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Side-by-side comparison of 2 motherboards
SpecificationMB ASRock AMD AM5 B850M Riptide WiFiASUS PRIME B850M-A-CSM
Price (new) (differs)£150.94as of 20 Sep, 06:22£144.98as of 20 Sep, 06:22
Amazon Warehouse offernot statednot stated
RRP (differs)£366.99£377.99
Price badgenot statednot stated
First available on Amazon (differs)Jan 2025 (1 yr 8 mo old)Apr 2025 (1 yr 5 mo old)
Brand (differs)ASRockASUS
SocketAM5AM5
ChipsetB850B850
Form factorMicro-ATXMicro-ATX
Memory typeDDR5DDR5
RAM slotsnot statednot stated
Maximum RAMnot statednot stated
Fastest RAM speed statednot statednot stated
M.2 slots (differs)not stated3
Newest PCIe generation stated (differs)not statedPCIe 5.0
PCIe 5.0 graphics slotnot statednot stated
PCIe 5.0 M.2 slotnot statednot stated
WiFi (differs)Yes (generation not stated)None named in the listing title
Bluetoothnot statednot stated
Wired LAN (differs)not stated2.5GbE
USB4 / Thunderboltnot statednot stated
Fastest USB-C port (differs)not stated5 Gbps
SATA portsnot statednot stated
Power phases (as stated by the maker)not statednot stated
BIOS flashback (differs)not statedYes
Debug LED / POST codenot statednot stated
ARGB headers (differs)not statedYes
Video outputs (differs)not statedHDMI, DisplayPort
Audio codecnot statednot stated
Colournot statednot stated
Amazon sales rank (differs)#62,449#13,264
BuyCheck 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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