Cool - Quiet - Low Power Seagate Pipeline HD hard drives are designed to deliver reliable 24×7 operation – optimised for low power consumption, quiet operation, durable, reliable and smooth video streaming. Seagate Pipeline HD ST3250312CS 250GB 8MB Cache SATA 3.0Gb/s 3.5" Internal Desktop Hard Drive features innovative perpendicular recording technology. Seagate Pipeline HD Series hard drives deliver superb performance, efficiency, speed and durability for all your application needs.