Single Bulk Pack WD AV-GP 320GB 5400RPM 16MB SATA 3GB/S. 3.5" Serial ATA-300. Drive Transfer Rate 300 MBps (external). Internal Data Rate110 MBps. Features Native Command Queuing (NCQ), IntelliSeek, Preemptive Wear Leveling (PWL), SilkStream, IntelliPark, IntelliPower, GreenPower technology.
