Never turn off hard disks
Stops spinning hard drives powering down while plugged in.
Applying it needs Nexus Standard or Pro. Every plan can read it here and undo it in Restore Center. Compare plans
What it changes
Turn off hard disk after (plugged in): Never
Before anything is written, the review screen shows this setting's current value on your PC next to the new one.
Why it helps
No multi-second spin-up pause when a game loads from a hard drive.
Trade-offs
Hard drives use a little more power. No effect on SSDs.
Evidence
Moderate evidence means: helps in specific situations. Expected impact is small (1 of 3): how much it can matter when this is actually the bottleneck on your PC, not a promised gain.
Is it in a pack?
No. It isn't hand-picked as recommended, so you apply it on its own, after reading the trade-offs.
How to undo
Switch the tweak off in Nexus, or open Restore Center and restore this change (or choose Undo last change). Nexus writes back the original value it recorded before applying, not a generic default, then reads it back to confirm.
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