The Seagate Exos X18 Internal HDD boasts an impressive storage capacity of 18TB, complemented by a SATA III 6 Gb/s Interface, a 3.5" Form Factor, a generous 256MB Cache, and a rapid 7200 RPM Spindle Speed. This professional-grade drive leverages its 7200rpm spindle speed and SATA III 6 Gb/s interface to achieve data transfer rates of up to 270 MB/s, catering to demanding workloads with ease. Backed by an MTBF rating of 2.5 million hours, it integrates built-in digital sensors to ensure optimal performance, alongside features such as PowerBalance for reduced power consumption and a helium seal for enhanced durability and leak protection, while also minimizing power usage and weight. The Seagate Exos X18 Internal HDD is tailored for various Best-Fit Applications, including hyperscale applications/cloud data centers, massive scale-out data centers, big data applications, high-capacity density RAID storage, mainstream enterprise external storage arrays, distributed file systems like Hadoop and Ceph, enterprise backup and restore (D2D, virtual tape), and centralized surveillance systems. Its proven enterprise-class reliability is underscored by a 2.5M-hour MTBF rating, offering assurance in demanding operational environments. Additionally, the latest iteration of the Seagate Exos X18 18TB 7200rpm SATA III 3.5" Internal HDD comes with a generous 5-year warranty, providing peace of mind to users.