WD Purple WD20PURX 2TB Surveillance 3.5" Internal SATA Hard Drive
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Western Digital 2TB WD Purple Surveillance Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache, 3.5 Inch - WD20PURZ-3.5" Internal HDDs-
WD Purple 2TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD20PURZ - Walmart.com
Western Digital Purple Surveillance 2tb Hard Drive Internal Hard Disk 5400 Rpm 3.5 Inch (WD20PURZ) Wd SSD/HDD - China 2 Tb HDD and Wd HDD price | Made-in-China.com