WD Black Performance Storage Mobile Hard DriveDesktop-class performance for notebook computers.Maximum performanceSophisticated performance enhancing features deliver the speed you need for demanding applications like photo and video editing and Internet gaming.No compromisesHigh performance, high capacity, high reliability, and cutting-edge technology make up WD Black, the ideal drive for those who demand only the best.Feature richWD Black hard drives combine a high performance, 16 MB cache and SATA 6 Gb/s interface for the ultimate in power computing for notebooks. Product FeaturesHigh performance electronicsWD Black drives feature a dual processor and bigger, faster dynamic cache for maximum read and write speeds.Dual processorTwice the processing power to maximize performance.Rock-solid Mechanical ArchitectureEnhanced reliability features help protect the drive and the data stored on it.NoTouch Ramp Load technologyThe recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit.Dynamic CacheWD's dynamic caching algorithm improves performance in real time by optimizing cache allocation between reads and writes. For example, if there's an overwhelming percentage of read traffic as opposed to write traffic, the drive automatically allocates more cache for read data, which reduces congestion and improves overall drive performance.Upgrading your drive is easyWD Acronis TrueImage, available as a free download on the WD Support site, enables you to copy all your data to a new drive so you don't have to reinstall your operating system to get all the benefits of a new drive. Ideal for: Power computing applications such as intensive photo or video editing Notebook gaming Adding extra storage space for photos, videos and musicFeatures at a glance Industry-leading performance Dual processor technologyThe WD advantageWD puts our products through extensive Functional Integrity Testing (F.I.T.) prior to any product launch. On average, each new product goes through 600,000 hours of testing. WD also has a detailed Knowledge Base with more than 1,000 helpful articles. You can also call toll-free support 7 days per week in the U.S. and Canada. See the WD Support site for full details.WD-certified packagingAll WD drives purchased from Amazon.com are shipped in WD-certified hard drive packaging. It is designed and fully tested to provide WD products with the highest of safety while in transit. With WD-certified packaging, you can rest assured that your WD hard drive will arrive safely, fully protected, in a non-descript, easy-open package.Recommended useWD Black hard drives are tested and recommended for use in notebook computers. You might also consider:2.5-inch InternalComparison ChartWD BlueWD GreenWD BlackWD Black2WD Red Big capacity for portable computing. Cool, quiet operation with massive capacity. Desktop-class performance for notebook computers. The must have solution for your single-bay PC. The right drive for personal, home or small office NAS. Ideal for Notebooks, external enclosures and certain industrial applications. Custom-built enclosures and other applications that require cool and quiet operation. Notebook computers. Notebooks and all-in-one computers. Personal, home and small office, 1-5 bay NAS systems. Type HDD HDD HDD Dual Drive HDD Capacity range 250 GB - 1 TB 1.5 TB - 2 TB 160 GB - 750 GB 120 GB SSD + 1 TB HDD 750 GB - 1 TB Interface SATA 6 Gb/sSATA 3 Gb/s SATA 6 Gb/sSATA 3 Gb/s SATA 6 Gb/sSATA 3 Gb/s SATA 6 Gb/s SATA 6 Gb/s Form factor 2.5-inch 2.5-inch 2.5-inch 2.5-inch 2.5-inch Height 7 mm9.5 mm 15 mm 9.5 mm 9.5 mm 9.5 mm Cache 8 MB16 MB 8 MB 16 MB n/a 16 MB Highest notebook capacity Highest performance Photo/video editing Network Storage Systems