Mac mini sleep power usage

Adjust settings in Energy Saver

On weekends, I try to stay away from the iMac as much as possible, so I'd say I average about 2 hours of use per day with 22 hours per day in idle mode with the display turned off.

Your Answer

Determining the energy usage of your Apple device is actually quite simple. Go to Apple's Environmental Responsibility Report page , and you can see the energy diet of every Apple hardware product made back to Going to the list, I found that the inch iMac uses My next calculation was to determine how much energy I'd use if I set the Energy Saver system preference to shut the device down for 9 hours every day when I know I'm not going to use the iMac. In that mode, the iMac would use about My last calculation determined how much I'd save if I just set the iMac to sleep when I'm not using it, so basically it's running for about 8 hours and sleeping for 16 hours on weekdays, or running for 2 hours and sleeping for 22 on weekends.

In that situation, the iMac uses about Still, that's not all that great. My reticence towards using sleep mode on this computer was based on past experiences where "waking up" just took too damned long, but this iMac jumps back from sleep mode very quickly.

How about you, readers? Once the Mac is sleeping, power is removed from the RAM. When you wake the Mac up, the startup drive must first write the data back to the RAM, so wake time is a bit slower.

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This is the default sleep mode for portables released before This mode is also called hibernatemode 1. Safe Sleep: Wake time is very fast because the RAM still contains the necessary info. Writing the RAM's contents to the startup drive is a safeguard.

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Should something happen, such as battery failure, you can still recover your data. Once RAM contents are copied, all Mac sleep modes then execute the following functions: The processor is put into a low-power state. The video output is disabled. Connected displays will enter their own low-power state if supported.

Apple-supplied hard drives will spin down. Third-party internal and external drives may spin down most do. Optical media drives spin down.

Mac mini: Power consumption and thermal output (BTU) information

Ethernet port is disabled. AirPort functions, if any, are disabled. USB ports have limited functionality respond to keyboard. Audio input and output are disabled. When you wake your computer from safe sleep, a progress indicator appears. This indicates that the previously stored contents of memory are being read from the startup disk and copied back into RAM. If you use sharing features on your Mac, other computers that use these services may be able to wake your computer on demand. Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement.

Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Risks are inherent in the use of the Internet. Contact the vendor for additional information.

What Really Happens When You Put Your Mac to Sleep?

Other company and product names may be trademarks of their respective owners. Put your Mac to sleep You can save energy by putting your Mac to sleep when you're not using it. To put your Mac to sleep immediately, do one of the following: Adjust settings in Energy Saver When you don't use your Mac for a while, macOS can automatically turn off features that you aren't using.

You can adjust energy-related settings in the Energy Saver pane of System Preferences: Click Energy Saver. Display sleep You can tell your Mac how long to wait before it puts its display to sleep. Put hard disks to sleep when possible This setting powers down the hard drive motor when you aren't reading or writing files from the drive.

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  • Wake for network access Select this option if you want your computer to automatically wake up when someone accesses its shared resources, such as shared printers or iTunes playlists. If you don't want your Mac to wake up on its own to perform these tasks, deselect this option. More options You might see more options in Energy Saver preferences depending on whether you use a Mac desktop or notebook.

    These options are available on iMac and Mac Pro: Mac mini has these options: Turn display off With some Mac desktop computers, you can set how long to wait until the computer enters its lowest idle power mode. Other sleep modes Some Mac computers enter special sleep modes when you leave them idle for a long time, helping them conserve even more energy.

    Waking your Mac To wake your Mac from any of these sleep modes, do one of these:

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