OWC 1.0 TB Aura SSD for Mac Pro: Internal Solid-State Drive Upgrade and Envoy Pro Storage Solution Internal Solid-State Drive Upgrade For Mac Pro, and Envoy Pro Storage Solution for Re-purposing the factory-installed SSD as a blazing fast portable drive The First internal SSD upgrade for 2013 Mac Pro, 1TB internal capacity - Up to 4x more than the factory drive Compatible with Mac Pro 2013, Model ID: MacPro6,1; MAY NOT BE COMPATIBLE WITH macOS 10.13 High Sierra Includes: Aura SSD, Envoy Pro USB 3.0 enclosure, USB 3.0 connecting cable, Torx T8 screwdriver, 3 year comprehensive OWC SSD warranty 1 TB (960GB), Custom blade, 4x Sandforce SF2281 with 7% Over Provisioning, Marvell 88SE9230, PCIe 2.0 x2, AHCI Compliant, RoHS Compliant, Performance: Read: 726MB/s Write: 698MB/s