The 12.0 Gbit/s SAS interface AL15SEB Series Enterprise Performance HDDs provide up to 2.4 TB capacity and 10,500rpm performance with Enterprise-class reliability. Engineered for mission critical IT operations, including database servers and hybrid storage platforms, AL15SE Series provides a range of models including 512 native (512n), or emulated 512 (512e) or 4K native(4Kn) sector length technologies for suitable application and operating system compatibility. Toshiba Persistent Write Cache technology protects against data loss in the event of unexpected power loss, and helps maintain suitable performance and data reliability for high-duty cycle Mission Critical environments.