The Unirex SSD Premium SSD with SSD Reader you have both an internal and external SSD. Get all the benefits of faster boot ups, application responses and shut downs when installed as an internal drive and then take it out of your lap top and use it as an external drive that delivers speeds up 500MBPS. Transfer/View Files On Multiple Devices As long as a device has a USB port you can connect your SSD to it and view and transfer files. Install your SSD into your main lap top to get all the benefits of an SSD, but instead of transferring files from your lap top to a USB drive, pop out the SSD and slide it into the reader and transfer files between devises at speeds more than 5 x of USB 3.0 Flash Drives.