The IBM 46W0979 hard disk drive offers 4TB of storage capacity, housed in a 3.5-inch form factor. This robust storage device is engineered to meet the demanding requirements of enterprise-level environments where large data storage capacity and reliability are critical. Though specific performance details such as RPM or interface type are not specified in the product title, the drive's size and form factor make it a versatile choice for a variety of applications, including data warehousing, video surveillance storage, and extensive data archives. Its compatibility with IBM server and storage solutions ensures that it can be seamlessly integrated into existing infrastructures, providing a straightforward solution to expand storage capacity. With a focus on reliability and performance, the IBM 46W0979 HDD is designed to support continuous operation in challenging operational environments, making it a valuable asset for businesses looking to enhance their data management practices.