![Amazon.com: Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD60PURZ : Electronics Amazon.com: Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD60PURZ : Electronics](https://m.media-amazon.com/images/I/71giWLo+PFL.jpg)
Amazon.com: Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD60PURZ : Electronics
![WD60EFRX-68L0BN1 - Western Digital WD60EFRX-68L0BN1 Red 6TB SATA 6Gb/s 5400RPM 64MB Cache (Advanced Format) 3.5-inch Internal Hard Drive - serverevolution.com WD60EFRX-68L0BN1 - Western Digital WD60EFRX-68L0BN1 Red 6TB SATA 6Gb/s 5400RPM 64MB Cache (Advanced Format) 3.5-inch Internal Hard Drive - serverevolution.com](https://serverevolution.com/media/catalog/product/cache/64b96665759ec6608c35f87eedcf2f7b/w/d/wd60efrx-68l0bn1.jpg)
WD60EFRX-68L0BN1 - Western Digital WD60EFRX-68L0BN1 Red 6TB SATA 6Gb/s 5400RPM 64MB Cache (Advanced Format) 3.5-inch Internal Hard Drive - serverevolution.com
![Amazon.com: Western Digital 6TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD60EFRX : Electronics Amazon.com: Western Digital 6TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD60EFRX : Electronics](https://m.media-amazon.com/images/I/61dXepGS38S.jpg)
Amazon.com: Western Digital 6TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD60EFRX : Electronics
![Amazon.com: WD Green 6TB 3.5-Inch SATA 6.0Gb/s IntelliPower 64MB Cache Hard Drive (WD60EZRX) : Electronics Amazon.com: WD Green 6TB 3.5-Inch SATA 6.0Gb/s IntelliPower 64MB Cache Hard Drive (WD60EZRX) : Electronics](https://m.media-amazon.com/images/I/91lEqdLYqyL.jpg)
Amazon.com: WD Green 6TB 3.5-Inch SATA 6.0Gb/s IntelliPower 64MB Cache Hard Drive (WD60EZRX) : Electronics
![Amazon.com: WD Purple NV 6TB Surveillance Hard Disk Drive - Intellipower SATA 6 Gb/s 64MB Cache 3.5 Inch - WD6NPURX : Electronics Amazon.com: WD Purple NV 6TB Surveillance Hard Disk Drive - Intellipower SATA 6 Gb/s 64MB Cache 3.5 Inch - WD6NPURX : Electronics](https://m.media-amazon.com/images/I/51gnR+FeCRL.jpg)