Western Digital 1TB Purple Surveillance Hard Drive gen excellent for video surveillance in

excellent for video surveillance in wide coverage areas such as airports

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it delivers reliable and intelligent surveillance for homes

for door sensor or other low voltage device Alarm Output 2 Relay

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Western Digital 1TB Purple Surveillance Hard Drive gen excellent for video surveillance inDescription WD Purple drives are engineered specifically for the surveillance industry to handle the higher workloads and demands of 24 7 HD surveillance systems. They can support up to 32 cameras with 8 drives and can handle 3 x the workload of regular desktop drives. They're designed to operate at low power with reduced ambient noise and vibrations for longer life spans. You can rely on surveillance class storage built by one of the largest, leading