Ads

Superfetch

 

General Information

None at this time.

Windows 8

Default Description

Maintains and improves system performance over time.

Additional Information

None at this time.

Default Startup Type

OS SP0
Windows 8 x86 Automatic (Started)
Windows 8 x64 Automatic (Started)
Windows 8 Pro x86 Automatic (Started)
Windows 8 Pro x64 Automatic (Started)
Windows 8 Enterprise x86 Automatic (Started)
Windows 8 Enterprise x64 Automatic (Started)

Service Names

Service Name (registry): SysMain
Display Name: Superfetch

Default Path and Command Line Options

C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted

Log On As

Account: Local System account

Dependencies

Note: No dependencies are listed for any service in the WDP build I used to draft this information.

Windows 7

Default Description

Maintains and improves system performance over time.

Additional Information

None at this time.

Default Startup Type

td>Automatic (Started)

td>Automatic (Started)

td>Automatic (Started)

td>Automatic (Started)

td>Automatic (Started)

td>Automatic (Started)

OS SP0 SP1
Windows 7 Starter Automatic (Started)
Windows 7 Home Basic Automatic (Started)
Windows 7 Home Premium Automatic (Started)
Windows 7 Professional Automatic (Started)
Windows 7 Ultimate Automatic (Started)
Windows 7 Enterprise Automatic (Started)

Service Names

Service Name (registry): SysMain
Display Name: Superfetch

Default Path and Command Line Options

C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted

Log On As

Account: Local System account

Dependencies

What service Superfetch needs to function properly:

What other service require Superfetch to function properly:

  • None (S, HB, HP, P, U, E)

Windows Vista

Default Description

Maintains and improves system performance over time.

Additional Information

Superfetch Service along with ReadyBoost service and an USB flash drive or memory card is used as additional RAM. If you do not use an USB flash drive in this manner, you can disable ReadyBoost, but I recommend to leave the Superfetch service on Automatic.

Default Startup Type

OS SP0 SP1 SP2
Vista Home Basic Automatic (Started) Automatic (Started) Automatic (Started)
Vista Home Premium Automatic (Started) Automatic (Started) Automatic (Started)
Vista Business Automatic (Started) Automatic (Started) Automatic (Started)
Vista Ultimate Automatic (Started) Automatic (Started) Automatic (Started)
Vista Enterprise Automatic (Started) Automatic (Started) Automatic (Started)

Service Names

Service Name (registry): SysMain
Display Name: Superfetch

Default Path and Command Line Options

C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted

Log On As

Account: Local System Account

Dependencies

What service Superfetch needs to function properly:

What other service require Superfetch to function properly:

  • None (HB, HP, B, U)

Additional Reading

More information on these features is located here:

Performance tests conducted with ReadyBoost and Superfetch are located here:

The recomended amount of ReadyBoost is between 1 and 3 times the physical RAM installed in the system. More information is here: