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Video Surveillance

Hard Drives

Surveillance-grade hard drives are purpose-built for the continuous write demands of NVR recording. Standard desktop or enterprise drives are not designed for 24/7 video recording and will fail prematurely in NVR systems. WD Purple and Seagate SkyHawk drives are engineered specifically for this workload — with firmware optimizations for streaming video, vibration tolerance for multi-drive systems, and rated duty cycles that match the always-on nature of security recording..

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About Hard Drives

Surveillance-grade hard drives are purpose-built for the continuous write demands of NVR recording. Standard desktop or enterprise drives are not designed for 24/7 video recording and will fail prematurely in NVR systems. WD Purple and Seagate SkyHawk drives are engineered specifically for this workload — with firmware optimizations for streaming video, vibration tolerance for multi-drive systems, and rated duty cycles that match the always-on nature of security recording.

Frequently Asked Questions

Can I use a regular hard drive in my NVR? +
We strongly recommend against it. Standard desktop drives are not designed for the continuous write operations that NVR recording demands. Surveillance-grade drives like WD Purple and Seagate SkyHawk have firmware and hardware optimizations that prevent frame drops, reduce vibration impact, and dramatically extend drive lifespan in recording systems.
How many hard drives does an NVR need? +
It depends on your retention requirements. A small system might use a single 4–8TB drive. Larger deployments with more cameras and longer retention periods may need multiple drives in a multi-bay NVR — sometimes 4–8 drives totaling 20–80TB.

Other Video Surveillance Categories

Cameras Recorders Encoders Accessories