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SpecificationASUS TUF GAMING B850M-PLUS WIFI AMD mATX motherboardASRock B850M Challenger WiFi White Socket AM5 Micro-ATX Motherboard
Price (new) (differs)£195.00as of 5 Nov, 18:22£176.54as of 5 Nov, 18:22
Amazon Warehouse offernot statednot stated
RRP (differs)£282.75£255.99
Price badgenot statednot stated
First available on Amazon (differs)Jan 2025 (1 yr 9 mo old)Jan 2026 (9 mo old)
Brand (differs)ASUSASRock
SocketAM5AM5
ChipsetB850B850
Form factorMicro-ATXMicro-ATX
Memory typeDDR5DDR5
RAM slots (differs)not stated4
Maximum RAMnot statednot stated
Fastest RAM speed stated (differs)not stated8,000 MT/s
M.2 slots (differs)3not stated
Newest PCIe generation statedPCIe 5.0PCIe 5.0
PCIe 5.0 graphics slotYesYes
PCIe 5.0 M.2 slotYesYes
WiFi (differs)WiFi 6EWiFi 7
Bluetooth (differs)not stated5.4
Wired LAN2.5GbE2.5GbE
USB4 / Thunderboltnot statednot stated
Fastest USB-C port (differs)20 Gbpsnot stated
SATA portsnot statednot stated
Power phases (as stated by the maker) (differs)14+2+18+1+1
BIOS flashback (differs)Yesnot stated
Debug LED / POST code (differs)Yesnot stated
ARGB headers (differs)Yesnot stated
Video outputs (differs)HDMI, DisplayPortnot stated
Audio codec (differs)not statedALC897
Colour (differs)not statedWhite
Amazon sales rank (differs)#1,416#50,419
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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