Best-Fit Applications - Direct Attached Storage devices–USB/FireWire/eSATA - Network Attached Storage devices and Windows storage servers - Eco friendly PCs - High-capacity desktop storage Barracuda® Green drives from Seagate save you time. Available now with SATA 6Gb/s interface and 64MB cache and combined with the industry's only 5900-RPM spin speed, you can be sure you're getting the best performance in the green-power drive category. Seagate SmartAlign™ technology simplifies your transition to the Advanced Format (AF), 4K standard. There is no need for time-consuming integration utilities required by similar AF drives. Key Features and Benefits - A unique 5900-RPM speed delivers the fastest-performance eco friendly drive available. - Seagate SmartAlign technology allows you to get all the benefits of the new Advanced Format 4K sector standard without any hassle–no utilities, no extra steps. - The SATA 6Gb/s interface and 64MB cache maximize performance. - Low power consumption combined with leadership in the use of recycled materials means you don't have to sacrifice environmental stewardship for performance. - Cool, quiet operation