. WD Caviar Blue 1TB 3.5 Intenal Hard Drive SATA 6GB/s 7200rpm 64MB CacheWD Blue drives are designed and manufactured with the proven technology found in WD's original award-winning desktop and mobile 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 form factors and interfaces so you can be sure there's a drive that's the perfect fit for your system in more ways than one. 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 desktop 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. 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. The WD advantage. WD puts our products through extensive Functional Integrity Testing (F.I.T) prior to any product launch. This testing ensures our products consistently meet the highest quality and reliability standards of the WD brand. WD also has a detailed Knowledge Base with more than 1000 helpful articles as well as helpful software and utilities. Our customer support lines have longer operational hours to ensure you get the help you need when you need it. Our toll-free customer support lines are here to help or you can access our WD Support site for additional details. Recommended use Instantaneously protects the hard WD Blue hard drives are tested and recommended for use in PCs industrial applications notebooks netbooks and external enclosures.*.