Hitachi 500GB Ultrastar A7K2000 7200rpm Enterprise HDD - 1.2 million MTBF, 24x7 Availability, 5 Years Warranty, SATA II 3.0Gbs, 32MB Cache

* Enhanced Rotational Vibration Safeguard (RVS) for robust performance in multi-drive environments * 24x7 enterprise-class duty cycle * Targeted 1.2 million hours MTBF * Applications: Data warehousing & mining, Disk-to-disk backup & archiving, Rack mounted RAID arrays, Network Attached Storage (NAS), Cloud storage & Massive Scale Out (MSO) * 5 Advanced Power Management modes save up to 36% power usage during idle * Hitachi EcoTrac classification * 5 Years Warranty