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Compare 4 motherboards

Side-by-side comparison of 4 motherboards
SpecificationMSI B850M GAMING PLUS WIFI6E MotherboardASRock B850M Rock WiFi Socket AM5 Micro-ATX MotherboardB850M Challenger AM5 mATX HDMI/DPB850M Challenger WiFi AM5 mATX HDMI/DP
Price (new) (differs)£139.99as of 5 Nov, 18:21£144.04as of 5 Nov, 18:22£145.62as of 5 Nov, 18:22£148.66as of 5 Nov, 18:22
Amazon Warehouse offer (differs)£106.64 (Used - Like New)as of 5 Nov, 18:21not statednot statednot stated
RRP (differs)£149.99£270.99not stated£311.99
Price badgenot statednot statednot statednot stated
First available on Amazon (differs)Jun 2025 (1 yr 4 mo old)Jan 2026 (9 mo old)Feb 2026 (8 mo old)Feb 2026 (8 mo old)
Brand (differs)MSIASRockASRockASRock
SocketAM5AM5AM5AM5
ChipsetB850B850B850B850
Form factorMicro-ATXMicro-ATXMicro-ATXMicro-ATX
Memory typeDDR5DDR5DDR5DDR5
RAM slots (differs)4244
Maximum RAMnot statednot statednot statednot stated
Fastest RAM speed stated (differs)8,200 MT/s8,200 MT/s8,000 MT/s8,000 MT/s
M.2 slots (differs)21not statednot stated
Newest PCIe generation statedPCIe 5.0PCIe 5.0PCIe 5.0PCIe 5.0
PCIe 5.0 graphics slot (differs)not statedYesYesYes
PCIe 5.0 M.2 slotYesYesYesYes
WiFi (differs)WiFi 6EWiFi 6ENone named in the listing titleWiFi 7
Bluetooth (differs)5.35.3not stated5.4
Wired LAN2.5GbE2.5GbE2.5GbE2.5GbE
USB4 / Thunderboltnot statednot statednot statednot stated
Fastest USB-C port (differs)10 Gbps5 Gbps5 Gbpsnot stated
SATA ports (differs)not stated44not stated
Power phases (as stated by the maker) (differs)not stated6+1+18+1+18+1+1
BIOS flashbacknot statednot statednot statednot stated
Debug LED / POST codenot statednot statednot statednot stated
ARGB headersnot statednot statednot statednot stated
Video outputs (differs)not statedHDMI, DisplayPortHDMI, DisplayPortHDMI, DisplayPort
Audio codec (differs)not statednot statedALC897ALC897
Colournot statednot statednot statednot stated
Amazon sales rank (differs)#1,466#50,419#50,419#50,419
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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