Phison has confirmed it is investigating reports that Microsoft’s August cumulative for Windows 11 (24H2) — distributed as KB5063878 — is associated with a storage regression that can make certain NVMe SSDs stop responding or disappear from Windows during large, sustained write operations...
data loss
dramless ssd
firmware update
hmb
host memory buffer
kb5063878
known issue rollback
nvme ssd
os update
phison
sccm
storagefailurestorage regression
windows 11
windows update
wsus
Microsoft’s August cumulative for Windows 11 — KB5063878 (OS Build 26100.4946) — has been linked by independent testers and enthusiast communities to a reproducible and severe storage fault: under sustained large sequential writes (reports center around the 50 GB range), certain NVMe SSDs—and a...
backup
backups
bsod
controller firmware
data corruption
data integrity
dram-less nvme
dram-less ssd
drive disappears
driver regression
enterprise deployment
firmware update
gaming storage
heavy i/o
hmb
host memory buffer
it administration
kb5063878
known issue rollback
known issues
large i/o
nvme ssd
os build 26100.4946
phison
phison controllers
sccm
ssd disappearing
ssd stability
staged rollout
storagefailurestorage regression
system update
telemetry
vendor advisories
vendor guidance
western digital sn580
western digital sn770
windows 11
windows update
wsus
