Compact Flash To 1.8" IDE
Allows a compact flash card to be read over a mini IDE interface
Approximately 51mm x 48mm x 6mm
Can be used in iPod Photo/ 4th gen etc. to create SSD 
Supports CF I or CF II
Requires an ATA compatible CF card
Not for iPod Classic or Video (see my shop for compatible version)
Any questions, please ask.