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SpecificationASRock B850 Rock WiFi7 AM5 ATX HDMI/USB-CMSI B850 Gaming Plus WIFI6E Motherboard
Price (new) (differs)£180.33as of 5 Nov, 18:23£175.18 (currently unavailable)as of 5 Nov, 18:22
Amazon Warehouse offer (differs)not stated£169.92 (Used - Like New)as of 5 Nov, 18:22
RRP (differs)£337.99not stated
Price badgenot statednot stated
First available on Amazon (differs)Feb 2026 (8 mo old)Nov 2025 (11 mo old)
Brand (differs)ASRockMSI
SocketAM5AM5
ChipsetB850B850
Form factorATXATX
Memory typeDDR5DDR5
RAM slots44
Maximum RAMnot statednot stated
Fastest RAM speed stated (differs)8,000 MT/s8,200 MT/s
M.2 slots (differs)not stated2
Newest PCIe generation statedPCIe 5.0PCIe 5.0
PCIe 5.0 graphics slot (differs)Yesnot stated
PCIe 5.0 M.2 slotYesYes
WiFi (differs)WiFi 7WiFi 6E
Bluetooth (differs)not stated5.3
Wired LAN2.5GbE2.5GbE
USB4 / Thunderboltnot statednot stated
Fastest USB-C port10 Gbps10 Gbps
SATA ports (differs)4not stated
Power phases (as stated by the maker) (differs)9+2+1not stated
BIOS flashbacknot statednot stated
Debug LED / POST codenot statednot stated
ARGB headersnot statednot stated
Video outputs (differs)HDMInot stated
Audio codecnot statednot stated
Colournot statednot stated
Amazon sales rank (differs)#50,419#220,184
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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