Surveillance Hard Disk
Surveillance Storage is built for 24/7, always-on, high-definition surveillance security systems that use up to eight hard drives and up to 32 cameras, best Video Hard Drives & Video Storage for DVR ,SDVR, NVR, Surveillance Systems like WD Purple Surveillance Storage , Seagate Surveillance HDD (SV35 Series) , 1TB, 2TB, 3TB, 4TB