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Compare 4 motherboards

Side-by-side comparison of 4 motherboards
SpecificationB850M Challenger WiFi AM5 mATX HDMI/DPGIGABYTE B850M FORCE WIFI6E MotherboardASUS PRIME B850M-A-CSMASRock B850M Rock WiFi Socket AM5 Micro-ATX Motherboard
Price (new) (differs)£148.66as of 5 Nov, 18:22£154.99as of 5 Nov, 18:22£144.98as of 5 Nov, 18:22£144.04as of 5 Nov, 18:22
Amazon Warehouse offernot statednot statednot statednot stated
RRP (differs)£311.99£129.99£377.99£270.99
Price badgenot statednot statednot statednot stated
First available on Amazon (differs)Feb 2026 (8 mo old)Jul 2025 (1 yr 3 mo old)Apr 2025 (1 yr 7 mo old)Jan 2026 (9 mo old)
Brand (differs)ASRockGigabyteASUSASRock
SocketAM5AM5AM5AM5
ChipsetB850B850B850B850
Form factorMicro-ATXMicro-ATXMicro-ATXMicro-ATX
Memory typeDDR5DDR5DDR5DDR5
RAM slots (differs)42not stated2
Maximum RAMnot statednot statednot statednot stated
Fastest RAM speed stated (differs)8,000 MT/s9,600 MT/snot stated8,200 MT/s
M.2 slots (differs)not stated331
Newest PCIe generation statedPCIe 5.0PCIe 5.0PCIe 5.0PCIe 5.0
PCIe 5.0 graphics slot (differs)Yesnot statednot statedYes
PCIe 5.0 M.2 slot (differs)YesYesnot statedYes
WiFi (differs)WiFi 7WiFi 6ENone named in the listing titleWiFi 6E
Bluetooth (differs)5.4not statednot stated5.3
Wired LAN2.5GbE2.5GbE2.5GbE2.5GbE
USB4 / Thunderboltnot statednot statednot statednot stated
Fastest USB-C port (differs)not statednot stated5 Gbps5 Gbps
SATA ports (differs)not statednot statednot stated4
Power phases (as stated by the maker) (differs)8+1+18+2+2not stated6+1+1
BIOS flashback (differs)not statednot statedYesnot stated
Debug LED / POST codenot statednot statednot statednot stated
ARGB headers (differs)not statednot statedYesnot stated
Video outputsHDMI, DisplayPortHDMI, DisplayPortHDMI, DisplayPortHDMI, DisplayPort
Audio codec (differs)ALC897not statednot statednot stated
Colournot statednot statednot statednot stated
Amazon sales rank (differs)#50,419#139,388#9,626#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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