Seagate 1TB Constellation SAS 6Gb/s 64MB Cache 2.5-Inch Internal Bare Drive (ST91000640SS)

The Seagate Constellation.2 drive is the only 2.5-inch enterprise-class hard drive delivering both 1TB capacities and 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 available to help you protect your data. The Constellation Hard Drive maximizes data center footprint with up to 76TB per square foot, plus it provides energy efficient storage at under 3.9 watts (idle). In addition, this drive provides the highest nearline reliability with an MTBF of 1.4M hours and 6Gb/s performance in both SAS and SATA interfaces. This drive is the perfect solution when you need to: maximize capacity in servers and blade servers, build high-density direct attached storage (DAS); storage area networks (SAN); and network attached storage (NAS), store rich media content and centralized surveillance data, serve cloud-computing storage requirements, secure sensitive data at rest, simplify your drive life extension and drive retirement strategies.