Hard Drive Calculator

It’s a great tool to point you in the right direction so you can be sure you’ll have enough HDD space on board before your DVR or NVR re-records over evidence.

You can enter the number of cameras you want and try different recording resolution and frame rate settings to find the perfect balance between recording time and recording quality and see the maximum video quality you could achieve over a certain time period.

What size hard drive will I need in my DVR / NVR for recording CCTV footage?

The easiest way to estimate the size of the hard drive you require is to use our Free HDD calculator.

Simply enter the resolution, frame rate and number of channels you intend to record plus a hard drive size and you’ll see an estimate as to how long you could record for with the current settings on that hard drive. By adjusting the hard drive size you’ll see an updated estimated recording times and find the right hard drive size for your customer’s needs.