High temperatures could trigger thermal throttling and affect the performance of SSDs. some other vendor-specific health indicators.Temperature, vibration level or electrical noise conditions could affect the following health indicators (SMART attributes): Quality of data cables affects health indicator #199 “(UDMA) CRC Error Count”. Fluctuation of “Spin-Up Time” indicator usually means that drive have not enough power supply or has not optimal temperature conditions or both. However, most modern computers have the ability to stop a drive while the machine is already running as a means of energy conservation or noise reduction. Spin-up generally occurs at the very beginning of the computer boot process. Health indicator “Spin-Up Time” reports average time (in milliseconds or seconds) of spindle spin-up (from 0 rpm to fully operational). In the case of HDDs: #3 “Spin-Up Time” is mostly affected by power supply health indicator. SSDs and especially HDDs could be sensitive to power supply level, and high performance 7200+ RPM HDDs could be very sensitive to power supply level.
Some subset of HDD / SSD health indicators is related not only with HDD / SSD itself but also with hardware environment (computer, ports, cables, power supply, drive and ambient temperature and (sometimes even) electrical noise).
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