Western Digital has the biggest notebook hard drive on the block. It comes in the form of their new 320GB Scorpio Serial ATA hard drive for laptops.
The 2.5-inch hard drive (model number WD3200BEVT) has a rotational speed of 5400 rpm, an access time of 12 ms, a 8MB cache and uses 3Gb/s SATA.
Other notable features are its built-in shock protection and WhisperDrive technology. Its also slim, with its 9.5mm form-factor. The 320GB Scorpio is available now for $199.

