What Is a Good Read Write Speed for Video Editing?

When it comes to video editing, having a fast read/write speed is crucial for a smooth and efficient workflow. But what exactly is a good read/write speed, and how do you know if your computer meets the requirements?

What is Read/Write Speed?
Read/write speed refers to how quickly data can be read from or written to a storage device, such as a hard drive or solid-state drive (SSD). Video editing requires large amounts of data to be transferred quickly, so having a high read/write speed is essential.

Why is Read/Write Speed Important for Video Editing?
Video files are typically very large and require a lot of bandwidth to move around. When you’re working on a video project, you’ll be constantly transferring data between your storage device and your computer’s RAM. If your read/write speed is too slow, you may experience lag or dropped frames while editing.

What is Considered a Good Read/Write Speed?

The answer to this question depends on several factors such as the resolution of the video you’re working with, the number of tracks in your project, and the length of your footage. However, as a general rule of thumb:

  • For SD (standard definition) video: A minimum read/write speed of 20 MB/s
  • For HD (high definition) video: A minimum read/write speed of 50 MB/s
  • For 4K video: A minimum read/write speed of 100 MB/s


These speeds are just guidelines – your specific needs may vary depending on the complexity of your project.

How Do I Check My Computer’s Read/Write Speed?

There are several tools available that can help you measure your computer’s read/write speeds. One popular option is CrystalDiskMark, a free utility that can test the speed of your hard drive or SSD.

Once you’ve installed CrystalDiskMark, simply run the program and select your storage device from the drop-down menu. Then click “All” to test both read and write speeds. The results will show you the sequential read/write speeds in MB/s.

What Can I Do to Improve My Read/Write Speed?

If you find that your computer’s read/write speed is too slow for video editing, there are several things you can do to improve it:

  • Upgrade to an SSD: Solid-state drives are much faster than traditional hard drives and can greatly improve read/write speeds.
  • Add more RAM: Increasing your computer’s RAM can help reduce the amount of data that needs to be transferred between your storage device and RAM.
  • Use an external hard drive: If your computer’s internal storage isn’t fast enough, consider using an external hard drive with a higher read/write speed.


In conclusion, having a good read/write speed is essential for video editing, and it’s important to know what speeds are necessary for different types of video projects. By checking your computer’s read/write speeds and taking steps to improve them if necessary, you can ensure a smooth and efficient editing workflow.