Single Bulk Pack Seagate Savvio 10K.6 SAS 6-Gb/s 900-GB Hard Drive with Secure Encryption, 64MB Cache, 10000 RPM. The perfect upgrade for slower 2.5-inch, 10K-RPM or lower-capacity 3.5-inch, 15K-RPM hard drives, the 2.5-inch Seagate Savvio 10K.6 enterprise hard drive delivers high capacity up to 900GB along with outstanding efficiency, reliability and government-grade security data protection options. The Savvio 10K.6 drive provides best-in-class performance in a small footprint to help data centers meet demanding service level agreements.