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Windows 11 Update Risks SSD Failures During Transfers

8/20/2025

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Summary

Story summary

A Windows 11 security update (KB5063878) may lead to SSD failures during large data transfers, especially with Phison controllers.
Users have reported drives becoming unrecognizable after transferring approximately 50GB of data.
Phison is investigating the issue and recommends avoiding extensive write tasks until a resolution is found.
Affected SSD models include Corsair Force MP600 and SanDisk Extreme PRO.

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Story summary

A Windows 11 security update (KB5063878) may lead to SSD failures during large data transfers, especially with Phison controllers.
Users have reported drives becoming unrecognizable after transferring approximately 50GB of data.
Phison is investigating the issue and recommends avoiding extensive write tasks until a resolution is found.
Affected SSD models include Corsair Force MP600 and SanDisk Extreme PRO.