Product Description With capacities up to 320 GB, WD Scorpio Blue 2.5-inch PATA hard drives from Western Digital deliver lightning-fast and ultra-quiet performance hand-in-hand with low power consumption. In addition, they are designed with ruggedness, reliability, and data-protection features that actively watch over valuable data. These drives feature up to a 100 Mb/s PATA interface and 8 MB cache. WD Scorpio Blue hard drives are designed for portable digital devices of all kinds, including notebook computers, external storage, and digital media players. Compatible with: laptop From the Manufacturer WD Blue Mobile Hard Drives – Solid performance and reliability for everyday computing. The original. WD Blue drives are designed and manufactured with the proven technology found in WD's original award-winning desktop hard drives. WD quality. Built to the highest standards of quality and reliability, these drives offer the features and capacity ideal for your everyday computing needs. More options. These drives are available in a broad range of capacities, cache sizes and interfaces so you can be sure there's a drive that's the perfect fit for your system, in more ways than one. Product Features Low power consumption - State-of-the-art seeking algorithms and advanced power management features ensure low power consumption and long battery life. NoTouch Ramp Load technology - The 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. SATA or PATA interface - While SATA has become the industry standard interface, WD continues to manufacture mobile drives with a PATA interface for unique or legacy systems. Tested for compatibility - We perform tests on hundreds of systems and a multitude of platforms in our FIT Lab to give our customers confidence that our drives will work in their systems. The WD advantage - WD 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. Upgrading your drive is easy - WD 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. WD-certified packaging - All 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. Compatibility Works with Windows 7/Vista/XP/2000, Mac and Linux operating systems. Recommended use - WD Blue hard drives are tested and recommended for use in PCs, industrial applications, notebooks, netbooks and external enclosures. Ideal for: Notebook computing Small form factor external enclosures Netbooks Features at a glance 80 GB - 1 TB capacity SATA 3 Gb/s or PATA 100 MB/s 5400 RPM You might also consider: 2.5-inch Internal Comparison Chart WD Blue WD Green WD Black Solid performance and reliabilityfor everyday computing. Cool, quiet operationfor efficient eco-conscious computing. Maximum performancefor power computing. Ideal for Notebook computers, netbooksand external enclosures. Custom-built enclosures and other applications that require cool and quiet operation. Notebook computers. Capacity range 80 GB – 1 TB 1.5 TB – 2 TB 160 GB – 750 GB Interface SATA 3 Gb/sPATA 100 MB/s SATA 3 Gb/s SATA 3 Gb/s Form factor 2.5-inch 2.5-inch 2.5-inch Cache 8 MB 8 MB 16 MB Highest performance Highest capacity Everyday computing Photo/video editing Notebook computers External enclosures