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what is the best paging file size for windows 10? – All things you need to know

The “Pagefile.sys” or “swap files,” which is officially called “Pagefile.sys”, is an important component of Windows, including Windows 10. This hidden system file acts as virtual memory if your physical RAM runs out. The optimal size of the paging files can improve your computer’s performance. The best size depends on a variety of factors.

Understanding Pagefile.sys

What is a Paging File (Page File)?

Windows uses a paging file, a section of your hard drive dedicated to virtual memory extensions for your RAM. The operating system will move less-used or inactive memory pages to this file when the RAM is full, freeing RAM for active processes.

The importance of page file size

It is important to consider the size of the page file, as it can affect the performance of your computer. You may experience a slowdown or crash if the file size is too small. Your system will run out of memory. If it’s large enough, it could consume hard drive space and not offer much performance improvement.

Windows 10: How to determine the best size for your Paging files

When it comes to paging files, there is no one size fits all solution. The size of the paging file depends on how much RAM your system has, what type of tasks it performs, and how many hard disk spaces you have.

System Managed Size

Windows 10 manages automatically the size of the paging files. This setting is usually sufficient for most users. In general, the system reserves a pagefile that is 1.5 to 3x larger than your RAM. This setting is suitable for most users, who do not use memory-intensive programs.

Custom Size

A larger page file can be useful for users who run memory-intensive tasks frequently, such as 3D rendering or video editing. In such cases, it is recommended that you set the initial page file size at 1.5 times your RAM size and increase the maximum to 4 times.

Follow these steps to manually change the size:

  1. Press Windows + X and select System to open the System Properties dialog box.
  2. Click on “Advanced System Settings”.
  3. Click on the ‘Settings” link under Performance.
  4. Select the Advanced tab in the Performance Options dialog.
  5. Click on “Change” under Virtual Memory.
  6. Uncheck the ‘Automatically Manage paging File Size for All Drives’.
  7. Enter your initial and maximum size in the ‘Custom Size’ box.

Considering Disk Space

A larger paging files will take up more space on your hard drive. If your hard drive is limited, then you may need to reduce the size. Reduced page file sizes can affect system performance. This is especially true if you use memory-intensive software.


Windows 10’s best paging files size depends on your specific system needs and tasks. The system-managed file size is ideal for the majority of users. However, those who perform memory-intensive tasks may benefit from a larger file. Keep in mind that increasing page file size will use more space on your hard drive. The key is to strike a balance between storage and performance.

Remember that upgrading the physical RAM is the best way to increase system performance. This is especially true if you work frequently with memory-intensive applications. The paging files are a good safety net, but they don’t match the speed of RAM.


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