Sure, it's expensive, but it is the Microsoft product, it's all over, and with a LIVE Gold subscription that allowed me to have 30 titles in one year, it became urgent to increase the capacity of my console storage. After storing the various contents of an external hard drive converted for the occasion (since updated April over limitation to 32 GB. The limit rises to 2 TB) I opened the hatch in the console, pulled the ribbon to release the old disk and remove it, put it in place, closed. And presto! My console was going to 500GB. She redid the update of April and the one for the Kinect and I could retransfer of external to internal disk (takes a bit of time and be sure to succeed must do is ... Move along, but that's where you need the dedicated cable to nearly 20.