![Amazon.com: Western Digital WD 4TB My Passport Portable External Hard Drive with backup software and password protection, Black - WDBPKJ0040BBK-WESN : Electronics Amazon.com: Western Digital WD 4TB My Passport Portable External Hard Drive with backup software and password protection, Black - WDBPKJ0040BBK-WESN : Electronics](https://m.media-amazon.com/images/I/51CDEElxPFL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Western Digital WD 4TB My Passport Portable External Hard Drive with backup software and password protection, Black - WDBPKJ0040BBK-WESN : Electronics
![Wd Blue 4tb Hdd Hard Drive Disk Hd Sata Iii 256mb Cache 5400 Rpm 4 Tb 3.5" 35 Harddisk For Desktop Pc Computer - Portable Hard Drives - AliExpress Wd Blue 4tb Hdd Hard Drive Disk Hd Sata Iii 256mb Cache 5400 Rpm 4 Tb 3.5" 35 Harddisk For Desktop Pc Computer - Portable Hard Drives - AliExpress](https://ae01.alicdn.com/kf/Hfe3a6cc4326c40f99fe78ed9a0d25451F/WD-Blue-4TB-HDD-Hard-Drive-Disk-HD-SATA-III-256MB-Cache-5400-RPM-4-TB.jpg)
Wd Blue 4tb Hdd Hard Drive Disk Hd Sata Iii 256mb Cache 5400 Rpm 4 Tb 3.5" 35 Harddisk For Desktop Pc Computer - Portable Hard Drives - AliExpress
![Wd Purple Surveillance 4tb Hard Drive Disk Sata Iii 64m 3.5" Hdd Hd Harddisk For Security System Video Recorder Dvr Nvr Cctv - Hard Disk Drive - AliExpress Wd Purple Surveillance 4tb Hard Drive Disk Sata Iii 64m 3.5" Hdd Hd Harddisk For Security System Video Recorder Dvr Nvr Cctv - Hard Disk Drive - 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 - Hard Disk Drive - AliExpress
WD Black Performance Hard Drive WD4003FZEX - hard drive - 4 TB - SATA 6Gb/s - WD4003FZEX - Internal Hard Drives - CDW.com
![Amazon.com: WD 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (WD4000FYYZ) (Renewed) : Electronics Amazon.com: WD 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (WD4000FYYZ) (Renewed) : Electronics](https://m.media-amazon.com/images/I/81rjv52AO6L.jpg)
Amazon.com: WD 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (WD4000FYYZ) (Renewed) : Electronics
![Amazon.com: WD40EZRX Western Digital 4TB Internal Hard Drive IntelliPower 64MB Cache SATA 6.0Gb : Electronics Amazon.com: WD40EZRX Western Digital 4TB Internal Hard Drive IntelliPower 64MB Cache SATA 6.0Gb : Electronics](https://m.media-amazon.com/images/I/81py5g+it9L.jpg)