The Seagate ST91000640NS is a 1TB 2.5-inch SATA hard drive with a 5400 RPM spindle speed. It features a SATA 6Gb/s interface and 64MB cache for enhanced data transfer speeds.
Technical Specifications
1TB SATA 6GB/S 7.2K RPM 64MB DISC PROD SPCL SOURCING SEE NOTES