Hard Drive Calculator
The WD Purple™ 128GB microSD cards are perfect for your security surveillance cameras and are made for 24/7 usage. These microSD cards are rated UHS Speed Class 3 (U3) and Video Speed Class 30 (U1).
They are humidity resistant and can be used in a wide range of temperatures from -13°F to 185°F so they can be used just about anywhere.
Whether you need to record for hours, days or weeks, you can use this SD card for motion-triggered or continuous recording.
You’ll get great performance with sequential read performance up to 100 MB/s and sequential write performance up to 60 MB/s.
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