Latest Windows 11 update kills some SSDs - who's at risk and what to do
Windows 11 update KB5063878 (August 2025) may reportedly cause the SSD to disappear from the system when writing large amounts of data (for example, when updating games with tens of gigabytes of data). The device may stop being recognised in Windows and disappear forever after a reboot, which may result in the loss of all files.
It is suspected that SSDs on Phison controllers are more vulnerable to this bug. The list of models that could be affected includes the Corsair Force MP600, Kioxia Exceria Plus G4, Fikwot FN955, SanDisk Extreme Pro M.2 3D, Adata SP580, and others with the Phison PS5012-E12. Phison has already confirmed that it is aware of the issue and is working with partners to find a solution.
Some users have reported similar crashes even on regular HDDs under load.
What is the current advice
Avoid writing large amounts of data (50+ GB) and heavy use of the drive if the update has recently been installed. Microsoft's reaction is not yet known, so caution is in order.
Source: mashable.com
