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Western Digital Purple 64gb SD (WDD064G1P0C)
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WD Purple Pro WD141PURP 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Desktop Internal Hard Drives - Newegg.com
From the very big to the very small - WD's Purple and Red have it all – Blocks and Files
Western Digital 10TB WD Purple Pro Surveillance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/