![Seagate 4TB Surveillance ST4000VX000 4TB 5900 RPM 64MB Cache SATA 6.0Gb/s 3.5" 7427457242273 | eBay Seagate 4TB Surveillance ST4000VX000 4TB 5900 RPM 64MB Cache SATA 6.0Gb/s 3.5" 7427457242273 | eBay](https://i.ebayimg.com/images/g/qAwAAOSw6nphnV4R/s-l1600.jpg)
Seagate 4TB Surveillance ST4000VX000 4TB 5900 RPM 64MB Cache SATA 6.0Gb/s 3.5" 7427457242273 | eBay
![Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD42PURZ : Electronics Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD42PURZ : Electronics](https://m.media-amazon.com/images/I/71KGby9PZkL.jpg)
Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD42PURZ : Electronics
![Amazon.com: WD Purple 4 TB Surveillance Hard Disk Drive, Intellipower 3.5 Inch SATA 6 Gb/s 64 MB Cache 5400 RPM : Electronics Amazon.com: WD Purple 4 TB Surveillance Hard Disk Drive, Intellipower 3.5 Inch SATA 6 Gb/s 64 MB Cache 5400 RPM : Electronics](https://m.media-amazon.com/images/I/71d0vImsbeL.jpg)
Amazon.com: WD Purple 4 TB Surveillance Hard Disk Drive, Intellipower 3.5 Inch SATA 6 Gb/s 64 MB Cache 5400 RPM : Electronics
![WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ - Walmart.com WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ - Walmart.com](https://i5.walmartimages.com/asr/c3c95449-f82b-4eeb-83ea-1da0cde5b066_2.0c09fa8620a014aa5303b1df94606767.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ - Walmart.com
![WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ - Walmart.com WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ - Walmart.com](https://i5.walmartimages.com/asr/4ad99eef-6af3-46fb-b0ed-e33c20248eba_2.306f0a08d60203274f764b07f818e48f.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ - Walmart.com
![WD PURPLE Surveillance 4TB Hard Drive Disk SATA III 64M 3.5" HDD HD Harddisk For Security System Video Recorder DVR NVR CCTV WD PURPLE Surveillance 4TB Hard Drive Disk SATA III 64M 3.5" HDD HD Harddisk For Security System Video Recorder DVR NVR CCTV](https://ae01.alicdn.com/kf/HLB1eiuRnnZmx1VjSZFGq6yx2XXaD/WD-PURPLE-Surveillance-4TB-Hard-Drive-Disk-SATA-III-64M-3-5-HDD-HD-Harddisk-For.jpg)