Question How do i check the number of write/erase cycles my USB flash drive has?

TheFlash1300

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Mar 15, 2022
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Is there a way to check the number of write/erase cycles my USB flash drive has, and the health of the USB flash drive? Is there a way to see the S.M.A.R.T status of the USB flash drive?

With CrystalDisk, you can see the health of your SSD/HDD. Is there a software like CrystalDisk, but for USB flash drives and SD cards?

EDIT: I forgot to ask what it means if a flash drive has 10,000 to 100,000 write/erase cycles. Does it mean that 10,000 to 100,000 files can be written and deleted on a single data block, before the data block gets destroyed?

Each data block can store only one file at a time, correct? What is the maximum file size a data block can store?
 

Colif

Win 11 Master
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Jun 12, 2015
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some of these tools might help = https://www.raymond.cc/blog/how-to-check-and-test-usb-flash-drive/

not sure they can check write/erase cycles

HD Sentinel can't see anything about my Samsung USB flash drive.

The program/erase process causes a deterioration of the oxide layer that traps electrons in a NAND flash memory cell, and the SSD will eventually become unreliable, wear out and lose its ability to store data.
https://www.techtarget.com/searchstorage/definition/write-cycle

I can't nail down a size for the block size. I see 4mb but thats a windows thing, I can also find results for smaller.
Not sure it ties into allocation size in which case it varies based on size of the USB itself.
 
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