- 8TB Storage Capacity - Thunderbolt and USB 3.0 Ports - Up to 245 MB/s Data Transfer Speed - AC Powered - Aluminum Enclosure - USB 3.0 and Thunderbolt Cables Included - Preformatted HFS+ for Mac - Windows Compatible via Reformat The 8TB G-DRIVE with Thunderbolt from G-Technology is an external 7200 rpm hard drive complete with a 64MB cache . The enclosure of this drive features both Thunderbolt and USB 3.0 ports, allowing you to connect this drive to a variety of computer configurations. Once connected, the drive is capable of data transfer speeds of up to 205 MB/s making it the ideal storage solution for a variety of data-intensive applications. The drive itself comes pre-formatted for use with Mac computers running Mac OS 10.7 and higher, and can easily be reformatted for use with PCs running Windows 8 or Windows 7. In addition to Mac compatibility, the G-DRIVE is also compatible with Apple Time Machine for easy backup of your critical system information and other important data files. The 8TB G-DRIVE with Thunderbolt operates using a 100-240 VAC power adapter. model : ADATA XPG SX6000 Lite 512GB PCIe 3D NAND PCIe Internal Solid State Drive tag : NAS