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.
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:
Up to 2GB
Secure Digital High Capacity
4GB to 32GB
Secure Digital High Extended Capacity
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:
Full HD video
Full HD video
Full HD video w/ continuos recording
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:
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
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Claudemir Martins is a former Samsung Engineer with 15+ experience in the surveillance industry. He has been traveling around 17 different countries to teach people how to design, and install CCTV systems.