1. This hard drive is a real 250GB, not an upgrade, used on XBOX360slim official system and home-made system!
2. The official system is that the XBOX360slim host has not been changed or cracked, it is the official system!
3. The self-made system is an XBOX360slim host that has been upgraded or cracked, it is a self-made system!
Both of the above systems can be supported
4. . You can install the game to the hard disk to play. Greatly reduce the time of game reading.
5. The hard disk drive does not work when playing games, reducing the noise of the disk drive reading.
6. The optical drive stops working, and the heat decreases accordingly.