The AKiTiO Neutrino Thunder D3 2TB (2x 1TB SSD) Enclosure is experience the awesome speed, performance and flexibility of Thunderbolt. This compact and easy to use device was built for speed and portability. The dual interface with USB 3.0 promises compatibility with all systems. The product is available bundled with either hard drives or solid state drives (SSD"s) or as an empty enclosure thereby allowing users to install the drives of their choice. Convenient removable trays allow for easy removal and replacement of drives without the need for any tools. The drives are kept cool by the built-in fan. High-Speed I/O Performance By incorporating the awesome Thunderbolt connection and combining it with two SSD drives that can keep up in a RAID 0 software RAID, AKiTiO"s Neutrino Thunder D3 is ready to deliver an extremely fast throughput performance. Dual Interface The dual interface promises compatibility with all systems. Achieve ultra fast transfer rates with either Thunderbolt or USB 3.0 Super Speed but know that if necessary, you can always fall back to USB 2.0 for maximum flexibility. Hassle-free and compact, the Neutrino Thunder D3 is the ideal companion for your notebook. Benchmark Test Environment: Mac Book Pro (Retina, Mid 2012), Mac OS 10.8.4, Thunderbolt interface, Apple Software RAID (RAID 0), 2 x SanDisk SSD P5 256GB, Blackmagic Disk Speed Test v2.1.