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Use this calculator to determine just how much storage space you will need for your surveillance system.

Number of cameras recording?

Number of frames per second you would like each camera to record?

What video encoding will the system use?

What screen resolution will the system use?

How many hours per day will the camera run?

How many days of video would you like to store?

You will need about Gigabytes of hard drive space to meet your storage needs.

This is an estimate that can vary in actual use depending on type of video being recorded.


  1 frame per second is the lowest frame rate recordable and 30 frames per second is the maximum which is real time

  There is no real need to record in real time unless there are regulatory reasons as in case of government facilities or casinos

  Recording at 1 frame per second is what traditional analog systems record

  You can always rewind in high speed so the lower the frame rate the faster it is to playback an entire day

  At 3 - 5 frames per second recording you will not miss any activity (remember this is per second)

  ***these are just estimates as a variety of conditions can substantially change the storage requirements.