Seagate Constellation 500 GB 7200RPM SATA 3Gb/s 32 MB Cache 2.5 Inch Internal Hard Drive - Bare Drive ST9500530NS

The Constellation 7200 hard drive enables manageable nearline storage solutions in 2.5" chassis — either direct attach or in a tiered storage environment — at the lowest power usage without compromising performance or reliability. Constellation 500GB SATA drives deliver cost-effective nearline storage. Seagate Constellation drives are the most energy efficient enterprise drives on the market. Now available in capacities to 500GB, they offer reliable storage for high capacity servers and storage arrays in a minimal footprint.

• Industry’s leading 2.5-inch, mainstream capacity, 15mm enterprise-class nearline drive for dense, space-constrained data centers
• Lowest operating power at less than 4 watts and up to 54 percent additional idle power savings with host-selectable, on-demand PowerChoice feature
• Industry’s highest-reliability in a 7200-RPM drive with a 1.2M-hour mean-time-between-failure (MTBF) rating that’s designed for 24x7 operation
• Best-in-class rotational vibration tolerance ensures unrivalled performance in high spindle-density applications, and multi-drive firmware maximizes system availability
• Ships in Certified Frustration-Free Packaging