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Summary

Considering personal and property safety, many people will install inside and outside security cameras at home and companies. These cameras should be on for monitoring and recording all the time. Hence, we usually need a SD card to save these records. In this essay, we will talk about how to select best SD cards for inside and outside security cameras.



Nowadays, the security monitoring system is becoming more and more integrated, monitoring, saving and alerting included. The home monitoring system with SD card becomes dominant. So, what should be considered when we are selecting the best SD card for a security camera?

What Should be Considered when Selecting Security Cameras

1. Size

SD card is divided into three sizes, namely (standard) SD card, mini SD card and micro SD card. When selecting the best SD card for a security camera, we should conform to the slot of the camera. Of course, most of them only support micro SD cards.
different sd card sizes and types

2. Capacity

SD cards are designed with many capacities, like 8GB, 16GB, 32GB, 64GB, 128GB, 256GB, even 512GB and larger. We should select the best SD card given that how long should we record and keep the videos. If the capacity of the card is too small, it will be full soon.

Therefore, you should select a slightly larger SD card supported by the security camera, like 64GB even larger capacities.

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3. Speed Class

When selecting the best SD card for a security camera, we should consider not only the capacity but also the speed class because the write speed determines the quality of the records. If the SD card writes slowly, drop frames or jerky motion will appear on the videos.
The different SD cards come in different read and write speed. Early, speed class is used to value the SD card performance, including Class 0, Class 2, Class 4, Class 6 and Class 10. Yet, currently, UHS Speed Class 1(U1) and UHS Speed Class 3 (U3) are the designated indicators of SD card performance.
Class 0: The write speed is lower than Class 2 or the speed is not clear.
Class 2: The minimum sequential write speed is 2MB/s.
Class 4: The minimum sequential write speed is 4MB/s.
Class 6: The minimum sequential write speed is 6MB/s.
Class10: The minimum sequential write speed is 10MB/s.
U1: The minimum sequential write speed is 10MB/s.
U3: The minimum sequential write speed is 30MB/s.
The higher the speed class is, the faster the SD card can read and write. If you want to obtain high-quality records, you should consider about Class 10 or the higher speed classes.

4. Usage Scenario

When selecting the best SD card for a security camera, you should consider the factors of the usage scenario, like location, temperature and moisture. If you are going to install a camera outside, the camera should withstand extremely high or low temperature and excessive moisture. We recommend that a SD card should be waterproof, temperature-proof and antimagnetic.
the basic feaures of the best sd card for security camera
In addition, we should consider about safety and lifespan. The branded products are usually reliable, safe and durable. The standard suppliers will make marks on SD cards, including flash memory type, capacity and speed class. If you are interested with these marks, please refer to “Symbols on SD Card”.
Is there any SD card suitable for a security camera? The followings are the best SD card for security cameras that we recommend.

Best SD Card for Security Cameras

SanDisk 64GB Micro SDXC (High Endurance Video Monitoring)

Capacity: 64GB
Speed class: Class 10
Read speed: Up to 95MB/s
Write speed: Up to 20MB/s
Operating temperature: -25℃ to 85℃
Warranty: Two-year limited warranty
Features: Waterproof, temperature-proof, x-ray-proof, antimagnetic, shockproof
Price: USD$16.40
sandisk 64gb sdxc is thebest sd card for security camera

Samsung 128GB Micro SDXC EVO Plus

Capacity: 128GB (or 64GB, 256GB)
Speed class: Class 10/U3
Read speed: Up to 100MB/s
Write speed: Up to 90MB/s
Operating temperature: -25℃ to 85℃
Warranty: Ten-year limited warranty
Features: Waterproof, temperature-proof, X-ray-proof, antimagnetic
Price: USD$24.25
best sd card for security camera is samsung 128gn micro sdxc evo plus

Samsung 64GB PRO Micro SDXC (High Endurance Video Monitoring))

Capacity: 64GB (or 128GB)
Speed class: Class 10/U1
Read speed: Up to 95MB/s
Write speed: Up to 30MB/s
Operating temperature: -25℃ to 85℃
Warranty: Three-year limited warranty
Features: Waterproof, temperature-proof, X-ray-proof, antimagnetic
Price: USD$17.99
samsung 64gb pro micro sdxc sd card

Samsung 128GB Micro SDXC (Updated)

Capacity: 128GB (or 64GB, 256GB)
Speed class: Class 10/U3
Read speed: Up to 100MB/s
Write speed: Up to 90MB/s
Operating temperature: -25℃ to 85℃
Warranty: Two-year limited warranty
Features: Waterproof, temperature-proof, X-ray-proof, antimagnetic, shockproof
Price: USD$25.99
the best sd card for a security camera is sandisk 128gb

Lexar 64GB Micro SDXC

Capacity: 64GB (or 128GB)
Speed class: Class 10/U3
Read speed: Up to 150MB/s
Write speed: Up to 90MB/s
Operating temperature: -25℃ to 85℃
Warranty: Ten-year limited warranty
Features: Waterproof, temperature-proof, X-ray-proof, antimagnetic, shockproof
Price: USD$27.99
lexar sd card for security camera
These are recommended SD cards for security cameras. You can select one based on your own needs. If your records saved on the SD card is formatted, deleted or damaged, you can refer to “How to Fix a Corrupted or Not Detected Micro SD Card” and recover the card.