CM Storm SGK-4021-GKCM1 - Keyboard COOLER MASTER - Free user manual and instructions

Product Type	Gaming Keyboard
Brand	Cooler Master
Model	CM Storm SGK-4021-GKCM1
Dimensions (L x W x H)	450 mm x 150 mm x 30 mm
Weight	1.2 kg
Power Source	USB bus power (5V, 500mA)
Connectivity	USB 2.0 Type-A, detachable cable (1.8 m)
Switch Type	Mechanical (Cherry MX Red equivalent)
Key Layout	QWERTY (US/International)
Backlight	RGB per-key backlighting
Polling Rate	1000 Hz
Key Rollover	Full N-key rollover (NKRO)
Wrist Rest	Detachable (magnetic or included)
Compatibility	Windows 7/8/10/11, macOS, Linux
Software	Cooler Master Portal for key mapping and lighting
Audio Pass-Through	None (no headphone/mic jacks)
USB Pass-Through	Yes (one USB 2.0 port)
Construction Material	ABS plastic case, steel plate
Keycaps	Standard ABS, laser etched
Cable Management	Three-channel routing underneath
Cleaning & Maintenance	Remove keycaps, clean with isopropyl alcohol and soft cloth
Safety Precautions	Avoid liquids; unplug before cleaning; keep away from heat sources
Spare Parts Availability	Cable, keycaps, wrist rest (contact support)
Repair Difficulty	Moderate (soldering required for switch replacement)
Warranty	2 years (depending on region)

Frequently Asked Questions - CM Storm SGK-4021-GKCM1 COOLER MASTER

How do I clean my CM Storm SGK-4021-GKCM1 keyboard?

To clean your keyboard, first unplug it. Remove the keycaps using a keycap puller. Wipe the exposed plate with a slightly damp microfiber cloth. Clean keycaps with isopropyl alcohol and let them dry completely before reattaching.

Can I replace the mechanical switches?

Yes, the keyboard uses Cherry MX compatible switches that are soldered to the PCB. Switch replacement requires desoldering and resoldering; if you are not experienced, consider professional help or contact Cooler Master support.

Does this keyboard have onboard memory to store profiles?

Yes, the keyboard features onboard memory that can store up to 4 custom profiles, including key remaps, lighting effects, and macros. Profiles can be configured using the Cooler Master Portal software.

Is the keyboard compatible with macOS?

The keyboard works with macOS via USB, but some advanced software features (e.g., lighting customization) may require Windows. Basic typing and media keys are supported on macOS.

What do I do if a key stops working?

First, try reseating the keycap and checking for debris. If the issue persists, test the switch using software (e.g., keyboard tester). If faulty, the switch may need to be replaced. Contact Cooler Master support for repair options.

How do I change the RGB lighting effects?

Download the Cooler Master Portal software. Connect the keyboard, launch the app, and select your device. You can choose from preset effects (rainbow, wave, breathing) or create custom static or dynamic lighting per key.

Is the USB pass-through port powered?

Yes, the USB pass-through port provides a USB 2.0 connection with up to 500mA current. It is suitable for low-power devices like a mouse or USB drive. High-power devices may not work reliably.

Can I use the keyboard with a console like PlayStation or Xbox?

The keyboard works on PS4/PS5 and Xbox One/Series X|S via USB, but only for typing in chat or basic navigation. Full gaming functionality (e.g., key mapping) is not supported on consoles.

How long is the warranty period?

The standard warranty for Cooler Master keyboards is 2 years from the purchase date. Check your region's warranty terms or contact support for details. Proof of purchase is required for service.

What should I do if the software is not detecting my keyboard?

Ensure the keyboard is connected directly to a USB port (avoid hubs). Try a different USB cable if possible. Update or reinstall the Cooler Master Portal software. Restart your computer and replug the keyboard. If still not detected, contact support.

USER MANUAL CM Storm SGK-4021-GKCM1 COOLER MASTER

CM Storm Quick Fire TK Stealth

Thank you for purchasing the CM Storm Quick Fire TK Stealth!

A rugged gaming keyboard using the highest grade gold plated mechanical switches (CHERRY MX) rated for over 50 million keystrokes.

Using Your CM Storm Quick Fire TK Stealth Keyboard

Accessing Advanced Functions

Media Keys

In FN-Lock mode F5-F11 act as media keys and let you control your favorite media player as well as your speaker/headset volume.

F5 F6 F7 F8 F9 F10 F11

Windows Key Lock

In FN-Lock mode F12 key lets you disable the Windows keys so you don't get kicked out of a gaming session by accident.

Switching between full N key and 6 key rollover

In FN-Lock mode pressing the ESC and N key at the same time switches the Keyboard to NKRO mode. Pressing the ESC and 6 key switches the Keyboard to 6KRO mode.

6 ^ + ESC 6IN = 6KRO N + ESC 6IN = Full NKRO

- NKRO mode is not supported on MACs and prevents some PCs from booting

Package Content:

• Quick Fire TK Stealth Mechanical Gaming Keyboard
• User Guide
• Keycap puller
• 1.8 m braided USB Cable

System Requirements

PC or PC compatible device with a USB port

Windows® XP/Vista/7/8

Warranty

2 years limited manufacturer warranty

Damages as a result of removing keycaps improperly are not covered by the warranty

Technical Support

Free technical support and FAQs can be found on www.cmstorm.com

For free live-chat support visit www.coolermaster.com/livehelp