A high-performance storage solution featuring ultra-fast Thunderbolt and USB 3.0 interfaces in an all aluminum enclosure. G-DRIVE with Thunderbolt is perfect for storage-intensive applications like audio/video editing or digital photography. Features include: up to 4TB of storage • 165MB/s transfer rate • compatible with Mac or Windows • stylish aluminum design • 3-year limited warranty • works with Time Machine®, plug-and-play setup on Mac OS.