8+1+1not stated
BIOS flashbacknot statednot stated
Debug LED / POST codenot statednot stated
ARGB headersnot statednot stated
Video outputs (differs)HDMI, DisplayPortHDMI
Audio codec (differs)ALC897not stated
Colour (differs)not statedBlack
Amazon sales rank (differs)#36,335#1,431
BuyCheck 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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