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Side-by-side comparison of 2 motherboards
SpecificationASUS PRIME B850-PLUS-CSMGIGABYTE B850 Eagle WIFI7 ICE AMD AM5 LGA 1718 Motherboard
Price (new) (differs)£161.99as of 20 Sep, 02:43£172.69as of 20 Sep, 02:43
Amazon Warehouse offernot statednot stated
RRP (differs)£161.99not stated
Price badgenot statednot stated
First available on Amazon (differs)Mar 2025 (1 yr 6 mo old)Jun 2025 (1 yr 3 mo old)
Brand (differs)ASUSGigabyte
SocketAM5AM5
ChipsetB850B850
Form factorATXATX
Memory typeDDR5DDR5
RAM slots (differs)not stated4
Maximum RAMnot statednot stated
Fastest RAM speed statednot statednot stated
M.2 slots33
Newest PCIe generation statedPCIe 5.0PCIe 5.0
PCIe 5.0 graphics slotnot statednot stated
PCIe 5.0 M.2 slotnot statednot stated
WiFi (differs)WiFi 6EWiFi 7
Bluetoothnot statednot stated
Wired LAN2.5GbE2.5GbE
USB4 / Thunderboltnot statednot stated
Fastest USB-C port (differs)10 Gbpsnot stated
SATA portsnot statednot stated
Power phases (as stated by the maker) (differs)8+2+18+2+2
BIOS flashbacknot statednot stated
Debug LED / POST codenot statednot stated
ARGB headers (differs)Yesnot stated
Video outputs (differs)HDMI, DisplayPortnot stated
Audio codecnot statednot stated
Colour (differs)not statedWhite
Amazon sales rank (differs)#14,478#53,488
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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