Cooler Master SGB-3000-KKMF1-US
Cooler Master Devastator 3 Gaming Keyboard and Mouse Combo (Model: SGB-3000-KKMF1-US) User Manual
Introduction
The Cooler Master Devastator 3 Combo is a gaming keyboard and mouse set designed for enhanced performance and user experience. This combo features an ergonomic, ultra-flat mouse with adjustable DPI settings and a high-precision scroll wheel. The low-profile keyboard includes laser-etched, grip-coated keys and a custom membrane design for improved tactile feedback. Both devices offer 7 different LED color options for customization.
Setup Instructions
Follow these steps to set up your Cooler Master Devastator 3 Gaming Keyboard and Mouse Combo:
- Unpack the Combo: Carefully remove the keyboard and mouse from their packaging. Ensure all components are present.
- Connect the Keyboard: Plug the USB connector of the keyboard into an available USB 2.0 port on your computer.
- Connect the Mouse: Plug the USB connector of the mouse into another available USB 2.0 port on your computer.
- Driver Installation: Your operating system (Windows) should automatically detect and install the necessary drivers. No additional software installation is typically required for basic functionality.
- Placement: Position the keyboard and mouse comfortably on your desk for optimal use.

Image: A user interacting with the Cooler Master Devastator 3 keyboard and mouse, demonstrating a typical setup.
Operating Instructions
Keyboard Features
- LED Backlight Control: The keyboard features 7 color LED backlighting. To cycle through the colors (Red, Blue, Green, Yellow, Purple, Light Blue, White) or turn the backlighting off, press the dedicated LED button (often marked with a sun icon or similar) located near the right Alt key.
- Media Keys: Utilize the 6 dedicated multimedia keys for quick access to functions such as play/pause, stop, previous track, next track, volume up, and volume down. These are typically located above the function keys (F1-F12).
- Keycap Design: The keys are laser-etched and grip-coated for durability and enhanced tactile feel. The custom membrane design provides improved feedback during typing and gaming.
- Polling Rate: The keyboard operates at a polling rate of 125Hz.

Image: The keyboard and mouse displaying various LED backlight colors, illustrating the 7-color mode feature.

Image: A detailed view of the Mem-chanical key switch, highlighting its transparent plunger, steady support housing, and tactile dome foundation.

Image: An overview of the keyboard and mouse, pointing out the dedicated media keys, backlight control, volume control, DPI button, and forward/backward mouse buttons.
Mouse Features
- DPI Settings: The mouse features an Avago 3050 Optical Gaming Sensor with 4 adjustable DPI settings: 800, 1200, 1800, and 2800. Use the dedicated DPI button (usually located behind the scroll wheel) to cycle through these settings.
- Ergonomic Design: The mouse is designed for comfortable use during extended gaming sessions.
- High-Precision Mouse Wheel: The mouse wheel provides accurate scrolling and clicking.
- Anti-Slide Rubber Pads: The bottom of the mouse is equipped with anti-slide rubber pads to ensure stable movement.
- LED Backlight Control: Similar to the keyboard, the mouse also features LED backlighting. A dedicated LED button on the mouse allows you to change colors or turn the lighting off.

Image: A close-up showing the laser-etched keycaps of the keyboard and the anti-slide rubber pads on the mouse for enhanced durability and functionality.
Product Videos
Video: An overview of the Cooler Master Devastator 3 Gaming Keyboard & Mouse Combo, showcasing its features and design. This video demonstrates the product's aesthetic and functional aspects.
Maintenance
To ensure the longevity and optimal performance of your Cooler Master Devastator 3 Combo, follow these maintenance guidelines:
- Cleaning the Keyboard:
- Disconnect the keyboard from your computer before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution to wipe down the keycaps and surfaces.
- For dust and debris between keys, use compressed air.
- Avoid spraying liquids directly onto the keyboard.
- Cleaning the Mouse:
- Disconnect the mouse from your computer.
- Wipe the mouse surface with a soft, lint-free cloth.
- Clean the optical sensor area gently with a cotton swab if necessary.
- Storage: When not in use for extended periods, store the combo in a dry, dust-free environment.
- Avoid Extreme Conditions: Do not expose the devices to extreme temperatures, humidity, or direct sunlight.
Troubleshooting
If you encounter issues with your Cooler Master Devastator 3 Combo, refer to the following common solutions:
| Problem | Possible Solution |
|---|---|
| Keyboard/Mouse not responding |
|
| LED lights not working or incorrect color |
|
| Mouse cursor erratic or unresponsive |
|
| Keys sticking or not registering |
|
Specifications
| Feature | Detail |
|---|---|
| Brand | Cooler Master |
| Model Number | SGB-3000-KKMF1-US |
| Connectivity Technology | USB 1.1/USB 2.0 |
| Compatible Devices | Personal Computer |
| Compatible Operating System | Windows |
| Keyboard Type | Mem-chanical (Tactile Feel) |
| Keyboard Layout | QWERTY (104 keys) |
| Keyboard Backlighting | 7 Color LED (Red, Blue, Green, Yellow, Purple, Light Blue, White) |
| Keyboard Polling Rate | 125Hz |
| Mouse Sensor | Avago 3050 Optical Gaming Sensor |
| Mouse DPI Settings | 800, 1200, 1800, 2800 |
| Hand Orientation | Ambidextrous |
| Item Weight | 2.3 pounds |
Warranty and Support
The Cooler Master Devastator 3 Gaming Keyboard and Mouse Combo comes with a 2-year warranty from the date of purchase.
For further assistance, technical support, or to download the official user manual in PDF format, please visit the official Cooler Master support website or refer to the document link below:
- Official User Manual (PDF): Download PDF
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.