![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/61UDbxdRV8L._AC_SL1280_.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
![Western Digital Wd Red Nas Hard Disk Drive 2tb 3tb 4tb Sata 6 Gb/s Cache 3.5-inch For Desktop Nas - Portable Hard Drives - AliExpress Western Digital Wd Red Nas Hard Disk Drive 2tb 3tb 4tb Sata 6 Gb/s Cache 3.5-inch For Desktop Nas - Portable Hard Drives - AliExpress](https://ae01.alicdn.com/kf/H5e63b453c3724800933b2d46037a20c7E/Western-Digital-WD-Red-NAS-Hard-Disk-Drive-2TB-3TB-4TB-SATA-6-GB-S-Cache.jpg_Q90.jpg_.webp)
Western Digital Wd Red Nas Hard Disk Drive 2tb 3tb 4tb Sata 6 Gb/s Cache 3.5-inch For Desktop Nas - Portable Hard Drives - AliExpress
![Wd Purple 4tb Hdd Surveillance Hard Disk Drive - 5400 Rpm Class Sata 6 Gb/s 64mb Cache 3.5 Inch - Wd40ejrx - Hard Disk Drive - AliExpress Wd Purple 4tb Hdd Surveillance Hard Disk Drive - 5400 Rpm Class Sata 6 Gb/s 64mb Cache 3.5 Inch - Wd40ejrx - Hard Disk Drive - AliExpress](https://ae01.alicdn.com/kf/HTB1Wlafie3tHKVjSZSgq6x4QFXaL.jpg)
Wd Purple 4tb Hdd Surveillance Hard Disk Drive - 5400 Rpm Class Sata 6 Gb/s 64mb Cache 3.5 Inch - Wd40ejrx - Hard Disk Drive - AliExpress
![WD Red Plus 4TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 64MB Cache, 3.5 Inch - WD40EFRX - Newegg.com WD Red Plus 4TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 64MB Cache, 3.5 Inch - WD40EFRX - Newegg.com](https://c1.neweggimages.com/ProductImage/22-236-599-V15.jpg)
WD Red Plus 4TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 64MB Cache, 3.5 Inch - WD40EFRX - Newegg.com
![Western Digital WD 4TB My Passport Portable External Hard Drive, Black – with Automatic Backup, 256Bit AES Hardware Encryption & Software Protection - Al Ameen Computers Western Digital WD 4TB My Passport Portable External Hard Drive, Black – with Automatic Backup, 256Bit AES Hardware Encryption & Software Protection - Al Ameen Computers](https://alameencomputers.com/wp-content/uploads/2016/10/4-TB-WD.jpg)
Western Digital WD 4TB My Passport Portable External Hard Drive, Black – with Automatic Backup, 256Bit AES Hardware Encryption & Software Protection - Al Ameen Computers
![Wd Western Digital Blue 4tb Hdd Sata 3.5'' Internal Hard Disk Harddisk Hard Drive Disque Dur Desktop Hdd For Pc - Portable Hard Drives - AliExpress Wd Western Digital Blue 4tb Hdd Sata 3.5'' Internal Hard Disk Harddisk Hard Drive Disque Dur Desktop Hdd For Pc - Portable Hard Drives - AliExpress](https://ae01.alicdn.com/kf/HTB1csqlie3tHKVjSZSgq6x4QFXau/WD-Western-Digital-Blue-4TB-Hdd-Sata-3-5-Internal-Hard-Disk-Harddisk-Hard-Drive-Disque.jpg)
Wd Western Digital Blue 4tb Hdd Sata 3.5'' Internal Hard Disk Harddisk Hard Drive Disque Dur Desktop Hdd For Pc - Portable Hard Drives - AliExpress
![Western Digital WD Green WD40EZRX 4TB IntelliPower 64MB Cache SATA III 6.0Gb/s 3.5" Internal Desktop Hard Drive - 2 Year Warranty Western Digital WD Green WD40EZRX 4TB IntelliPower 64MB Cache SATA III 6.0Gb/s 3.5" Internal Desktop Hard Drive - 2 Year Warranty](https://cdn3.volusion.com/ovay6.hxgv9/v/vspfiles/photos/G01-1194-2.jpg?v-cache=1529610583)
Western Digital WD Green WD40EZRX 4TB IntelliPower 64MB Cache SATA III 6.0Gb/s 3.5" Internal Desktop Hard Drive - 2 Year Warranty
![China Western Digital Wd Purple 4tb 5.4K 3.5" SATA 6gbs 64MB Surveillance HDD - China Wd HDD and HDD price China Western Digital Wd Purple 4tb 5.4K 3.5" SATA 6gbs 64MB Surveillance HDD - China Wd HDD and HDD price](https://image.made-in-china.com/202f0j00vkMzuHyJnpgL/Western-Digital-Wd-Purple-4tb-5-4K-3-5-SATA-6gbs-64MB-Surveillance-HDD.jpg)