Storage Days of CCTV Camera Videos in DVR Depends on 2 major factors.
Size of the Hard Disk
Bigger the Storage size of the hard drive, bigger the number of days the backup you get.DVR Storage Capacity starts from 500 GB and goes on up to 16 TB and even More.
Mode of Recording
There are two types of recording in CCTV systems
24 Hour Record
In this Mode the system never stops, it keeps recording images whole day 24*7,It keeps filling up the Hard disk.
In this Mode the systems records/Captures images only when there is a motion, No motion mean no recording which in turn keep up the hard disk space.
Here we have provided Storage size of Cameras in GB per Day according to their Formats H.264 Compression.
|Resolution||Storage Per Day in GB|
|1 MP||25-30 GB Aprox|
|2 MP||35-40 GB Aprox|
|3 MP||60-65 GB Aprox|
You Can also Use DVR Hard Drive Calculator an useful online tool to calculate the storage capacity : Hard Drive Calculator
Note : The mentioned stats are as far our analysis with CCTV systems being an CCTV Camera Installers in Chennai,It may change according to several other factors as well.If you feel any changes or if you have any more information you can Comment it Thank You.