First of all, none of those are slot-loading. They're all tray-loading.Originally Posted by MrLister
No, they don't use a lot of power. They're designed for laptops.
The first & third links (the Nu and the Toshiba) can write double-layer DVDs. Besides that, the only difference is CD write speeds.
You do realize that if you scroll down the page, it lists specifications for each one of those drives, don't you?