<b>px12-400r/450r Server Class HDD Expansion Pack (Hitachi HUA723020ALA640)</b><br><br>The Hitachi Ultrastar 7K3000 is the world’s first and only 7200 RPM hard drive rated at 2.0 million hours MTBF and backed by a five-year limited warranty. The Ultrastar 7K3000 represents the fifth-generation Hitachi 5-platter mechanical design, first introduced in 2004, and has been field proven by top server and storage OEMs as well as leading Internet giants. When the highest quality and reliability are a top requirement, customer field data proves that the Ultrastar 7K3000 delivers by reducing downtime, eliminating service calls and keeping TCO to a minimum.

Engineered for the highest reliability, the Ultrastar 7K3000 is not only put through grueling design tests during development but must also pass stringent ongoing reliability testing during manufacturing. Across the entire Ultrastar family, world-class quality control, combined with scientific root-cause analysis and multi-faceted corrective a This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-042-0958, indicating validated use in U.S. government and defense logistics supply chains.