DVR Digital Video Recorder Storage Calculator

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DVR Storage Calculator

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Just fill-in the missing information and you'll know instantly what size hard drive your DVR (Digital Video Recorder) system will need. Try several scenarios that best fit your particular situation.

This is an estimated only. Other factors may change your personal disk storage such as compression, quality and resolution. High resolution images require more space in comparison to low resolution images.

1.Days of storage needed:

2.Number of cameras:

3.FPS for one camera:*

4.Hours per day:

5.Number of days per week:

Amount of storage needed =

1.Number of days needed of stored video on your DVR's hard drive.

2.Total number of cameras connected to your DVR.

3.Divide the recording Frames Per Secound (FPS) of your DVR by the number of cameras connected to your system. (see example below).

4.Total number of hours each workday your system is recording. If your DVR is set to record on motion, do not include hours when the area is clear of people/traffic.

5.Total number of days your system will be active in a typical work week. Again, If your DVR is set to record on motion, do not include days when the area is clear of people/traffic.

Answer; This is the minimum amount of storage needed.

*Example: If your DVR recording FPS is 160, and, you have 16 cameras connected to your DVR, you then divide 160 ÷ 16 = 10 So, 10 is the response to "FPS for one camera".

Bytes are measured through the power of twos.

Therefore, one gigabyte is two to the 30th power in bytes, equaling 1,073,741,824 bytes, or 1,048,576 kilobytes or 1,024 megabytes.

One half of 1,024 megabytes is 512, therefore, 512 megabytes is equal to one half of a gigabyte and half of a terabyte is 512 gigabytes .

All information is the sole property of ESLI Surveillance and may be used only with written permission of ESLI Surveillance

As with all advice listed on eyespyli.com or other publications, we try to give you a starting point. All CCTV jobs are different and individual needs have to be taken into consideration. Please check with one of our trained representatives with your specific requirements before starting any job.

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