Power supply
The specifications for ATXV12 2.52 were released in June 2018 introduces minor changes to the standard, most notably it requires power supply manufacturers to ensure power supplies with "Alternative Sleep Mode (ASM)" support are able to withstand power cycles every 180 seconds (480 times per day or 175,200 per year). Power supply fans are also recommended to turn on with at least a two second delay for an improved user experience.