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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
WD Purple 4 TB Surveillance Hard Disk Drive, Intellipower 3.5 Inch SATA 6 Gb/s 64 MB Cache 5400 RPM
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Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ
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Amazon.com: Western Digital 8TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD8001PURP : Electronics
Amazon.com: Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD82PURZ : Electronics
Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD42PURZ : Electronics
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WD Purple 8TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 128MB Cache 3.5 Inch - WD80PUZX [Old Version]
Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" & 10TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s,
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ
![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 - Amazon.com](https://m.media-amazon.com/images/I/41q5pGRLyML._AC_UF894,1000_QL80_.jpg "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 - Amazon.com")
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Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB
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WD Purple 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD60PURX [Old Version]
Western Digital Purple 3TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ
![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](https://m.media-amazon.com/images/I/41azQ9rlX+L._AC_.jpg "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")
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Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ
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WD Purple 1TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD10PURX [Old Version] : Electronics - Amazon.com
Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ
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WD Purple 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD60PURX [Old Version]
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ
Western Digital 1TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD10PURZ
