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 Post subject: Crucial MX500 Write Amplification Factor
PostPosted: March 25th, 2020, 17:14 
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Joined: September 8th, 2009, 18:21
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Location: Australia
Here is an interesting (and very long) thread where a user has experienced a huge Write Amplification Factor (WAF) in a Crucial MX500 SSD:

https://forums.tomshardware.com/threads/crucial-mx500-500gb-sata-ssd-remaining-life-decreasing-fast-despite-few-bytes-being-written.3571220

The workaround was to implement a background CMD batch script which repeatedly executed a SMART self test (smartctl) punctuated by 20 minute waits:

https://forums.tomshardware.com/threads/can-a-series-of-smart-selftests-be-made-to-span-the-entire-ssd-if-each-selftest-is-periodically-aborted.3581869

Can anyone suggest how and why this workaround was able to tame the astronomical WAF?

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