![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 Ultrastar DC HC310 HUS726T4TALA6L4 (0B35950) 4TB 7200RPM 256MB Cache SATA 6Gb/s 3.5" Data Western Digital Ultrastar DC HC310 HUS726T4TALA6L4 (0B35950) 4TB 7200RPM 256MB Cache SATA 6Gb/s 3.5" Data](https://cdn3.volusion.com/ovay6.hxgv9/v/vspfiles/photos/G01-1328-2.jpg?v-cache=1585840410)
Western Digital Ultrastar DC HC310 HUS726T4TALA6L4 (0B35950) 4TB 7200RPM 256MB Cache SATA 6Gb/s 3.5" Data
![Amazon.com: WD 4TB 7200 RPM SATA 6 Gb/s 64MB Cache, 3.5-Inch Desktop Hard Disk Drive (WD4003FZEX) : Electronics Amazon.com: WD 4TB 7200 RPM SATA 6 Gb/s 64MB Cache, 3.5-Inch Desktop Hard Disk Drive (WD4003FZEX) : Electronics](https://m.media-amazon.com/images/I/81DRB0+o1eL._AC_UF894,1000_QL80_.jpg)
Amazon.com: WD 4TB 7200 RPM SATA 6 Gb/s 64MB Cache, 3.5-Inch Desktop Hard Disk Drive (WD4003FZEX) : Electronics
![Amazon.com: Western Digital 4TB WD Gold Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD4003FRYZ : Electronics Amazon.com: Western Digital 4TB WD Gold Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD4003FRYZ : Electronics](https://m.media-amazon.com/images/I/71qQ3KVYCOL.jpg)
Amazon.com: Western Digital 4TB WD Gold Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD4003FRYZ : 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)
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
![Western Digital 500GB 1TB 2TB 3TB 4TB WD Gold Enterprise Class 3.5" HDD Internal Hard Drive 7200 RPM SATA 6 Gb/s 128 MB Cache - AliExpress Western Digital 500GB 1TB 2TB 3TB 4TB WD Gold Enterprise Class 3.5" HDD Internal Hard Drive 7200 RPM SATA 6 Gb/s 128 MB Cache - AliExpress](https://ae01.alicdn.com/kf/S46333fcb9f8d4e6f859b63204ea79957b/Western-Digital-500GB-1TB-2TB-3TB-4TB-WD-Gold-Enterprise-Class-3-5-HDD-Internal-Hard.jpg)
Western Digital 500GB 1TB 2TB 3TB 4TB WD Gold Enterprise Class 3.5" HDD Internal Hard Drive 7200 RPM SATA 6 Gb/s 128 MB Cache - AliExpress
![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)