

If the power cycle frequency is low enough such that the device is not in danger of experiencing excess wear, then the D3 idle timeout value is shortened dramatically to ensure the drive is powered down quickly once it is idle in Modern Standby. StorAHCI specifies a minimum power cycle period of 5 minutes for rotational drives.

If you want to modify the minimum power cycle period, according to guidance from your device vendor, you can use the following registry key: This means that if such a drive is being power cycled more frequently than every 5 minutes it will instead remain powered up when idle for a short time to compensate. SATA AHCI CONTROLLER DRIVER WINDOWS 10 1.2.1.402 KEYGEN

