![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/81-Pu8Hyy2L.jpg)
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: Seagate Enterprise Capacity 3.5 HDD 6TB 7200 RPM 512e SATA 6Gb/s 128MB-Cache 3.5-Inch Hard Disk Drive - ST6000NM0024 (Renewed) : Electronics Amazon.com: Seagate Enterprise Capacity 3.5 HDD 6TB 7200 RPM 512e SATA 6Gb/s 128MB-Cache 3.5-Inch Hard Disk Drive - ST6000NM0024 (Renewed) : Electronics](https://m.media-amazon.com/images/I/81mVD631L0L.jpg)
Amazon.com: Seagate Enterprise Capacity 3.5 HDD 6TB 7200 RPM 512e SATA 6Gb/s 128MB-Cache 3.5-Inch Hard Disk Drive - ST6000NM0024 (Renewed) : Electronics
![Amazon.com: WD Red 6TB NAS Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache, 3.5in - WD60EFRX (Renewed) : Electronics Amazon.com: WD Red 6TB NAS Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache, 3.5in - WD60EFRX (Renewed) : Electronics](https://m.media-amazon.com/images/I/81SDVRu5RQL.jpg)
Amazon.com: WD Red 6TB NAS Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache, 3.5in - WD60EFRX (Renewed) : Electronics
![Amazon.com: Western Digital 6TB WD Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6003FZBX : Electronics Amazon.com: Western Digital 6TB WD Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6003FZBX : Electronics](https://m.media-amazon.com/images/I/817cIrmA5GL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Western Digital 6TB WD Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6003FZBX : Electronics
![Seagate SkyHawk 6TB Surveillance Hard Drive - SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive (ST6000VX0023) Seagate SkyHawk 6TB Surveillance Hard Drive - SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive (ST6000VX0023)](https://amcrest.com/media/catalog/product//h/d/hdd6tb-st_2_1_1.jpg)
Seagate SkyHawk 6TB Surveillance Hard Drive - SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive (ST6000VX0023)
![Amazon.com: White Label 6TB 7200RPM 64MB Cache SATA 6.0Gb/s (Enterprise Grade) 3.5" Hard Drive w/1 Year Warranty : Electronics Amazon.com: White Label 6TB 7200RPM 64MB Cache SATA 6.0Gb/s (Enterprise Grade) 3.5" Hard Drive w/1 Year Warranty : Electronics](https://m.media-amazon.com/images/I/61JwKaQyFfL._AC_UF894,1000_QL80_.jpg)
Amazon.com: White Label 6TB 7200RPM 64MB Cache SATA 6.0Gb/s (Enterprise Grade) 3.5" Hard Drive w/1 Year Warranty : Electronics
![Seagate SkyHawk 6TB Surveillance Hard Drive 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive ST6000VX0023 - Newegg.com Seagate SkyHawk 6TB Surveillance Hard Drive 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive ST6000VX0023 - Newegg.com](https://c1.neweggimages.com/ProductImage/22-179-013-06.jpg)