Steam Support
Setting Client Rates (Limit Download Speed) in Steam
What are the best client rates for my internet connection?

Note:

Client rate settings are useful in troubleshooting lag and poor multiplayer performance. Please see the Troubleshooting Lag topic for further recommendations.

Steam Download Speed

If you notice connection problems during Steam downloads, or want to limit how much bandwidth Steam can use, you can find these settings by doing the following.

  1. Go to the upper left in the Steam client and select Steam > Settings from the drop down menu
  2. Select the Downloads tab from the window that appears

  3. Here you will find different download settings for Steam including the Limit Download Speed setting. If you enable it you can set the limit you want.

    Note: The rates listed here are in kilobytes and megabytes a second, while most Internet connections are rated in bits per second.

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