Memory Card for CCTV

Most of the modern IP security cameras have a memory card slot. This is very interesting because the camera can record on the same type of card used in regular photo cameras, but it is important to understand exactly what is the best CCTV camera memory card type that can be used on your IP cameras.

Memory Card for Security Cameras

When we look at the specification of an IP camera we can see that many of them offer a slot for SD, SDHC and SDXC memory card, but what does this mean exactly? These names are related to the maximum storage capacity of the cards, the table below shows the details of each type:

Type

Abbreviaton

Capacity

Secure Digital

SD

Up to 2GB

Secure Digital High Capacity

SDHC

4GB to 32GB

Secure Digital High Extended Capacity

SDXC

32GB+ to 2TB

Another thing to consider is the card speed, when taking a picture or recording a video, the speed with which the data is written to the card are fundamental, the higher the speed the better, if you want to record high resolution video with a high frame rate per second this will require a fast card

So when you buy a card for your IP camera is not worth taking risks. Watch out for the card speed provided. Just take a look at the card to see the speed indication card that comes it with classes ranging from C2, C4, C6 or C10 ,you can also find classes with different nomenclatures like 16X, 32X, 48X or 100X. The table below summarizes the classes of cards:

Class

Recording speed

Recording speed

X

class 2

Standard Definition

2MB/s

16X

class 4

Full HD video

4MB/s

32X

class 6

Full HD video

6MB/s

48X

class 10

Full HD video w/ continuos recording

10MB/s

100X

The capacity of the card is also important for the amount of photos or videos that we will be stored, the table below shows the approximate values for each case:

Type

32GB

16GB

8GB

4GB

2GB

Pictures

6400

3302

1650

820

408

SD Video

800 minutes

400 minutes

200 minutes

100 minutes

50 minutes

HD Video

480 minutes

240 minutes

120 minutes

60 minutes

30 minutes

Conclusion about memory card for CCTV

When choosing the memory card for CCTV take all these factors into consideration before purchase. buy the best one for your application

Want to learn more ? 

If you want to become a professional CCTV installer or designer, take a look at the material available in the blog. Just click the links below:

Ultimate Guide V3

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