Seagate Ironwolf 16TB ST16000VN0008, 7200RPM, SATA 6GB/S, 3.5in, 16TB capacity, AgileArray, 256MB cache. Tough, ready, and scalable. IronWolf drives are NAS-optimized for 24x7 in NAS enclosures. Tuned with AgileArray and multi-user technology, IronWolf allows you to do more with your NAS with a 3 year Seagate warranty