Intel Z370 LGA1151 socket only for 8th Gen Intel Core Processor * Not backward compatible with older generation of LGA 1151 CPUs DDR4 4000(O. C. )*/ 3866(O. C. )*/ 3733(O. C. )*/ 3600(O. C. )*/ 3466(O. C. )*/ 3400(O. C. )*/ 3333(O. C. )*/ 3300(O. C. )*/ 3200(O. C. )*/ 3000(O. C. )*/ 2800(O. C. )*/ 2666 / 2400 / 2133 *The maximum memory frequency supported varies by processor 5X Protection III Hardware-level safeguards with SafeSlot Core, LANGuard and Overvoltage Protection provide component longevity and reliability Unique SafeSlot Core fortifies PCIe slots preventing damage caused by heavyweight GPUs FanXpert 4 Core with AIO Pump Header delivers advanced fan control for dynamic system cooling 8-channel HD Gaming Audio featuring Realtek ALC887 high definition audio codec Don't forget your OS, we have Windows 11 OEM, 10 OEM, Download and USB versions available