It spins at 15,000 RPM to provide fast access to the stored data and has 16MB cache for better read/write response times.
The Ultrastar 15K450 is available in 300GB or 450GB capacities in 3Gb/s Serial-Attached SCSI and 4Gb/s Fiber Channel interfaces for flexibility. It offers numerous features to guarantee reliable performance including Rotational Vibration Safeguard which ensures drive performance in multi-drive systems and end-to-end data protection for improved error detection. The drive is also one of the few in its class to offer a head load/unload ramp to minimize drive failures and is Hitachi's first drive to use PMR technology for improvied reliability. The Ultrastar 15K450 comes with a 5 year limited warranty.