The Seagate Constellation ES.2 3TB 3.5" SAS hard drive, model ST33000650SS, offers high performance and storage capacity. With a rotation speed of 7200 RPM and a cache of 64MB, it provides quick data transfer rates at 6Gb/s. This HDD is ideal for server applications, thanks to its reliable SAS interface and Seagate brand reputation. Made in Thailand, this hard drive is part of the Constellation product line, ensuring quality and efficiency in professional computing environments.