Seagate ST12000NM0027 3.5"-Inch HDD, 12TB, 7200 RPM SAS 12Gb/s, 256MB Cache, Standard Model 512e Internal Hard Drive | ST12000NM0027 The 12TB Enterprise Capacity 7200 rpm SAS III 3.5" Internal HDD from Seagate is a high performance, large capacity drive designed for data storage. It's suitable for engineering workstations, network servers, mainframes, supercomputers, and other demanding tasks that require 24/7 operation. This 7200 rpm drive has a 512e format and utilizes the SAS III 12 Gb/s interface for data transfer rates of up to 261 MB/s. Mo model : Seagate Exos X12 tag : Internal Hard Drives