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Western Digital 8TB WD Purple Surveillance Internal Hard Drive - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD81PURZ (Old Version)
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WD Purple 8TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 128MB Cache 3.5 Inch - WD80PURZ
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WD Purple 8TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 128MB Cache 3.5 Inch - WD80PURZ
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