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Compare 4 motherboards

Side-by-side comparison of 4 motherboards
SpecificationGIGABYTE B840 EAGLE WIFI6E MotherboardMSI PRO B840M-P WIFI6E MotherboardMSI PRO B840-S EVO WIFI6E MotherboardASUS PRIME B840M-A CSM AMD B840 mATX motherboard
Price (new) (differs)£143.35as of 5 Nov, 18:22£129.99as of 5 Nov, 18:21£129.04as of 5 Nov, 18:22£133.49as of 5 Nov, 18:22
Amazon Warehouse offer (differs)not stated£81.77 (Used - Like New)as of 5 Nov, 18:21£115.23 (Used - Like New)as of 5 Nov, 18:22not stated
RRP (differs)£318.99£129.99£139.99£173.21
Price badge (differs)not statednot statednot stated90-day low
First available on Amazon (differs)Sep 2025 (1 yr 1 mo old)Jun 2025 (1 yr 4 mo old)Jan 2026 (9 mo old)Jan 2025 (1 yr 9 mo old)
Brand (differs)GigabyteMSIMSIASUS
SocketAM5AM5AM5AM5
ChipsetB840B840B840B840
Form factor (differs)not statedMicro-ATXATXMicro-ATX
Memory typeDDR5DDR5DDR5DDR5
RAM slots (differs)444not stated
Maximum RAMnot statednot statednot statednot stated
Fastest RAM speed stated (differs)8,200 MT/s8,000 MT/s8,000 MT/snot stated
M.2 slots (differs)3223
Newest PCIe generation statedPCIe 4.0PCIe 4.0PCIe 4.0PCIe 4.0
PCIe 5.0 graphics slotnot statednot statednot statednot stated
PCIe 5.0 M.2 slotnot statednot statednot statednot stated
WiFi (differs)WiFi 6EWiFi 6EWiFi 6ENone named in the listing title
Bluetooth (differs)not stated5.35.3not stated
Wired LAN2.5GbE2.5GbE2.5GbE2.5GbE
USB4 / Thunderboltnot statednot statednot statednot stated
Fastest USB-C port (differs)not stated10 Gbps10 Gbps5 Gbps
SATA portsnot statednot statednot statednot stated
Power phases (as stated by the maker) (differs)8+2+2not statednot statednot stated
BIOS flashback (differs)not statednot statednot statedYes
Debug LED / POST code (differs)not statednot statednot statedYes
ARGB headers (differs)not statednot statednot statedYes
Video outputs (differs)HDMI, DisplayPortnot statednot statedHDMI, DisplayPort
Audio codecnot statednot statednot statednot stated
Colournot statednot statednot statednot stated
Amazon sales rank (differs)#190,195#1,466#1,466#155,062
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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