This is the SATA 6Gb/s 512n model.The Seagate 2TB Exos 7E10 3.5 Internal Hard Drive provides bulk data storage for data center infrastructures requiring a highly reliable enterprise hard drive. It provides cost-effective, reliable access to unstructured data and helps to catalyse the datasphere, enabling data center architects and IT professionals to deliver trusted performance, rock-solid reliability, ironclad security, and low TCO for demanding 24×7 operations. The drive is backed by a 2 million hour MTBF rating and features a state-of-the-art cache, on-the-fly error-correction algorithms, and a rotational vibration design, helping ensure consistent performance in replicated and RAID multi-drive systems.