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Compare 4 motherboards

Side-by-side comparison of 4 motherboards
SpecificationASUS PRIME B850-PLUS WIFI AMD B850 Socket AM5 ATXMSI B850 Gaming Plus WIFI6E MotherboardASRock B850 Rock WiFi7 AM5 ATX HDMI/USB-CMSI MAG B850 GAMING PLUS MAX WIFI Motherboard
Price (new) (differs)£173.99as of 5 Nov, 18:20£175.18 (currently unavailable)as of 5 Nov, 18:22£180.33as of 5 Nov, 18:23£179.99as of 5 Nov, 18:22
Amazon Warehouse offer (differs)not stated£169.92 (Used - Like New)as of 5 Nov, 18:22not statednot stated
RRP (differs)£229.99not stated£337.99£199.99
Price badge (differs)not statednot statednot stated90-day low
First available on Amazon (differs)Feb 2025 (1 yr 9 mo old)Nov 2025 (11 mo old)Feb 2026 (8 mo old)Mar 2026 (8 mo old)
Brand (differs)ASUSMSIASRockMSI
SocketAM5AM5AM5AM5
ChipsetB850B850B850B850
Form factorATXATXATXATX
Memory typeDDR5DDR5DDR5DDR5
RAM slots (differs)not stated444
Maximum RAMnot statednot statednot statednot stated
Fastest RAM speed stated (differs)not stated8,200 MT/s8,000 MT/s8,200 MT/s
M.2 slots (differs)not stated2not stated3
Newest PCIe generation stated (differs)not statedPCIe 5.0PCIe 5.0PCIe 5.0
PCIe 5.0 graphics slot (differs)not statednot statedYesYes
PCIe 5.0 M.2 slot (differs)not statedYesYesYes
WiFi (differs)WiFi 6EWiFi 6EWiFi 7WiFi 7
Bluetooth (differs)not stated5.3not stated5.4
Wired LAN (differs)2.5GbE2.5GbE2.5GbE5GbE
USB4 / Thunderboltnot statednot statednot statednot stated
Fastest USB-C port (differs)not stated10 Gbps10 Gbps10 Gbps
SATA ports (differs)not statednot stated4not stated
Power phases (as stated by the maker) (differs)not statednot stated9+2+1not stated
BIOS flashbacknot statednot statednot statednot stated
Debug LED / POST codenot statednot statednot statednot stated
ARGB headers (differs)Yesnot statednot statednot stated
Video outputs (differs)not statednot statedHDMInot stated
Audio codecnot statednot statednot statednot stated
Colournot statednot statednot statednot stated
Amazon sales rank (differs)#9,626#220,184#50,419#25,022
BuyCheck price on AmazonCheck price 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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