Toshiba Storage Device Division offers a line of 5,400 RPM 2.5-inch HDDs in a new slim design optimized for industry-leading storage applications. The latest HDD series, MQ01ABDxxx, provides a wide capacity range from 250 GB to 1TB in a 9.5-millimeter-high design with maximum 2 platters.The advanced MQ01ABD050 targets markets such as portable multimedia and gaming notebooks, mobile workstations and other capacity-hungry applications like external HDDs. In addition, the drives also feature very good power efficiency value of 0.00055 for the 1TB model. Due to the "Silent-Seek" technology featured in these drives, the HDDs are extremely quiet: Ultra-silent single-platter drives boast acoustic specifications of 19dBA (seek) and 17dBA (idle) making them almost indistinguishable to the human hear.With its compact size and best-in class specifications, the SATA MQ01ABD050 series is the perfect choice for use in devices where a combination of sleek form factor and high capacity capabilities are essential.As with all Toshiba HDDs, the complete series is halogen-free and RoHS compatible, therefore, exceptionally environmentally friendly.Includes AF Advanced Format feature.500GB Toshiba 2.5-inch SATA high-performance laptop hard drive, 5400rpm, 8MB built-in cache. SATA interface which means this is suitable for most SATA laptops and for use in HDD enclosures as an external hard drive.Thickness of this hard drive is 9.5mm.