In short
How much storage do I need for CCTV? Comparing the most commonly used resolutions and codecs, H.264, H.265, H.265+. It all depends on what the CCTV is run..
How Much Storage Do I Need for Security Cameras?
Storage Usage
How much storage do I need for security cameras? How many terabytes should I get? This knowledge is necessary before you purchase a storage device.
What are codecs?
Codecs is a device or program that compresses data to enable faster transmission and decompresses received data. In simple terms, it reduces the size of the file.
Does file size matter?
Frankly speaking, it depends. Majority of CCTV system has a loop feature, it deletes the oldest recording to be able to record a new one when there is no more storage.
I will explain the most commonly used resolution by companies or housing properties.
Resolution and Codecs will affect how much storage your CCTV will use to record.
Resolution
- 720p(1280*720) one-megapixel
- 1080p(1920*1080) two-megapixel
- 1440p(2560*1440) four-megapixel
Codecs
- H.264
- H.265
- H.265+
This comparison chart is only for one day, one camera and running on 10fps. The size may have slight differences.
| 720p | |
| H.264 | 9 Gigabyte |
| H.265 | 5 Gigabyte |
| H.265+ | 4 Gigabyte |
| 1080p | |
| H.264 | 18 Gigabyte |
| H.265 | 9 Gigabyte |
| H.265+ | 8 Gigabyte |
| 1440p | |
| H.264 | 35 Gigabyte |
| H.265 | 18 Gigabyte |
| H.265+ | 13 Gigabyte |
Frequently asked questions
- What are codecs?
- Codecs is a device or program that compresses data to enable faster transmission and decompresses received data. In simple terms, it reduces the size of the file.
- Does file size matter?
- Frankly speaking, it depends. Majority of CCTV system has a loop feature, it deletes the oldest recording to be able to record a new one when there is no more storage. I will explain the most commonly used resolution by companies or housing properties. Resolution and Codecs will affect how much storage your CCTV will use to record.
Want this done for you?
We supply and install CCTV, door access, video intercom and Wi-Fi systems across Singapore, from Hikvision, Uniview, Vstarcam, TP-Link, Ruijie and EZVIZ. Send a photo or floor plan and we will recommend a setup and a fixed price.