The 16TB Exos X18 7200 rpm SATA III 3.5" Internal HDD from Seagate is a high-performance, large-capacity drive designed for hyperscale cloud scalability, massive scale-out data centers, big data applications, high-capacity density RAID storage, and other demanding tasks that require 24/7 operation. This 7200 rpm drive utilizes a SATA III 6 Gb/s interface for data transfer rates of up to 261 MB/s. As a professional-grade drive, it has an MTBF rating of 2.5 million hours, an annualized failure rate of 0.35%, and 1 sector per 1015 non-recoverable read errors per bits read, as well as built-in digital sensors to ensure optimal performance, PowerBalance for lower power consumption, and a helium seal for lower power, weight, and increased durability and leak protection.