you need to do this for what reason
Got a 4Gb xbox bundle with the Kinect last year, bought a 120Gb hard drive in a xbox caddy to slot in. Now I don't have to delete my saved games. and can have all my sh!t installed on it, like Forza content I had to skip out on (not that I played it much, but maybe I would have had I had better content) because I didn't have the capacity
and all the apps with the new xbox dashboard. and the emulation for original xbox games (Sega games pack here I come!)... the list goes on really
Got 4Gb on board, 120Gb showing as a proper hard drive in it now and the 512Mb Cloud storage. Sorted.
Saving / loading and even exiting / entering buildings in Skyrim is faster now
The installation of the hard drive in this EggBox S is easy, turn upside down & slide button, pull up panel, insert drive, put panel back in place.