![WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ](https://cdn11.bigcommerce.com/s-v57yvx1djr/images/stencil/1280x1280/products/3794/12725/eq1__00068.1508807859.190.190__80987.1509574004.jpg?c=2)
WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ
![Seagate 4TB hikvision Video Surveillance HDD Internal Hard Disk Drive 5900 RPM SATA 6Gb/s 3.5-inch 64MB Cache HDD For Security Seagate 4TB hikvision Video Surveillance HDD Internal Hard Disk Drive 5900 RPM SATA 6Gb/s 3.5-inch 64MB Cache HDD For Security](https://ae01.alicdn.com/kf/HTB1nLL0dRUSMeJjSspfq6x0VFXai/Seagate-4TB-hikvision-Video-Surveillance-HDD-Internal-Hard-Disk-Drive-5900-RPM-SATA-6Gb-s-3.jpg)
Seagate 4TB hikvision Video Surveillance HDD Internal Hard Disk Drive 5900 RPM SATA 6Gb/s 3.5-inch 64MB Cache HDD For Security
![Amazon.com: SEAGATE ST4000VX007 Skyhawk 4TB Surveillance Hard SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive-Frustration Free Packaging (ST4000VXZ07) Mechanical Hard Disk : Electronics Amazon.com: SEAGATE ST4000VX007 Skyhawk 4TB Surveillance Hard SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive-Frustration Free Packaging (ST4000VXZ07) Mechanical Hard Disk : Electronics](https://m.media-amazon.com/images/I/71R2OF9ly4L.jpg)
Amazon.com: SEAGATE ST4000VX007 Skyhawk 4TB Surveillance Hard SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive-Frustration Free Packaging (ST4000VXZ07) Mechanical Hard Disk : Electronics
![Amazon.com: SEAGATE ST4000VX007 Skyhawk 4TB Surveillance Hard SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive-Frustration Free Packaging (ST4000VXZ07) Mechanical Hard Disk : Electronics Amazon.com: SEAGATE ST4000VX007 Skyhawk 4TB Surveillance Hard SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive-Frustration Free Packaging (ST4000VXZ07) Mechanical Hard Disk : Electronics](https://m.media-amazon.com/images/I/71C+v0x4vbL.jpg)
Amazon.com: SEAGATE ST4000VX007 Skyhawk 4TB Surveillance Hard SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive-Frustration Free Packaging (ST4000VXZ07) Mechanical Hard Disk : 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
![Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ : Electronics Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ : Electronics](https://m.media-amazon.com/images/I/71giWLo+PFL.jpg)
Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ : Electronics
![Amazon.com: WD Purple NV 4TB Surveillance Hard Disk Drive - Intellipower SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4NPURX : Electronics Amazon.com: WD Purple NV 4TB Surveillance Hard Disk Drive - Intellipower SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4NPURX : Electronics](https://m.media-amazon.com/images/I/81rvvyp+35L.jpg)