The Deskstar 7K80 is the second generation Deskstar drive to enable the host system to optimize storage of data. This is achieved by Hitachi's "Smooth Stream" technology which gives the host control over the drive's error recovery process. This important ATA-7 standard features fine tunes the Deskstar to record and play multiple standard definition and high definition video streams.The 7K80 provides all of these enhancements to enable faster data access and better power management to the system. The drive is also backward compatible for those wishing to upgrade their storage of SATA 1.0 systems.