Look for cards with minimum write speeds of 70MB/s that support UHS-I Video Speed Class (V30).

When shooting Full HD or 4K UHD you don’t want to worry about slow speeds and dropped frames. The latest microSD cards offer higher storage, allowing longer video recordings (perfect for continuous-use security cameras). For that reason, we will limit the card speed conversation solely to them. Most security cameras are designed for microSD-size cards. Too slow a speed could cause the video to skip or become sluggish, either of which defeats the reason for having the camera. While the speed rate of a memory card is based on its read/write speed, with security cameras, you really only care about the write speed, which is the rate at which the card writes (records) data to its memory. Suffice it to say however the card is being used, practical choices range from 32GB to 512GB. High-resolution videos (1080p or 4k) require more storage space. Next, how will the camera be used? Will it record continuously or only after motion detection? Continuous use requires a high-capacity/high-endurance card on-motion, not so much. It probably has some nuggets of information regarding the manufacturer’s recommendations for your particular model. CapacityĪs they say, read the owner’s manual.

So, how do we assure ourselves that we are purchasing a memory card that suits our needs and provides quality images? We do our homework and check out a few critical features such as the capacity, speed and durability of the cards that interest us. So, it’s important to make sure images are clean and clear. We are, after all, capturing video that could prove necessary and useful at some point. Within these security cameras, the memory card is the vital piece of tech that allows us to see what the camera saw and recorded. No matter where or how they are used, they see and capture things we’d rather not see but are thankful for nonetheless. Whether in your home or place of business, security cameras are a part of the world we live in. They’re static, rotating hanging off the ceiling, sitting on a shelf hidden, visible indoors, outdoors.

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