Hitachi has updated its TravelStar laptop hard drive products with a 320GB disk that spins at 7,200rpm.

The 2.5-inch Travelstar 7K320 beats its year-old 7,200rpm predecessor by 120GB data capacity. Hitachi also claims that TravelStar 7K320 increases an application performance gain of 12% and reduce power consumption by 22%. Power specs are: 1.8W read/write power and 0.2W standby power.

The TravelStar 7K320 drive can be connected to a SATA 3Gb/s interface or to a SATA 1.5Gb/s in models featuring on-board automatic data encryption technology.