Enermax Ultrabox Hard Disk Enclosure (EB311SC) Two Super charge ports for smartphones and tablets. (Up to 2.4A) Fitting for 2.5" and 3.5" SATA I/II/III HDD or SSD Supports USB 3.0 Super Speed: Maximum transfer rate up to 5Gb/sec One button duplicate: Stand alone function allow to duplicate drive without setting through the computer Plug and play Hot Swap capability HDD capacity unlimited Duplicate status and power LED status indicator