![Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ : Electronics Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ : Electronics](https://m.media-amazon.com/images/I/71nv483AJKL.jpg)
Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ : Electronics
![WD PURPLE Surveillance 4TB Hard Drive Disk SATA III 64M 3.5" HDD HD Harddisk For Security System Video Recorder DVR NVR CCTV - AliExpress WD PURPLE Surveillance 4TB Hard Drive Disk SATA III 64M 3.5" HDD HD Harddisk For Security System Video Recorder DVR NVR CCTV - AliExpress](https://ae01.alicdn.com/kf/HLB1eiuRnnZmx1VjSZFGq6yx2XXaD/WD-PURPLE-Surveillance-4TB-Hard-Drive-Disk-SATA-III-64M-3-5-HDD-HD-Harddisk-For.jpg)
WD PURPLE Surveillance 4TB Hard Drive Disk SATA III 64M 3.5" HDD HD Harddisk For Security System Video Recorder DVR NVR CCTV - AliExpress
![WD40PURX-64GVNYO Western Digital Purple 4TB 5400RPM SATA 6Gbps 64MB Cache 3.5-inch Internal Hard Drive WD40PURX-64GVNYO Western Digital Purple 4TB 5400RPM SATA 6Gbps 64MB Cache 3.5-inch Internal Hard Drive](https://cdn11.bigcommerce.com/s-n2pgpewhfn/images/stencil/1280x1280/products/1412308/1399080/WD40PURX-64GVNYO-lg__97260.1671867478.jpg?c=2)
WD40PURX-64GVNYO Western Digital Purple 4TB 5400RPM SATA 6Gbps 64MB Cache 3.5-inch Internal Hard Drive
![Amazon.com: Western Digital Purple 3TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD30PURX [Old Version] : Electronics Amazon.com: Western Digital Purple 3TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD30PURX [Old Version] : Electronics](https://m.media-amazon.com/images/I/81fWDTJVIPL.jpg)
Amazon.com: Western Digital Purple 3TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD30PURX [Old Version] : Electronics
![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 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
![Amazon.com: Western Digital WD Purple Harddisk 3.5" 4TB SATA3 6Gb/s IntelliPower 5400RPM 64 MB HDD Surveillance WD40PURX : Electronics Amazon.com: Western Digital WD Purple Harddisk 3.5" 4TB SATA3 6Gb/s IntelliPower 5400RPM 64 MB HDD Surveillance WD40PURX : Electronics](https://m.media-amazon.com/images/I/61IaXAJvqgL.jpg)
Amazon.com: Western Digital WD Purple Harddisk 3.5" 4TB SATA3 6Gb/s IntelliPower 5400RPM 64 MB HDD Surveillance WD40PURX : Electronics
![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: 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/81NqSo2RcoL.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: 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: 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/41q5pGRLyML._AC_UF894,1000_QL80_.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
![Amazon.com: Western Digital WD Purple Harddisk 3.5" 4TB SATA3 6Gb/s IntelliPower 5400RPM 64 MB HDD Surveillance WD40PURX : Electronics Amazon.com: Western Digital WD Purple Harddisk 3.5" 4TB SATA3 6Gb/s IntelliPower 5400RPM 64 MB HDD Surveillance WD40PURX : Electronics](https://m.media-amazon.com/images/I/51bP43HnDxL._AC_UF350,350_QL80_.jpg)