![Amazon.com: Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ : Electronics Amazon.com: Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/8129qkSiKTL.jpg)
Amazon.com: Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ : Electronics
![Amazon.com: Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ : Electronics Amazon.com: Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71nv483AJKL.jpg)
Amazon.com: Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ : Electronics
![Amazon.com: Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ : Electronics Amazon.com: Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51VktDSn0ML._AC_UF894,1000_QL80_.jpg)
Amazon.com: Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ : Electronics
![Amazon.com: Seagate IronWolf Pro 12TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage Data Recovery Service – Frustration Free Packaging (ST12000NEZ008) : Electronics Amazon.com: Seagate IronWolf Pro 12TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage Data Recovery Service – Frustration Free Packaging (ST12000NEZ008) : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71alKeF8ZKL.jpg)
Amazon.com: Seagate IronWolf Pro 12TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage Data Recovery Service – Frustration Free Packaging (ST12000NEZ008) : Electronics
![Amazon.com: HGST WD Ultrastar DC HC520 HUH721212AL4200 12TB HDD 7200 RPM SAS 12Gb/s Interface 4Kn ISE 3.5-Inch Helium Data Center Enterprise Internal Hard Disk Drive, Model: 0F29560 : Electronics Amazon.com: HGST WD Ultrastar DC HC520 HUH721212AL4200 12TB HDD 7200 RPM SAS 12Gb/s Interface 4Kn ISE 3.5-Inch Helium Data Center Enterprise Internal Hard Disk Drive, Model: 0F29560 : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61jbtIS+QLL._AC_UF894,1000_QL80_.jpg)
Amazon.com: HGST WD Ultrastar DC HC520 HUH721212AL4200 12TB HDD 7200 RPM SAS 12Gb/s Interface 4Kn ISE 3.5-Inch Helium Data Center Enterprise Internal Hard Disk Drive, Model: 0F29560 : Electronics
![Amazon.com: Western Digital HUH721212ALE604 12TB Ultrastar DC HC520 SATA HDD - 7200 RPM Class, SATA 6 Gb/s, 256MB Cache, 3.5" : Electronics Amazon.com: Western Digital HUH721212ALE604 12TB Ultrastar DC HC520 SATA HDD - 7200 RPM Class, SATA 6 Gb/s, 256MB Cache, 3.5" : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61Kjwvy5-0L.jpg)
Amazon.com: Western Digital HUH721212ALE604 12TB Ultrastar DC HC520 SATA HDD - 7200 RPM Class, SATA 6 Gb/s, 256MB Cache, 3.5" : Electronics
![Amazon.com: Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ : Electronics Amazon.com: Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/81D7UoReNDL.jpg)
Amazon.com: Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ : Electronics
![Toshiba 12TB Enterprise HDD SATA 6.0Gb/s 512e 7200 RPM 256MB Cache 3.5" Internal Hard Drive MG07ACA12TE - Newegg.com Toshiba 12TB Enterprise HDD SATA 6.0Gb/s 512e 7200 RPM 256MB Cache 3.5" Internal Hard Drive MG07ACA12TE - Newegg.com](https://c1.neweggimages.com/productimage/nb640/AFYUD2302090Y2R6N1D.jpg)
Toshiba 12TB Enterprise HDD SATA 6.0Gb/s 512e 7200 RPM 256MB Cache 3.5" Internal Hard Drive MG07ACA12TE - Newegg.com
![Amazon.com: MDD 12TB 7200RPM SATA 6Gb/s 256MB Cache 3.5inch Internal Desktop Hard Drive, MD12TBGSA25672, Mechanical Hard Disk (Renewed) : Electronics Amazon.com: MDD 12TB 7200RPM SATA 6Gb/s 256MB Cache 3.5inch Internal Desktop Hard Drive, MD12TBGSA25672, Mechanical Hard Disk (Renewed) : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51TVFOERNQL.jpg)