Xecuter's X360USB PRO the easiest way to flash your Xbox 360 drives firmware! Supports all FAT Xbox 360s and SLIM Liteon 9504, more coming soon! Also Convert any 2.5" SATA Hard Drive to be 100% XBOX 360 Compatible with the X360USB PRO HDD HACKER TOOL. This a must have device for any 360 modder.

Xecuter's X360USB PRO is the world's first SATA to USB Mass-Storage controller that not only enables WINAPI over USB, but also PORTIO. This powerful all-in-one converter can be used with any software or hardware that uses these signals to work. Designed by Team Xecuter in conjunction with the experts at Team Jungle, the X360USB PRO adapter is the most advanced WINAPI/PORTIO to USB adapter ever created. One stand out feature is that you are now able to connect all Xbox 360 DVD drives to any PC or Laptop for the first time simply by connecting to a USB port. No more struggling with specific SATA chipsets or issues with awkward operating system setups. Now tasks such as repairing your Xbox 360 DVD drives firmware or upgrading your broken DVD drive to a new one without the expensive fees charged by the manufacture just got easier than ever before. Whether you are a beginner or advanced user, this multi-use Mass-Storage controller is an essential addition to any toolkit.

The X360USB PRO includes the following features:

    Connect any SATA device to any PC or laptop via USB
    Compatible with Xbox 360 DVD drives Hitachi, Samsung, Benq & Liteon (FAT)*
    Compatible with Xbox 360 DVD drives Liteon & Hitachi (SLIM)
    Repair your Xbox 360 DVD Drive within minutes - no more weeks of waiting !
    No SATA Port Required
    Fully compatible with tools like Jungle Flasher
    No More Driver / OS / SATA / Compatibility Problems
    Fully Upgradeable On-Board Firmware
    Supports Mass Storage Mode As Default
    Dual Mode PORTIO & WINAPI
    Enhanced WINAPI speed for tools such as Xbox Backup Creator*
    Convert any 2.5" SATA Hard Drive to be 100% XBOX 360 Compatible
    Power, Status & Activity LED's
    Team Xecuter's Superior Manufacturing Quality
    Team Xecuter Backed Warranty
    24/7 Support Forums - Over 176,000 Members Since 2002
    Official Product Website: http://www.x360usb.com

Currently, all FAT XBOX drives are supported.  

Slim Drives:

The Liteon 9504 drive is supported, read and write to the drive is possible! (Firmware has been released!)
As for the 0225 drive, currently you can connect, and read the Firmware on the drive. (No firmware is released yet or write solution is released yet.)

*Some Fat liteons require probe for key extraction.