Mainboard, and SPD. AllAMD FM2+ A10 series CPUs (7000 series and higher) and FM2+ socket motherboards will work at 1866 MHz or higher. Z77 is more problematic. HX318C10FK2/16 Compatible. In Windows 10, you can find out your CPU & motherboard type with the "msinfo32" command, and use AI to verify if your CPU and motherboard support 1866MHz.
