Free calculator · Infrastructure

CCTV storage calculator

How much hard drive space does your camera system need? Enter your cameras, resolution and how many days of footage you want to keep. Short storage is a common reason footage is gone by the time an incident is noticed.

Your camera system

Check your recorder's settings if unsure.

10–15 is common for business CCTV.

Many businesses keep 30 days.

Mbps

Leave blank to use a typical 3.0 Mbps.

Storage needed
7.8 TB
9.3 TB with 20% headroom
Per camera, per day
32.4 GB
Suggested drive size
10 TB

Bitrates are typical figures; actual use depends on your camera settings, lighting and scene. Night scenes and busy areas use more. Use surveillance-rated drives, which are built to record around the clock.

Planning new cameras or a bigger recorder?

We design and install CCTV systems with the right cameras, storage and remote viewing, and keep them recording.

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