DESC: Today's distributed enterprise is seeing larger, more complex applications often in mission-critical environments. This is why drives undergo an intense qualification process that eliminates data, firmware and operating systems incompatibilities and other causes of data corruption or premature failure.??Only those drives whose performance is suitable for an enterprise environment are selected through the qualification process and are labeled "best in class". The StorageWorks 15K RPM 36GB Fiber Channel hard disk drives are proven to be reliable and tuned for optimum performance in conjunction with the Enterprise Virtual Array Version 2.