OWC 1.0TB Aura SSD Flash Internal Drive for Mid-2013 and Later MacBook Air and Mid 2013-Mid 2015 MacBook Pro with Retina Display The first and only SSD upgrade for mid-2013 and later MacBook Pro with Retina display and MacBook Air laptops Up to 8x the capacity of your factory SSD SSD: Flash Controller: Silicon Motion 2246XT, RAID Controller: Marvell 9230 960GB usable capacityTotal Flash Memory Components - 1024GB64GB allocated to real-time data redundancy & error correction