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Side-by-side comparison of 4 motherboards
SpecificationASUS ROG Strix B850-A Gaming WiFi AMD ATX motherboardASUS TUF Gaming B850-PLUS WiFi AMD AM5 B850 ATX MotherboardASUS B850 MAX Gaming WiFi WMSI MAG B850 TOMAHAWK WIFI Motherboard
Price (new) (differs)£199.99as of 5 Nov, 18:23£198.99 (currently unavailable)as of 5 Nov, 18:20£198.93as of 5 Nov, 18:22£199.99as of 5 Nov, 18:22
Amazon Warehouse offer (differs)£155.24 (Used - Very Good)as of 5 Nov, 18:23not statednot stated£150.04 (Used - Good)as of 5 Nov, 18:22
RRP (differs)£349.96not statednot stated£209.99
Price badgenot statednot statednot statednot stated
First available on Amazon (differs)Jan 2025 (1 yr 9 mo old)Jan 2025 (1 yr 9 mo old)Nov 2025 (11 mo old)Oct 2025 (1 yr old)
Brand (differs)ASUSASUSASUSMSI
SocketAM5AM5AM5AM5
ChipsetB850B850B850B850
Form factorATXATXATXATX
Memory typeDDR5DDR5DDR5DDR5
RAM slots (differs)not statednot statednot stated4
Maximum RAMnot statednot statednot statednot stated
Fastest RAM speed stated (differs)not statednot statednot stated8,200 MT/s
M.2 slots (differs)4333
Newest PCIe generation statedPCIe 5.0PCIe 5.0PCIe 5.0PCIe 5.0
PCIe 5.0 graphics slotYesYesYesYes
PCIe 5.0 M.2 slotYesYesYesYes
WiFi (differs)WiFi 7WiFi 7WiFi 6EWiFi 7
Bluetooth (differs)not statednot statednot stated5.4
Wired LAN (differs)2.5GbE2.5GbE2.5GbE5GbE
USB4 / Thunderboltnot statednot statednot statednot stated
Fastest USB-C port (differs)20 Gbps20 Gbps10 Gbps20 Gbps
SATA portsnot statednot statednot statednot stated
Power phases (as stated by the maker) (differs)14+2+214+2+18+2+1not stated
BIOS flashback (differs)YesYesYesnot stated
Debug LED / POST code (differs)Yesnot statedYesnot stated
ARGB headers (differs)Yesnot statedYesnot stated
Video outputs (differs)HDMI, DisplayPortHDMI, DisplayPortHDMI, DisplayPortnot stated
Audio codec (differs)ALC4080not statednot statednot stated
Colour (differs)not statednot statedWhitenot stated
Amazon sales rank (differs)#2,683#51,003#257,368#2,222
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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