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General discussion • Re: Long-term use durability: high-grade USB drives vs micro SD

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SD cards are more likely to reduce speed over time, it isn't so much an issue higher quality SD cards or decent USB flash drives. The speed deterioration is more likely on systems that don't TRIM the drives.

I've being using three fit-plus SSD drives for one year on Pi4's running flat out 24/7, I put them on short USB3 extensions because they and the Pi4's run pretty hot and the combined temperature was higher for both. I know one year is not much of an endorsement but its harsher usage than average.

As with any flash device if you spec the device twice the size you need and ensure TRIM is working then your boosting the chances of the drive having a much longer life.

Most SD cards have a long life eg its rare a dashcam SD card goes faulty which is a fairly tough environment.

If you want reliability, I would still promote Kingston A400 SSD SATA drives with a USB3/SATA adapter which are very cheap, I've punished some of them for a number of years and not had an issue, many were bought secondhand, my first one is still used in my main desktop with trust. Obviously not so convenient size-wise.

If you want an archiver that might not be used very often then I'd still use a HDD because flash is more likely to forget over time if it is not self-refreshed.

Note the word "flash" includes SD, USB and SSD.

Statistics: Posted by pidd — Tue Jun 04, 2024 8:29 am



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