As Ultra320 enters the market as the fastest SCSI interface speed, HP is right there to match the competition. As in previous generations, the 15K drive technology provides an unparalleled level of performance improvement over current 10, 000rpm (10K) HDDs. The HP 15K HDDs require no more cooling or power consumption than the 10K HDD family. The 15K drives access data an average of 26% faster than current 10K drives, resulting in improved productivity and profitability.