"As 2,5" laptop drives already range up to 320 GB in storage space, in worst case scenario they can contain virtually endless
amounts of classified material that in wrong hands can lead to huge problems. Silverstonetek has come up with a nice product
aimed at the markets of secure external hard disks - RFID protected TS01B 2,5" hard disk enclosure."

http://hardware.gamershell.com/forum/forumdisplay.php?f=42