The Seagate IronWolf Pro 12TB NAS HD is a high-performance internal desktop drive designed for use with PCs. With a rotation speed of 7200 RPM and a storage capacity of 12TB, this HDD offers fast read speeds of up to 500MB/s and a transfer rate of 300 Mbps. The drive is part of Seagate's IronWolf product line, known for its reliability and compatibility with NAS systems. Featuring a 3.5" form factor and a silver color, this HDD is a versatile and efficient storage solution for both home and professional use.