System Check if Modern Standby is Supported in Windows 11


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In Windows 10 and Windows 11, there are two power models for PCs: S3 and Modern Standby (S0 Low Power Idle). The S3 power model is an older standard and is not capable of the instant on that consumers expect from modern devices. Modern Standby is capable of leveraging all the capabilities of a modern chipset and can be integrated across the breadth of tablets and PCs today. The first iteration of Modern Standby was Connected Standby, which first shipped in Windows 8 and Windows 8.1. Modern Standby expands upon the Windows 8.x Connected Standby concept, allowing for flexibility in component selection and the ability for the OS to manage network connectivity in standby.

Windows 10 and Windows 11 Modern Standby (Modern Standby) expands the Windows 8.1 Connected Standby power model. Connected Standby, and consequently Modern Standby, enable an instant on / instant off user experience, similar to smartphone power models. Just like the phone, the S0 low power idle model enables the system to stay connected to the network while in a low power mode.

Although Modern Standby enables an instant on/off user experience like Connected Standby, Modern Standby is more inclusive than the Windows 8.1 Connected Standby power model. Modern Standby allows for market segments previously limited to the Traditional Sleep (S3) power model to take advantage of the low power idle model. Example systems include systems based on rotational media and hybrid media (for example, SSD + HDD or SSHD) and/or a NIC that doesn’t support all of the prior requirements for Connected Standby.

Modern Standby systems can be connected or disconnected to allow network connectivity during standby. This behavior is dictated by the hardware and/or by configuration.
  • Connected Modern Standby will allow you to stay connected to the network (ex: Wi-Fi) while in standby to still receive and get notifications about email, VoIP calls, and such, but it will use more battery.
  • Disconnected Modern Standby will allow longer battery life, but you will no longer have the advantages of staying connected to the network while in standby.
On any Modern Standby system (whether connected or disconnected), the system remains in S0 while in standby, allowing the following scenarios to work:
  • Background activity
  • Faster resume from a low power state
On systems that are connected while in standby, wakes based on specific network patterns may also be set by the operating system to enable apps to receive the latest content such as incoming email, VoIP calls, or news articles.

See also:
This tutorial will show you how to check if the Modern Standby (S0 Low Power Idle) sleep state is supported by your Windows 10 or Windows 11 PC.


Here's How:

1 Open Windows Terminal, and select either Windows PowerShell or Command Prompt.

2 Copy and paste the powercfg /a command into Windows Terminal, and press Enter. (see screenshots below)

3 Look under The following sleep states are available on this system to see if one if the following is listed to indicate Modern Standby is supported:
powercfg_a-2.png
powercfg_a-3.png

4 Look under The following sleep states are not available on this system to see if the following is listed to indicate Modern Standby is not supported:
  • Standby (S0 Low Power Idle) with "The system firmware does not support this standby state.".
powercfg_a-1.png


That's it,
Shawn Brink


 

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My Computer

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    CPU
    10900k & 9940x & 5930k
    Motherboard
    z490-Apex & x299-Apex & x99-Sabertooth
    Memory
    Trident-Z Royal 4000c16 2x16gb & Trident-Z 3600c16 4x8gb & 3200c14 4x8gb
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    1-AOC G2460PG 24"G-Sync 144Hz/ 2nd 1-ASUS VG248QE 24"/ 3rd LG 43" series
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