1. Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your SteelSeries Apex Pro TKL Gen 3 gaming keyboard. Please read this guide thoroughly to ensure optimal performance and longevity of your device.

Figure 1: SteelSeries Apex Pro TKL Gen 3 Gaming Keyboard with RGB lighting and magnetic wrist rest.
2. Setup
2.1 Package Contents
- SteelSeries Apex Pro TKL Gen 3 Gaming Keyboard
- Detachable USB-C to USB-A Cable
- Magnetic Wrist Rest
- Quick Start Guide (this document)
2.2 Connecting the Keyboard
- Connect the detachable USB-C end of the cable to the USB-C port on the keyboard.
- Connect the USB-A end of the cable to an available USB port on your computer.
- The keyboard will automatically power on and begin the driver installation process.
2.3 Software Installation (SteelSeries GG)
For full customization and access to advanced features, install the SteelSeries GG software suite.
- Visit the official SteelSeries website: steelseries.com/gg
- Download and run the SteelSeries GG installer.
- Follow the on-screen instructions to complete the installation.
- Once installed, launch the SteelSeries GG application to configure your keyboard settings, including RGB lighting, key bindings, and actuation points.
3. Key Features and Operation
3.1 OmniPoint 3.0 HyperMagnetic Switches
The Apex Pro TKL Gen 3 features OmniPoint 3.0 switches, offering adjustable actuation and rapid response times.
- Adjustable Actuation: Customize the keypress distance required to register an input from 0.1mm to 4.0mm. This allows for precise control in gaming or comfortable typing. Adjustments can be made via the OLED Smart Display or SteelSeries GG software.
- Rapid Trigger: This feature allows keys to reset as soon as they begin to rise, enabling faster repeated keystrokes and more responsive movement in games.
- Protection Mode: A SteelSeries exclusive feature that reduces the sensitivity of keys surrounding your current press, minimizing accidental inputs.
- Rapid Tap/SOCD: Prioritizes the most recent key press in a selected pair without requiring the release of the previous key, enhancing responsiveness for specific gaming maneuvers.

Figure 2: Illustration of adjustable actuation points on OmniPoint 3.0 switches.

Figure 3: OLED Smart Display showing Rapid Trigger, Actuation, and Rapid Tap settings.
3.2 OLED Smart Display
The integrated OLED Smart Display serves as a command center for on-the-fly adjustments and information. It allows you to:
- Adjust actuation settings.
- Control media playback (Play/Pause/Skip).
- View game information (with compatible SteelSeries GG apps).
- Switch profiles and settings without minimizing your game.
3.3 SteelSeries GG Software
The SteelSeries GG software unlocks the full potential of your keyboard, providing extensive customization options:
- Engine: Customize RGB lighting effects, create key bindings, and set up advanced macros.
- QuickSet: Access curated, game-ready presets for popular titles, allowing for quick optimization of keyboard settings.
- Sonar: (If applicable with other SteelSeries devices) Manage audio settings.

Figure 4: SteelSeries GG QuickSet interface for game-ready presets.
3.4 Build Quality and Ergonomics
The Apex Pro TKL Gen 3 is constructed with premium materials for durability and comfort.
- Aircraft-Grade Aluminum Top Plate: Provides structural rigidity and a premium feel.
- Double Shot PBT Keycaps: Engineered for durability and resistance to wear, ensuring legends remain clear over time.
- Enhanced Acoustics: Features triple-layer sound-dampening foam and per-key lubrication for a smoother and quieter typing experience.
- Ergonomic Tilt Legs: Three adjustable tilt options allow you to find a comfortable typing angle.
- Magnetic Wrist Rest: Provides comfortable support for your wrists during extended use.

Figure 5: Internal construction highlighting sound dampening and lubrication.

Figure 6: Keyboard dimensions and feature overview.
4. Maintenance
4.1 Cleaning the Keyboard
- Disconnect the keyboard from your computer before cleaning.
- Use a can of compressed air to remove dust and debris from between the keycaps.
- Wipe the keycaps and chassis with a soft, lint-free cloth lightly dampened with water or a mild, non-abrasive cleaning solution. Avoid excessive moisture.
- Do not spray cleaning solutions directly onto the keyboard.
4.2 General Care
- Avoid exposing the keyboard to extreme temperatures, humidity, or direct sunlight.
- Do not spill liquids on the keyboard. In case of a spill, immediately disconnect it and allow it to dry completely before reconnecting.
- Handle the USB-C cable carefully to prevent damage to the connector.
5. Troubleshooting
5.1 Keyboard Not Responding
- Ensure the USB-C cable is securely connected to both the keyboard and your computer.
- Try connecting the keyboard to a different USB port on your computer.
- Restart your computer.
- Check if the SteelSeries GG software is running and updated to the latest version.
5.2 RGB Lighting Issues
- Verify that RGB lighting is enabled in the SteelSeries GG software.
- Check for conflicting software that might be controlling RGB lighting.
- Update your SteelSeries GG software and keyboard firmware.
5.3 Actuation or Rapid Trigger Not Working as Expected
- Ensure the desired actuation point is set correctly via the OLED display or SteelSeries GG software.
- Confirm that Rapid Trigger and Protection Mode settings are configured as intended in the SteelSeries GG software.
- Perform a factory reset of the keyboard if issues persist (refer to SteelSeries support for instructions).
6. Specifications
| Feature | Detail |
|---|---|
| Model Name | Apex Pro TKL Gen 3 |
| Switches | OmniPoint 3.0 HyperMagnetic Adjustable Switches |
| Actuation Range | 0.1mm to 4.0mm (40 levels) |
| Response Time | 11x quicker response time (compared to traditional mechanical keyboards) |
| Actuation Speed | 20x faster actuation (compared to traditional mechanical keyboards) |
| Keycaps | Double Shot PBT Keycaps |
| Top Plate Material | Aircraft-Grade Aluminum |
| Display | OLED Smart Display |
| Connectivity | USB-C (Wired) |
| Color | Black |
| Dimensions (LxWxH) | 13.98 x 13.98 x 1.7 inches |
| Item Weight | 3.52 pounds |
| Compatible Devices | PC |
7. Warranty and Support
For warranty information, technical support, and additional resources, please visit the official SteelSeries support website.
SteelSeries Support: steelseries.com/support
Please retain your proof of purchase for warranty claims.



