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HDD Internal Wd Purple 4tb Surveillance Hard Disk For CCTV System, Dimension/Size: 14.7 X 10.2 X 2.6 Cm
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WD40PURX 4TB Surveillance Class Hard Drive from WD
WD PURPLE Surveillance 4TB Hard Drive Disk SATA III 64M 3.5" HDD HD Harddisk For Security System Video Recorder DVR NVR CCTV
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WD Black 4TB Performance Hard Drive Review: Massive Storage in an Enduring, Reliable Hard Drive
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