Silicon Power SP500GBPHDA15S3L is a durable and fast portable hard drive with a 500GB capacity. It features a shock-resistant rubber case, an advanced internal hard drive suspension system, and a one-touch auto-backup button. The drive is USB 3.0 compliant and backwards compatible with USB 2.0, providing fast data transfer speeds. It has an LED indicator for power and data transfer activity, and it is powered by the USB port, eliminating the need for an external adapter.