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Western Digital Purple Surveillance WD40PURX 4TB 5400RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - 5 Year Warranty
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WD40PURX-64GVNY0 Western Digital Purple 4TB 5400RPM SATA 6Gbps 64MB Cache 3.5-inch Internal Hard Drive
WD - WD40PURX-78 - HDD 4TB 3.5" SATAIII, Purple™ Surveillance, 6Gb/s, 64MB, IntelliPower™ 5400 RPM. (Hikvision Branded) | Cleopatra Technology W.L.L
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Amazon.com: Western Digital Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - Western Digital40PURZ [Old Version] : Electronics
WESTERN DIGITAL WD Surveillance Storage 4TB internal Retail Kit WD Purple WD40PURX 4TB SATA 6Gb/s CE HDD 3,5inch IntelliPower 64MB Cache 24x7 | Synigo
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