![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)
Amazon.com: WD40EZRX Western Digital 4TB Internal Hard Drive IntelliPower 64MB Cache SATA 6.0Gb : Electronics
![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
![Amazon.com: Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD40EFRX : Electronics Amazon.com: Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD40EFRX : Electronics](https://m.media-amazon.com/images/I/81kH1nM-CEL.jpg)
Amazon.com: Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD40EFRX : Electronics
![Amazon.com: Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAZ : Electronics Amazon.com: Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAZ : Electronics](https://m.media-amazon.com/images/I/71duAeVO8zL.jpg)
Amazon.com: Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAZ : Electronics
![Western Digital WD40EZRZ WD Blue SATA III 3.5" 4TB Hard Drive (FACTORY SEALED) 718037840161 | eBay Western Digital WD40EZRZ WD Blue SATA III 3.5" 4TB Hard Drive (FACTORY SEALED) 718037840161 | eBay](https://i.ebayimg.com/images/g/GBEAAOSwUulbwsQ9/s-l1600.jpg)
Western Digital WD40EZRZ WD Blue SATA III 3.5" 4TB Hard Drive (FACTORY SEALED) 718037840161 | eBay
![Amazon.com: Western Digital 4TB White My Passport Portable External Hard Drive - USB 3.0 - Western DigitalBYFT0040BWT-WESN : Electronics Amazon.com: Western Digital 4TB White My Passport Portable External Hard Drive - USB 3.0 - Western DigitalBYFT0040BWT-WESN : Electronics](https://m.media-amazon.com/images/I/81br+28pZcL.jpg)
Amazon.com: Western Digital 4TB White My Passport Portable External Hard Drive - USB 3.0 - Western DigitalBYFT0040BWT-WESN : 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 Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD40EFAX : Electronics Amazon.com: Western Digital 4TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD40EFAX : Electronics](https://m.media-amazon.com/images/I/710aEelzoRL.jpg)