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SpecificationMSI MAG B850 Gaming Plus MAX WiFi MotherboardMSI B850 GAMING PLUS WIFI6E MotherboardMSI PRO B850-S WIFI6E Motherboard
Price (new) (differs)not stated£124.70as of 20 Sep, 06:20£109.99as of 20 Sep, 06:20
Amazon Warehouse offer (differs)not stated£113.12 (Used - Like New)as of 20 Sep, 06:20not stated
RRP (differs)not stated£169.99£159.99
Price badge (differs)not statednot statedLowest we've recorded
First available on Amazon (differs)Feb 2026 (6 mo old)Jun 2025 (1 yr 2 mo old)Jun 2025 (1 yr 2 mo old)
BrandMSIMSIMSI
SocketAM5AM5AM5
ChipsetB850B850B850
Form factorATXATXATX
Memory typeDDR5DDR5DDR5
RAM slots444
Maximum RAMnot statednot statednot stated
Fastest RAM speed stated8,200 MT/s8,200 MT/s8,200 MT/s
M.2 slots (differs)322
Newest PCIe generation statedPCIe 5.0PCIe 5.0PCIe 5.0
PCIe 5.0 graphics slot (differs)Yesnot statednot stated
PCIe 5.0 M.2 slotYesYesYes
WiFi (differs)WiFi 7WiFi 6EWiFi 6E
Bluetooth (differs)5.45.35.3
Wired LAN (differs)5GbE2.5GbE2.5GbE
USB4 / Thunderboltnot statednot statednot stated
Fastest USB-C port10 Gbps10 Gbps10 Gbps
SATA portsnot statednot statednot stated
Power phases (as stated by the maker)not statednot statednot stated
BIOS flashbacknot statednot statednot stated
Debug LED / POST codenot statednot statednot stated
ARGB headersnot statednot statednot stated
Video outputsnot statednot statednot stated
Audio codecnot statednot statednot stated
Colournot statednot statednot stated
Amazon sales rank (differs)#168,594#1,076#1,062
BuySee it 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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