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Install the 4TB BarraCuda SATA III 3.5" Internal HDD from Seagate into nearly any computer with a 3.5" drive bay. This versatile, reliable storage solution features a 64MB cache memory buffer and supports SATA III connectivity while remaining backward compatible with SATA II and SATA I connections. Once installed, this Barracuda drive offers enhanced data transfer rates of up to 146 MB/s making it easy to transfer even large files to and from the drive quickly and efficiently. This BarraCuda drive also comes equipped with Self-Encrypting Drive (SED) security complete with an Instant Secure Erase function to clear data from the drive.