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SpecificationASUS PRIME B850-PLUS WIFI AMD B850 Socket AM5 ATXASRock B850 Rock WiFi7 AM5 ATX HDMI/USB-C
Price (new) (differs)£173.99as of 5 Nov, 18:20£180.33as of 5 Nov, 18:23
Amazon Warehouse offernot statednot stated
RRP (differs)£229.99£337.99
Price badgenot statednot stated
First available on Amazon (differs)Feb 2025 (1 yr 9 mo old)Feb 2026 (8 mo old)
Brand (differs)ASUSASRock
SocketAM5AM5
ChipsetB850B850
Form factorATXATX
Memory typeDDR5DDR5
RAM slots (differs)not stated4
Maximum RAMnot statednot stated
Fastest RAM speed stated (differs)not stated8,000 MT/s
M.2 slotsnot statednot stated
Newest PCIe generation stated (differs)not statedPCIe 5.0
PCIe 5.0 graphics slot (differs)not statedYes
PCIe 5.0 M.2 slot (differs)not statedYes
WiFi (differs)WiFi 6EWiFi 7
Bluetoothnot statednot stated
Wired LAN2.5GbE2.5GbE
USB4 / Thunderboltnot statednot stated
Fastest USB-C port (differs)not stated10 Gbps
SATA ports (differs)not stated4
Power phases (as stated by the maker) (differs)not stated9+2+1
BIOS flashbacknot statednot stated
Debug LED / POST codenot statednot stated
ARGB headers (differs)Yesnot stated
Video outputs (differs)not statedHDMI
Audio codecnot statednot stated
Colournot statednot stated
Amazon sales rank (differs)#9,626#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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