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Compare 4 motherboards

Side-by-side comparison of 4 motherboards
SpecificationMSI PRO B850M-P WiFi MotherboardASUS PRIME B850M-A-CSMB850M Challenger AM5 mATX HDMI/DPGIGABYTE B850M Eagle WIFI6E AMD AM5 Motherboard
Price (new) (differs)£143.94as of 20 Sep, 06:22£144.98as of 20 Sep, 06:22£142.23as of 20 Sep, 06:22£140.35as of 20 Sep, 06:22
Amazon Warehouse offernot statednot statednot statednot stated
RRP (differs)not stated£377.99not statednot stated
Price badge (differs)90-day lownot statednot stated90-day low
First available on Amazon (differs)May 2025 (1 yr 4 mo old)Apr 2025 (1 yr 5 mo old)Feb 2026 (6 mo old)Jun 2025 (1 yr 3 mo old)
Brand (differs)MSIASUSASRockGigabyte
SocketAM5AM5AM5AM5
ChipsetB850B850B850B850
Form factorMicro-ATXMicro-ATXMicro-ATXMicro-ATX
Memory typeDDR5DDR5DDR5DDR5
RAM slots (differs)4not stated44
Maximum RAMnot statednot statednot statednot stated
Fastest RAM speed stated (differs)8,200 MT/snot stated8,000 MT/snot stated
M.2 slots (differs)33not stated2
Newest PCIe generation statedPCIe 5.0PCIe 5.0PCIe 5.0PCIe 5.0
PCIe 5.0 graphics slot (differs)Yesnot statedYesnot stated
PCIe 5.0 M.2 slot (differs)Yesnot statedYesnot stated
WiFi (differs)WiFi 7None named in the listing titleNone named in the listing titleWiFi 6E
Bluetooth (differs)5.4not statednot statednot stated
Wired LAN (differs)5GbE2.5GbE2.5GbE2.5GbE
USB4 / Thunderboltnot statednot statednot statednot stated
Fastest USB-C port (differs)10 Gbps5 Gbps5 Gbpsnot stated
SATA ports (differs)not statednot stated4not stated
Power phases (as stated by the maker) (differs)not statednot stated8+1+18+2+2
BIOS flashback (differs)not statedYesnot statednot stated
Debug LED / POST codenot statednot statednot statednot stated
ARGB headers (differs)not statedYesnot statednot stated
Video outputs (differs)not statedHDMI, DisplayPortHDMI, DisplayPortnot stated
Audio codec (differs)not statednot statedALC897not stated
Colournot statednot statednot statednot stated
Amazon sales rank (differs)#153,588#13,264#36,335#55,990
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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