![Amazon.com: WD Purple 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD60PURX [Old Version] (Certified Refurbished) : Electronics Amazon.com: WD Purple 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD60PURX [Old Version] (Certified Refurbished) : Electronics](https://m.media-amazon.com/images/I/71Wm7Z624OL.jpg)
Amazon.com: WD Purple 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD60PURX [Old Version] (Certified Refurbished) : Electronics
![Amazon.com: White Label 6TB 7200RPM 64MB Cache SATA 6.0Gb/s (Enterprise Grade) 3.5" Hard Drive w/1 Year Warranty : Electronics Amazon.com: White Label 6TB 7200RPM 64MB Cache SATA 6.0Gb/s (Enterprise Grade) 3.5" Hard Drive w/1 Year Warranty : Electronics](https://m.media-amazon.com/images/I/61JwKaQyFfL.jpg)
Amazon.com: White Label 6TB 7200RPM 64MB Cache SATA 6.0Gb/s (Enterprise Grade) 3.5" Hard Drive w/1 Year Warranty : Electronics
![Amazon.com: WD Purple 6TB Surveillance 3.5 Inch Internal Hard Drive - Allframe 4K - 180TB/yr, 64MB Cache, 5640 RPM Class : Electronics Amazon.com: WD Purple 6TB Surveillance 3.5 Inch Internal Hard Drive - Allframe 4K - 180TB/yr, 64MB Cache, 5640 RPM Class : Electronics](https://m.media-amazon.com/images/I/71Nko+lhYbL.jpg)
Amazon.com: WD Purple 6TB Surveillance 3.5 Inch Internal Hard Drive - Allframe 4K - 180TB/yr, 64MB Cache, 5640 RPM Class : Electronics
![Amazon.com: WD Purple NV 6TB Surveillance Hard Disk Drive - Intellipower SATA 6 Gb/s 64MB Cache 3.5 Inch - WD6NPURX : Electronics Amazon.com: WD Purple NV 6TB Surveillance Hard Disk Drive - Intellipower SATA 6 Gb/s 64MB Cache 3.5 Inch - WD6NPURX : Electronics](https://m.media-amazon.com/images/I/81RZyR5ZQgL.jpg)
Amazon.com: WD Purple NV 6TB Surveillance Hard Disk Drive - Intellipower SATA 6 Gb/s 64MB Cache 3.5 Inch - WD6NPURX : Electronics
![Toshiba 6tb Mechanical Desktop Hard Disk Drive Hdd Hd Hdwe160 128mb Cache 7200rpm 3.5" Sata3 X300 - Hard Disk Drive - AliExpress Toshiba 6tb Mechanical Desktop Hard Disk Drive Hdd Hd Hdwe160 128mb Cache 7200rpm 3.5" Sata3 X300 - Hard Disk Drive - AliExpress](https://ae01.alicdn.com/kf/HTB1GNlyNXXXXXcKXFXXq6xXFXXXc.jpg_640x640Q90.jpg_.webp)