Seagate Constellation.2 drives are the most energy efficient enterprise drives on the market. Designed for enterprise robustness, Constellation.2 is available in capacities up to 1TB and offers reliable storage for high capacity servers and storage arrays in a minimal footprint. Manufacturer: Seagate Technology Manufacturer Part Number: ST91000640NS Manufacturer Website Address: http://www.seagate.com Brand Name: Seagate Product Line: Constellation.2 Product Model: ST91000640NS Product Name: Constellation.2 ST91000640NS Hard Drive Product Type: Hard Drive Interfaces/Ports: Drive Interface: SATA Interfaces/Ports: Drive Interface Standard: SATA/600 Physical Characteristics: Drive Type: Internal