Intel Core i5-4590S BX80646I54590S Processor (6M Cache, 3 GHz) Compatible with Z87 and Z97 motherboards. Z87 motherboard users may need to apply a BIOS update for compatibility. LGA 1150 (Processor Base Frequency : 3 GHz, Max Turbo Frequency 	3.7 GHz ) Intel Rapid Storage Technology Quick Sync Video enabling faster video conversion Intel Device Protection with Boot Guard