Seagate Savvio 10K.3 ST9900805SS SED 6Gb/s 64MB - hard drive - 900 GB - SAS-2. 100% Seagate Generic Firmware! ***Zero-Hours Seagate Factory Renew w/ 3 Year Industry Best Yobitech Warranty*** Please note: this is a 2.5" SAS hard drive equiped w/ SED (Self-Encrypting Drive) options. Seagate Savvio 10K.3 drive offers the best combination of enterprise performance and power efficiency, with large capacity for mainstream servers and external storage arrays. This third-generation Savvio drive gives you more than twice the number of drives over 3.5-inch products within the same rack configuration, and delivers a staggering 60 percent system-level performance increase. The Savvio 10K.3 drive is the world's first to operate at 6-Gb/s transfer rates, which is part of the SAS 2.0 feature set. SAS 2.0 was developed to provide additional signal and data integrity features to enable SAS to be ideally suited for use in high-end network storage applications. The 2.5-inch footprint enables the lowest power profile of any tier-1 mission-critical drive. The Savvio 10K.3 drive with PowerTrim technology uses 67 percent less power than a 3.5-inch 15K drive. The lower power footprint of 2.5-inch drives enables lower cooling costs. The 2.5-inch drive advantages translate into greater overall value and reduced total cost of ownership to IT organizations and administrators who want to optimize their data center power and performance efficiency