Seagate Constellation.2 ST91000640NS - hard drive - 1 TB - SATA 6Gb/s

The Seagate Constellation.2 drive is the only 2.5-inch enterprise-class hard drive delivering enterprise reliability at the industry's lowest power consumption for storage-hungry nearline applications. Self-Encrypting Drive (SED) and FIPS 140-2 Validated SED security options are available to help you protect your data.