You should get one with a fan like someone said before it affects the life of it. Also make sure you get one with USB 2.0 there shouldn’t be a speed difference since USB 2.0 transfers 480 Mbs. Make sure you have a USB 2.0 on your computer if not and you have 1.1 then you will notice a speed difference because it's 12 Mbs. I have used a DVD burner in external enclosure on USB 1.1 the only problem was that it did burn as fast.