The My Passport Studio models come in 500GB, 750GB and 1TB capacities with respective price points of $129, $159 and $179.

The Studio models have an all-metal chassis and feature two FireWire 800 ports and a USB 2.0 port, along with encryption and password-protection software.

The My Passport for Mac drops the FireWire port, metal enclosure and security features.

It comes in the same capacities with price points of $99, $119 and $129, respectively.

All models are available immediately.