If you want to upgrade storage space for your laptop, game console, or desktop then the 320 GB Hitachi Travelstar Z5K320 internal hard drive is the ideal choice. The SATA interface in this Hitachi 320 GB Hard Drive lets you transfer files, and digital media contents at the speed of 300 MBps which is super fast. By enabling the Bulk Data Encryption (BDE) feature in this internal hard drive, you can securely protect all your valuable data. Moreover, TrueTrack technology safeguards the Hitachi Travelstar Z5K320 from shock and vibration and assures long life. Also, with 8 MB of cache memory, this Hitachi 320 GB Hard Drive lets you to search stored records in seconds. Thanks to a spindle speed of 5400 RPM, this Hitachi 320 GB Hard Drive executes read and write operations swiftly. What’s more, the internal hard drive is eco-friendly by avoiding the use of toxic or hazardous substances and hence is RoHS compliant.