Seagate 500 GB Pipeline HD SATA 3Gb/s NCQ 8MB Cache 3.5-Inch Internal Bare Drive (ST3500312CS) Best-Fit Applications include DVR and media center applications, Low-power appliances and devices, Home theater PC, IPTV, Multimedia hard drive recorders and Karaoke and audio jukeboxes Tuned to balance high-performance with low power consumption, Pipeline HD drives can support a minimum of 10 simultaneous streams of HD content Best-in-class power performance is easy on the environment while also enabling strict energy conservation programs such as Energy Star Designed for cool, quiet, worry-free, 24x7 operation 365 days a year. Always on, always reliable Seagate Think Green sustainability goes beyond green with improved reliability, low power consumption, leading environmental compliance programs, RoHS and low-halogen compliance. Best-Fit Applications include DVR and media center applications, Low-power appliances and devices, Home theater PC, IPTV, Multimedia hard drive recorders and Karaoke and audio jukeboxes Tuned to balance high-performance with low power consumption, Pipeline HD drives can support a minimum of 10 simultaneous streams of HD content Best-in-class power performance is easy on the environment while also enabling strict energy conservation programs such as Energy Star Seagate SoftSonic motor technology enables years of ultra-quiet, worry-free operation with acoustic performance as low as 1.9bels Ships in Certified Frustration-Free Packaging