Hitachi introduces new 2.5" 7200RPM disks

Hitachi has raised the bar for 2,5" 7200rpm notebook hard disks with the introduction of it's Travelstar 7K320.  As the name suggests, the maximal capacity is 320GB, 60% more compared to it's predecessor. Hitachi also claims a performance advantage of up to 12% and 22% less power consumption (Hitachi says the power consumption will be similar to it's 5400rpm disks). 

The disk features a 3Gb/s SATA interface, can resist shocks of 400G and can also be purchased in a Bulk Data Encryption (BDE) or enhanced-availability (EA) model for 24x7 use. The drives are also available in smaller sizes, the smallest being 80GB. Full specifications are as following:

• Height: 9.5mm
• 252 billion bits per square inch maximum areal density
• 400G/2ms operating shock
• 4.2ms average latency
• 12ms average read time
• Verbuik: 1,0W idle, 0,8W low-power idle
• Serial ATA 3Gb/s, 1.5Gb/s encrypted
• 115/110 grams in weight
• Soundproduction: 2,5Bels idle, 2,8Bels actief
  

Though the EA model won't be available till the third quarter of this year, the other versions are already on the market. 

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