The 4TB Constellation ES.3 Enterprise 3.5" SATA Internal Hard Drive (OEM) from Seagate delivers the scalability that data centers need to reliably meet their demanding growth of unstructured data and a performance which makes it ideal for use in desktop computers, all-in-one PCs, creating PC-based gaming systems, implementing a desktop RAID, outfitting direct attached external storage devices and building network attached storage devices. It features a SATA 6 Gb/s interface, 7200 rpm rotational speed and a 128MB cache.Highest-capacity enterprise driveThe Constellation ES.3 comes with a 3.5" (8.89cm) form factor, and is the perfect foundation for building maximum density server and storage solutions. These capacity-optimized hard drives support up to 152TB of storage per square foot to provide a great return-on-investment for your enterprise storage24×7 bulk data storageBuilding high-capacity RAID storage solutions requires predictable and consistent performance. The Constellation ES.3 ensures that your data is stored reliably in multi-drive chassis solutions.Boost your storage capacities and conserve powerStoring massive amounts of unstructured data is easy and smart with this hard drive. Designed with best-in-class energy efficiency, it uses a minimum power and cooling envelope to store up to 152TB per square foot.Maximize your data footprintThe hard drive comes in a 3.5" (8.89cm) form factor. Build cost-effective maximum capacity storage solutions with enterprise-class, 7200 rpm drives in capacities of up to 4TB. Select from sixth-generation SAS or SATA interfaces for easy integration.