WD Blue 1TB 3.5 Inch 7200rpm 64mb Cache Sata III Internal Hard Drive Boost your PC storage with WD Blue drives, the brand designed specifically for desktop and all-in-one PCs. The WD Blue family now delivers data storage capacities up to 6 TB. WD hard drives come with free access to WD Acronis True Image. Backup and restore functions make it easy to save and retrieve your personal data without the need to reinstall the OS. Key Features Drive Configuration Capacity: 1000gb Interface: SATA III Cache : 64mb Rotational Speed : 7200rpm Data Transfer Transfer Rate: 600 MB/s Physical Drive Size 3.5\" Packaging OEM - Anti-static bag