Upgrade your Xbox 360's hard drive on the cheap

Save money by upgrading your 20GB Xbox 360 hard drive to 120GB without buying Microsoft's overpriced add-on.

  • Remove Your Xbox 360 Drive

    With this slightly tricky hack, you can save a bundle while boosting your game console's storage capacity to hold more music, video, and other media files.
    You'll need a DOS installation on a writable flash thumb drive for this hack. (The utility doesn't work under Windows, and you'll also be disconnecting your PC's hard drive.) First, grab a spare USB thumb drive and copy the HP Drive Key Boot Utility to it. The utility is designed for HP flash drives, but it works on other types of flash drives, too. Also download and mount a DOS image file.
    This hack is designed to work with a specific drive, the 120GB Western Digital Scorpio, model number WDGWD1200BEVS. You'll be replacing the drive's native firmware with Xbox-recognized firmware. You can track down the firmware online by doing a search for "hddss.bin 120 Xbox 360." Place the hddss.bin file in the root of your DOS thumb drive.
    Once you have these items and files ready, begin the upgrade by removing your Xbox 360's hard drive from the game console.
    (Just don't expect us to get you a new Xbox 360 if it all goes wrong!)
  • Install the New Drive in the Xbox 360

    Remove the newly formatted 120GB drive from your PC and install it into the Xbox 360 drive enclosure. Put the enclosure back together, reattach it to the console, and turn the console on. Follow the prompt under 'System, Memory' to format the new drive; after formatting is complete, the drive will be ready for use.
  • Boot From the Thumb Drive and Format the Hard Drive

    Afterward, boot from your DOS thumb drive (specify a boot drive in your PC's BIOS, if necessary). At the DOS command line, type "run hddhackr –f" (don't include the quotation marks) and press Enter. You'll be prompted to make a backup of the original drive firmware; do so. Continue with the process to flash the firmware on the new hard drive. After a few seconds, you'll be prompted to restart the computer. Once you have done so, run the "hddhackr –f" command again, and it should report that the hard drive has been formatted for the Xbox 360.
  • Slide Out the Drive

    With the retaining screws removed, disconnect the drive from the SATA-and-power cable, and slide the drive out of the enclosure.
  • Open the Drive Enclosure

    Use a Torx screwdriver to open the drive enclosure, exposing the interior drive cage. Next, remove the four screws holding the drive into the cage.
  • Install the New Drive in Your PC

    With your PC turned off, unplug any other SATA devices and then connect the new Scorpio drive to one of the SATA cables and to a power lead.
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