OWC/Other World Computing 480GB Mercury Electra Internal SATA 2.5" 3G SSD, 285MB/s Read Speed and 275MB/s Write Speed Compatible with nearly any Mac or PC with a Serial ATA connection (SATA, SATA 2.0, or SATA 3.0) One of the fastest internal SATA 2.5" 7mm SSDs available Ultra-efficient block management & wear leveling 3 year OWC limited warranty