GXT 840 Myra Gaming Keyboard


The product image is for demonstration purposes only. Various versions are available which may differ from this representation.

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Gaming keyboard with 3 color LED illumination and 5 programmable macro keys

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Key features

  • Full size layout with 5 extra programmable macro keys
  • 3 Color LED illumination with adjustable brightness
  • Anti-Ghosting: Up to 8 simultaneous key pressings
  • Game mode switch; directly disable windows key.
  • 12 direct access media keys
  • 1.8m Braided cable

Unique for everyone

Choose between red, blue and purple to match this keyboard to your gaming set-up and program the 5 macro keys for further personalization. Whether you’re taking out your virtual racing car for a spin, or commanding an army towards crucial battlefields, this keyboard is your companion towards next level gaming.

Full-size accuracy

The keyboard has a full-size layout meaning that it is optimally designed for fast key entry. The GXT 840 has anti-ghosting technology to ensure you can game fast and accurately: it can register up to 8 key presses simultaneously. The Myra is designed for ultimate ergonomic comfort during those long gaming sessions. It is your ammunition to start your eSports career.

Press to control

The Myra features 12 direct access media keys. The control of your media is now at your fingertips. You can even play and pause music, start a search or change pages directly with the dedicated keys on the keyboard. The special game mode switch ensures that you will not return to your desktop accidentally when hitting the Windows key since it is disabled during your gaming sessions. You will stay focused the entire way to the top.


Key technology membrane
Height of main product (in mm) 34 mm
Width of main product (in mm) 213 mm
Depth of main product (in mm) 513 mm
Weight of main unit 144 g
Full Size keyboard yes
Ergonomic design no
Connection type wired
Bluetooth no
USB version 2.0
Connector type USB
Spill-proof no
Silent keys no
On-board memory yes
Wrist support yes
Software included no
Designed for gaming yes
Gaming mode yes
Backlight yes
Backlight colours Red Purple Blue
Key illumination yes
Key colours Red Purple Blue
Keyboard layout QWERTY
Power source USB
Compatible Device Types pc, laptop, gaming console
Compatible Consoles PS4, Xbox One
Compatible Software Platforms Windows, Mac OS, Chrome OS
Numeric Key Pad yes
Trackpad no
Media keys 12
Macro keys yes
Programmable keys yes
Special keys FN keys
Number of keys 110
Anti-Ghosting Up to 8 simultaneous key pressings
Macro programming yes
Indicators Caps-lock, Num-lock, Scroll-lock

Extra information

General Item number:
EAN code:
1   year
Package contents Gaming keyboard User guide Gaming sticker
System requirements PC / Laptop with USB port Windows 10, 8, or 7

Other versions

Name Item number EAN code
GXT 840 Myra Gaming Keyboard DE 21974 8713439219746
GXT 840 Myra Gaming Keyboard FR 21975 8713439219753
GXT 840 Myra Gaming Keyboard IT 21976 8713439219760
GXT 840 Myra Gaming Keyboard ES 21977 8713439219777
GXT 840 Myra Gaming Keyboard HU 22537 8713439225372
GXT 840 Myra Gaming Keyboard CZ/SK 22538 8713439225389
GXT 840 Myra Gaming Keyboard UK 22682 8713439226829
GXT 840 Myra Gaming Keyboard TR 22771 8713439227710
GXT 840 Myra Gaming Keyboard CH 23005 8713439230055
GXT 840 Myra Gaming Keyboard BE 23487 8713439234879




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Frequently Asked Questions

Installation and configuration

I can't find the driver/software? Where is it?

This product has no software.
You program the keyboard via the keyboard memory.
Instructions can be found in the manual.


How do I change the colour from breathing (changing) to normal and vice versa?

Press FN + the key marked with the bulb surrounded by the arrows (next to the AltGr key).

Consult the manual (available in the downloads section) for more information on the keys and the lighting options.

Solving problems

My keys act strangely, as if I have pressed the keys 100x in a second (i.e. spammed the keys). What has happened?

Perhaps you have accidentally activated the rapid fire function by pressing FN + Q.
If you press FN + Q again, it will be deactivated.

The WASD keys are swapped with the arrow keys

If you accidentally swapped the keys, try the following to swap them back.
- FN + W
- ALT + W


Note: on Azerty keyboards: replace the W with the Z

I get the wrong letters and/or symbols when typing on my computer.

Set the correct language as explained in the keyboard settings page

Sometimes letters are missing when typing.

  • Clean your keyboard from dust and crumbles. 

Where is your service center? Or where can I send my product to be repaired?

Unfortunately, we do not have service centers to repair products.
A defective product should be replaced by your point of purchase during the warranty period.

My product is faulty. What do I do?

We offer a 'return to retailer' warranty on our products. In case of a defect, you can return the product to your retailer with failure description, proof of purchase and all accessories. During the warranty period you will receive a replacement product from the retailer if available. For full warranty conditions you can consult: https://www.trust.com/support/warranty


Can I use this keyboard/mouse on PS4?

Although our keyboards and mice are designed for use with computers, they can be used on PS4. However please note, most PS4 games do not support a keyboard and mouse.

Can I use this keyboard/mouse on Xbox One?

You can use our mice and keyboards on the Xbox.

Please note that Xbox supports the use of mouse and keyboard in some games and apps, but it doesn’t work for every game or app. The game or app publisher must enable this feature for their content.


Warranty conditions
  • Trust offers a warranty to the original purchaser from an authorized retailer.
  • Your Trust product is guaranteed under the terms and conditions of this warranty against manufacturing defects for a period of one (1) year* from the date of original purchase, if purchased from an official retailer.
    • *In Europe, there is a statutory minimum warranty period of 2 years on every product we sell.
  • In case of defect, return the product to your retailer with failure description, valid proof of purchase and all accessories.
  • During the warranty period you will receive a replacement product from the retailer if available.
  • Warranty will be void in cases of opened products, physical damage, misuse, modification, repair by unauthorised persons, carelessness and using the product for other purpose than its intended use.
  • Exclusions of warranty:
    • Damage caused by accidents or disasters, such as fire, flood, earthquake, war, vandalism or theft.
    • Incompatibility with other hardware/software not defined as minimum system requirements.
    • Accessories such as batteries and fuses.
  • In no event shall the manufacturer be liable for any consequential or incidental damages, including any loss of business profits or any other commercial damages, arising out of the use of its product.


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*Prices stated by Trust are non-binding average recommended retail prices including VAT and are subject to change without prior notice.