As petabyte pb growth continues to increase at a rapid pace corporate and cloud data centers are under extreme pressure to improve the efficiency of storage to address this data center challenge hgst introduces ultrastar 7k6000 delivering up to 6tb of capacity and an industry standard 3 5 inch hard drive for capacity optimized enterprise applications ultrastar 7k6000 provides 50 more capacity and 33 better power efficiency in terms of watts per terabyte wtb than its predecessor