The Seagate Constellation ES.3 enterprise HDD delivers the scalability that data centres need to meet their demanding growth of unstructured data reliably. - Highest-capacity enterprise drive, up to 4TB for maximum density server and storage solutions - Perfect for reliable, 24×7 bulk data storage - Predictable 7,200-rpm performance even in the most rugged multi-drive SAS or SATA environments - Best-in-class energy efficiency with low power and cooling requirements