Apricorn Velocity Duo SSD Upgrade Kit and Disc Array for PC and Mac (VEL-DUO) Upgrade your desktop system to a high-speed dual SSD RAID 0 with the latest SATA III interface Uses a single PCIe 2.0 slot (x2 or larger) for data transfer speeds up to 800 MB/sec Boots in an instant, opens applications in a flash, improves read and write speeds Includes Apricorn EZ Gig IV cloning software with Data Select for Windows. Ideal for use as a boot disk or scratch disk Compatible with 2.5" SATA III and SATA II SSDs and hard drives TRIM Compatible and can access capacities in excess of 2.2TB