Seagate Technology internal hard drives are noted for their robustness, reliability, and affordability. Our Seagate Technology ST4000DX001 Seagate Desktop SSHD 4TB MLC SATA 6Gb/s 64MB Cache 3.5-inch Solid State Hybrid Drive has been designed to meet the requirements for both medium and enterprise storage. It offers excellent performance with a great capacity and higher rotational speed, as well as a large cache which ensures data access is quick and smooth. In addition, our products are able to adapt to expanding virtual environment, fit into existing budgets, and make sure that data is ready when it's needed. At Seagate Technology we strive to supply a varied selection of cutting-edge Hard Drive products that satisfy the needs of all storage markets, whilst continuing to push Hard Drive technologies forward in order to surpass customer expectations.