I have a lot of machines round the house, and some time ago I stopped buying a DVD unit to put in each - it simply didn't get enough use to justify it.
This drive works really well, and it also has Nero suite, which is a great burner, and the software is linked to the DVD drive. The USB aspect slows it down a bit, but for what I'm using it for that really doesn't matter. I am mostly using it for boot CD's and app disks, for installation and maintenance of machines.
It works at the BIOS level so it is fine with Linux as well, including installing Astaro security which I have on one machine.