[pointex]

No custom firmware required for operation** - you can update to the latest official firmware for PSN access

** Currently firmware 3.55 is required for exctracting the drive key. Once the key has been extracted the PS3 can be updated to any official or custom firmware. We are working on hardware methods for extracting keys from PS3's already on 4.x firmware.

http://www.3k3y.com/features/