WDC, 1 TB Hard Drive, Surveillance Hard Disk Drive, WD Purple 1TB Surveillance Hard Disk - 783AH2|DHWD10PURZ - Grainger
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Western Digital WD Purple HDD 1TB 2TB 3TB 4TB SATA 6.0Gb/s 3.5" Hard Drive Disk For Security System Video Recorder DVR NVR CCTV - AliExpress
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X Western Digital 1TB WD Purple Surveillance HDD, Internal Hard Drive, 64MB Cache - WD10PURZ - Walmart.com
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Amazon.com: Western Digital 1TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD10PURZ : Electronics
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