Intel Core i5-4690 Processor (6M Cache, 3.5 GHz upto 3.90 GHz) BX80646I54690 Compatible with Z87 and Z97 motherboards. Z87 motherboard users may need to apply a BIOS update for compatibility. LGA 1150 ,Processor Base Frequency 	3.5 GHz, Max Turbo Frequency 	3.9 GHz Intel Rapid Storage Technology Quick Sync Video enabling faster video conversion Intel Device Protection with Boot Guard Compatible with Z87 and Z97 motherboards. Z87 motherboard users may need to apply a BIOS update for compatibility. LGA 1150 Intel Rapid Storage Technology Quick Sync Video enabling faster video conversion Intel Device Protection with Boot Guard