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Compare 3 motherboards

Side-by-side comparison of 3 motherboards
SpecificationMSI PRO B840M-P WIFI6E MotherboardMSI PRO B840-S EVO WIFI6E MotherboardASUS PRIME B840M-A CSM AMD B840 mATX motherboard
Price (new) (differs)£129.99as of 6 Nov, 12:21£129.95as of 6 Nov, 12:22£133.49as of 6 Nov, 12:22
Amazon Warehouse offer (differs)£81.77 (Used - Like New)as of 6 Nov, 12:21£115.23 (Used - Like New)as of 6 Nov, 12:22not stated
RRP (differs)£129.99£139.99£173.21
Price badge (differs)not statednot stated90-day low
First available on Amazon (differs)Jun 2025 (1 yr 4 mo old)Jan 2026 (9 mo old)Jan 2025 (1 yr 10 mo old)
Brand (differs)MSIMSIASUS
SocketAM5AM5AM5
ChipsetB840B840B840
Form factor (differs)Micro-ATXATXMicro-ATX
Memory typeDDR5DDR5DDR5
RAM slots (differs)44not stated
Maximum RAMnot statednot statednot stated
Fastest RAM speed stated (differs)8,000 MT/s8,000 MT/snot stated
M.2 slots (differs)223
Newest PCIe generation statedPCIe 4.0PCIe 4.0PCIe 4.0
PCIe 5.0 graphics slotnot statednot statednot stated
PCIe 5.0 M.2 slotnot statednot statednot stated
WiFi (differs)WiFi 6EWiFi 6ENone named in the listing title
Bluetooth (differs)5.35.3not stated
Wired LAN2.5GbE2.5GbE2.5GbE
USB4 / Thunderboltnot statednot statednot stated
Fastest USB-C port (differs)10 Gbps10 Gbps5 Gbps
SATA portsnot statednot statednot stated
Power phases (as stated by the maker)not statednot statednot stated
BIOS flashback (differs)not statednot statedYes
Debug LED / POST code (differs)not statednot statedYes
ARGB headers (differs)not statednot statedYes
Video outputs (differs)not statednot statedHDMI, DisplayPort
Audio codecnot statednot statednot stated
Colournot statednot statednot stated
Amazon sales rank (differs)#1,284#1,284#155,493
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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