This Dell 19-in-1 media/flash card reader (model number 0G7V21) is a versatile accessory that will allow you to transfer files from various memory cards including SD, SmartMedia, xD-Picture Card, Memory Stick, Memory Stick PRO, and MiniSD. It has a SATA connectivity and is compatible with Dell machines only. The unit includes a DVD-RW and a caddy (model number 0NR95F) and comes with no manufacturer warranty. It can be used with laptops and desktop computers alike and is perfect for those who need to transfer data between different devices quickly.