TOSHIBA Enterprise 12TB 3.5" Hard Disk 12T Internal Hard Disk HD 7200RPM SATA3 for desktop PC can be used for surveillance video - AliExpress
Amazon.com: Toshiba MG Series Enterprise 12TB 3.5'' SATA 6Gbit/s Internal HDD 7200RPM 550TB/year 24/7 Operation. MG07ACA12TE : Electronics
Amazon.com: Toshiba X300 PRO 12TB High Workload Performance for Creative Professionals 3.5-Inch Internal Hard Drive – Up to 300 TB/Year Workload Rate CMR SATA 6 GB/s 7200 RPM 512 MB Cache - HDWR51CXZSTB : Electronics
Toshiba 12TB Enterprise HDD SAS 12Gb/s 512e 7200 RPM 256MB Cache 3.5" Internal Hard Drive MG07SCA12TE - Newegg.com
Toshiba MG07ACA Series MG07ACA12TE 12TB SATA 6Gb/s 256MB 7200RPM 3.5" HDD (500 or fewer power-on hours) - Central Valley Computer Parts