First of all, Wave doesn't have a 'trusted drive'. Seagate will produce a trusted drive. This refers to a 'virtual' drive, which is a way of describing an extent of hard drive space that is not located on any particular physical hard drive, and being placed there, has its data encrypted using the TPM. If this doesn't clarify things for you, you will need to read up on some basic computer technology concepts, particularly, the concept of 'virtuality'.