Warranty3 years bios 2 x 128 mbit flash use of licensed ami uefi bios support for dualbios pnp 10a dmi 27 wfm 20 sm bios 27 acpi 50 chipsetintel z270 cpu interfacesocket 1151 ram technologyddr4 dual channel ram slots4 x 288 pin ram speeds ddr4 2133 ddr4 2400 oc ddr4 2666 oc ddr4 2800 oc ddr4 3000 oc ddr4 3200 oc ddr4 3300 oc ddr4 3333 oc ddr4 3400 oc ddr4 3466 oc ddr4 3600 oc ddr4 3666 oc ddr4 3733 oc ddr4 3866 oc ddr4 4000 oc max memory support64gb pci express 30 x