The HP SAS Hard Drives deliver high reliability for mission critical applications. Robust SAS interface (dual port, full duplex) for increased performance. HP Smart Carrier for HP ProLiant Servers (both Gen8 and Gen9 are supported). They maintain backward compatibility with existing standard hot-plug carriers to provide support for HP ProLiant G7 and earlier servers and server storage enclosures. They are ideal for transaction processing, database applications, analytics, high-performance computing and business applications. The 512e Advance Format Drive is ideal for 4KiB aligned operating systems and applications. They also support legacy 512K native applications.