Dell 4TB SATA 7.2k 3.5" 6G Hard Drive 9PR63 Increase the storage capacity of your server with this 4TB SATA hard drive from Dell. Featuring SATA interface, this drive offers a good rotational speed, providing fast disk access. Specifications Manufacturer: Dell Model Number: 9PR63/ST4000NM0033 Product Type: Hard Disk Drive Capacity: 4TB Rotational Speed: 7200RPM Form Factor: 3.5 Inch Interface: SATA 6Gb/s Warranty: 1-Year Shipping: Free (2-3 days USA)