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Compare 3 motherboards

Side-by-side comparison of 3 motherboards
SpecificationMSI MAG B850M MORTAR WIFI MotherboardGIGABYTE B850M EAGLE WIFI7 MotherboardGIGABYTE B850M Eagle WIFI7 AMD AM5 mATX motherboard
Price (new) (differs)£169.86as of 6 Nov, 00:20£161.18as of 6 Nov, 00:23£166.52as of 6 Nov, 00:23
Amazon Warehouse offer (differs)£144.39 (Used - Very Good)as of 6 Nov, 00:20not statednot stated
RRP (differs)£209.99£159.99not stated
Price badge (differs)30-day lownot statednot stated
First available on Amazon (differs)May 2025 (1 yr 6 mo old)Jan 2026 (9 mo old)Apr 2026 (6 mo old)
Brand (differs)MSIGigabyteGigabyte
SocketAM5AM5AM5
ChipsetB850B850B850
Form factorMicro-ATXMicro-ATXMicro-ATX
Memory typeDDR5DDR5DDR5
RAM slots444
Maximum RAMnot statednot statednot stated
Fastest RAM speed stated (differs)8,200 MT/s8,200 MT/snot stated
M.2 slots (differs)322
Newest PCIe generation statedPCIe 5.0PCIe 5.0PCIe 5.0
PCIe 5.0 graphics slot (differs)Yesnot statedYes
PCIe 5.0 M.2 slot (differs)Yesnot statedYes
WiFiWiFi 7WiFi 7WiFi 7
Bluetooth (differs)5.4not stated5.4
Wired LAN (differs)5GbE2.5GbE2.5GbE
USB4 / Thunderboltnot statednot statednot stated
Fastest USB-C port (differs)20 Gbpsnot stated10 Gbps
SATA portsnot statednot statednot stated
Power phases (as stated by the maker) (differs)not stated8+2+28+2+2
BIOS flashback (differs)not statednot statedYes
Debug LED / POST codenot statednot statednot stated
ARGB headersnot statednot statednot stated
Video outputs (differs)not statedHDMI, DisplayPortnot stated
Audio codecnot statednot statednot stated
Colournot statednot statednot stated
Amazon sales rank (differs)#2,224#113,215#222,950
BuyCheck 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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