The Seagate ST12000NM004J is a 12TB enterprise-class hard drive from the Exos X18 series, featuring a 7200 RPM spindle speed and 256MB cache to ensure high performance and reliability in demanding data center environments. It uses a dual-port 12 Gb/s SAS interface for fast and robust data transfer, supporting a sustained transfer rate of up to 270 MB/s and random read/write IOPS of 170/550, with an average latency of 4.16 ms. The drive is helium-sealed for increased durability and power efficiency, operating with an average idle power consumption of about 5 watts, and is designed to withstand high vibration and shock levels typical in enterprise settings. With a mean time between failures (MTBF) rating of 2.5 million hours, SuperParity error checking, and advanced data protection features, it delivers dependable storage suitable for hyperscale cloud applications, large-scale RAID arrays, and other mission-critical workloads, all packaged in a standard 3.5-inch form factor.