WD 3TB (WD30PURX) WESTERN DIGITAL Purple 3.5" SATA Surveillance Hard – SPCP Computer accessories supplier
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Amazon.com: WD Black 3TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD3003FZEX : Electronics
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Western Digital WD Red WD30EFRX 3TB 5400RPM 64MB Cache SATA 6.0Gb/s 3.5" NAS Hard Drive - 3 Years Warranty
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