You just want to go to your friend and share some GB of data. Wouldn`t it be nice if you just needed to take your hard disk and go.
The USB to IDE adapter is the right thing in this situation. It is a profitable investment if you want to share a large amount of data comfortable and fast.
If you remove the device you can easily unplug it from the PC without needing a reboot. Another usefull application area is for making backups.
You can choose if you want to use a CD/DVD-burner or a hard disk for your backup.
In fact you can connect the hard disk or the burner to each PC who has a USB interface. The adapter is a small helper to stay flexible. With this USB 2.0 adapter you can connect each IDE device to the USB interface. No matter if this is a Iomega Zip, CD-Rom, CD-RW, DVD-Rom or a IDE HDD.