KEYDEX Silver Smart-Sleek-Stackable SuperSpeed USB 3.0 External 2.5" HDD Enclosure Super Speed USB 3.0 Data Transmission - Maximum transmission speed: 4.8 Gb/s (10 times faster than USB 2.0). Maximum HDD capacity: 1TB Hard Drive Stabilizer - Innovative anti-vibration, shock-absorbing, soft silicon stabilizer embracing the hard drive, reducing accidental data loss. Stackable Case Design - Stackable units to increase desk space with aesthetic pleasing colors. Fast Hand Assemble Without Tools - The next generation of SuperSpeed USB 3.0 2.5" HDD Enclosure, with unique screw-less, tool-free structure, easy to install or replace the hard disk in 25 seconds. Light Weight & Portable - Dimension (cm): 13.7 x 8 x 1.94 / Weight: 70g