How to adjust the fan speed on a Razer Blade laptop

| Answer ID: 671

This answer will show you how to adjust the fan speed of your Razer Blade.

Certain Razer Blade models have the option to control fan speed through Razer Synapse. Note that a lower fan speed results in higher temperatures.

Below is the list of Razer Blade models with fan speed control options and the corresponding version of Razer Synapse.

List of Razer Blades with fan control via Razer Synapse

See instructions below

How to set the fan speed in Razer Synapse 4

Note: In Razer Synapse 4, you have the option to manually control the Razer Blade's fan speed in both "Balanced Mode" and "Gaming Mode".

  1. Open Razer Synapse 4.

  2. Go to "PERFORMANCE".

  3. Select your preferred fan speed option under “FAN CONTROL”.

  4. Adjust the fan speed with automatic or fixed settings, or you can also choose to customize it manually.

    Note: The Manual Fan Curve feature is available for the 2025 Razer Blade models onwards.

    Razer Synapse 4 performance tab window

    Here are some additional notes when adjusting the fan speed in Razer Synapse 4:

    • The speed you select will be constantly maintained and no longer be adjusted by the system.
    • Selecting a constant fan speed may result in increased fan noise from your system.
    • These settings will be stored and saved as long as Razer Synapse 4 is running.

You have successfully adjusted the fan speed on your Razer Blade via Razer Synapse 4.

How to set the fan speed in Razer Synapse 2.0

  1. Open Razer Synapse 2.0.

  2. Go to "SYSTEM" > "POWER".

    Razer Synapse 2.0 pane showing system and power tab

  3. Select your preferred fan speed.

    Razer Synapse 2.0 window showing where to select the fan speed

You have successfully adjusted the fan speed on your Razer Blade via Razer Synapse 2.0.

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