How to disable Prefetch and SuperFetch or SysMain

2020年4月15日 — You can disable sysman service's completely, boot into safemode open registry editor, go to service , then sysmam Chane startup key to 4.

Superfetch 是以Windows XP 中包含的相似Prefetch 功能為基礎。Windows 7 或Windows Vista 下的Intel SSD 不需要Superfetch/Prefetch，應當停用以最佳化效能。

The best practice to do is move prefetch/superfetch to a HDD with symlinks and keep it enabled. You can also tweak ReadyBoot and move it to another HD as well.

2013年10月8日 — For SSDs Prefetch / Superfetch should be disabled. Here is how you can check that the Superfetch is really disabled in Windows: Open Run dialog ...

2013年9月19日 — Yes, because the speed differential between RAM and a physical spinning disk hard drive is much larger than between RAM an a SSD. Also the ...

How to disable Prefetch?Use Win+R shortcut to open the Run dialog box.Type "regedit" and press Enter key to open Registry Editor.Navigate to "HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSessionManagerMemory ManagementPrefetchParameters&

Yes, for most systems with SSDs. If the system disk is an SSD, and the SSD performs adequately on random reads and doesn't have glaring performance issues.

2023年6月6日 — Change the value to 0 to disable prefetching.The default value is usually 3 , enabling prefetching for both applications and boot files. Setting ...

2023年7月27日 — Disabling sysmain Will also disable memory compression, meaning that your RAM usage will INCREASE by disabling it.