The Dell ? USB Floppy Drive provides an easy way to add an external floppy. It is a standard 3.5" 1.44 MB drive with Universal Serial Bus (USB) interface. This drive is capable of storing up to 1.44 MB with 2HD disks and 720 KB with 2DD disks. With a MTBF of 30,000 Power On Hours (POH) this floppy drive provides a reliable storage option for your Dell ? notebooks. Just connect the drive and you are ready to start backing-up and exchanging files. Featuring hot-swap capability, the USB interface provides plug-and-play convenience by eliminating the need to turn off or restart the system when connecting. This floppy drive has been tested and validated on Dell ? systems to ensure it will work with your computer and is compatible with Dell ? 1100 / 5100 notebooks. It is supported by Dell ? Technical Support when used with a Dell ? system.