







Product Overview
Key Features
- Mechanical keys with 1000 Hz polling
- RGB per key lighting with custom effects
- 26 key rollover and anti ghosting
- USB 2.0 and USB passthrough
- Programmable F1 to F12 and macros
Key Specifications
- Brand:
- Logitech
- Model Number:
- 920-008949
- Key Switches:
- Mechanical
- Polling Rate:
- 1000 Hz (1 ms report rate)
- Connections:
- USB 2.0, USB passthrough
Computers & Tablets
- Additional Buttons / Keys:
- FN keys, programmable F1–F12 keys, media controls, game mode key
Connections
- Bluetooth:
- No
Lighting
- Lighting:
- RGB per-key backlighting, LIGHTSYNC technology, customisable lighting effects
General Information
- Type:
- Wired Keyboard
- Colour:
- Black
- Supported Operating Systems:
- Windows 7, Windows 8, Windows 8.1, Windows 10
- Additional Features:
- 26-key rollover, anti-ghosting, programmable macros, aircraft-grade aluminium alloy chassis, onboard RGB profiles, dedicated game mode, USB passthrough
- What's In The Box:
- Logitech G512 Gaming Keyboard, user documentation
Warranty
- Manufacturer's Warranty:
- 1 Year
Computers & Tablets
- Additional Buttons / Keys:
- FN keys, programmable F1–F12 keys, media controls, game mode key
Lighting
- Lighting:
- RGB per-key backlighting, LIGHTSYNC technology, customisable lighting effects
Warranty
- Manufacturer's Warranty:
- 1 Year
Box Dimensions
- Box Height (mm):
- 0
- Box Width (mm):
- 42
- Box Depth (mm):
- 179
- Box Weight (kg):
- 1
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Product Reviews of Logitech Carbon RGB Mechanical Gaming Keyboard (GX Blue)

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At a glance
The Logitech Carbon RGB Mechanical Gaming Keyboard (GX Blue) is a wired full-size keyboard built for PC gamers who want clicky mechanical feedback, reliable USB performance and custom RGB lighting. Its strong points are responsive input, programmable function keys and a durable aluminium alloy chassis. One trade-off is that the GX Blue switches are louder than quieter gaming or office-focused alternatives.
What it’s great for
- PC Gaming
- Competitive Gaming
- RGB Desk Setups
- Macro Shortcuts
- General Typing
Where it works best
- Home Gaming Setup
- Dedicated Desk Setup
- Streaming Room
- Study
- Home Office
Who it’s for
- PC Gamer
- Enthusiast Gamer
- Desktop User
- RGB Customisation Fan
- Typist Who Likes Clicky Keys
Things to consider
The GX Blue switches deliver a tactile, clicky feel, but they are noisier than quieter linear or low-profile keyboards and may be less suitable for shared workspaces.
Work vs gaming suitability
Gaming-first, but still capable for general desktop work and typing if you do not mind a louder switch sound
Ergonomics score
7/10 - Full-size layout and solid build suit desk use well, but there is no mention of wrist support or ergonomic shaping.
Multi-device compatibility
Best suited to wired USB desktop or laptop setups, especially PC gaming systems
Portability rating
4/10 - Best kept on a desk due to its full-size wired design and aluminium alloy construction.
Noise level vs category
Higher than average - GX Blue mechanical switches have an audible click that is more noticeable than quieter switch types.
Key benefits
- GX Blue mechanical switches: Delivers tactile, clicky keypress feedback that suits gamers and typists who prefer a more pronounced key feel.
- 1000 Hz polling rate: Sends input updates up to 1000 times per second for responsive command registration during fast gameplay.
- Per-key RGB backlighting: Lets you customise lighting by key for game profiles, visibility and a more personalised setup.
- Programmable F1-F12 keys: Makes it easier to assign macros and shortcuts for quicker access to in-game or desktop actions.
- USB passthrough: Keeps an extra USB port within easy reach on the desk for convenient accessory connection.
- Aircraft-grade aluminium alloy chassis: Adds rigidity and a more solid feel for long-term desktop use.
- 26-key rollover with anti-ghosting: Helps register multiple simultaneous key presses more accurately in complex gaming inputs.
- Dedicated media controls and game mode key: Gives faster access to playback and gaming-focused functions without leaving the keyboard.
Q: Do GX Blue switches sound loud and feel clicky when typing?
A: Yes. GX Blue switches have a clicky, tactile action, so key presses feel and sound more pronounced than quieter switch types. That suits buyers who want clear feedback, but it is less suited to shared desks or late-night use.
Q: Can the USB passthrough port handle a mouse or USB drive?
A: Yes. The USB passthrough keeps an extra port within reach for desk accessories such as a mouse, headset receiver or USB drive. It is mainly a convenience connection, not a basis for assuming broad charging support for larger devices.
Q: Will this keyboard work without installing Logitech software first?
A: Yes. Logitech Carbon RGB Mechanical Gaming Keyboard works as a wired USB keyboard for normal typing and play without extra software. Logitech software is needed if you want to customise LIGHTSYNC lighting or program the F1 to F12 keys.
Q: Is the Logitech G512 Carbon a full-size keyboard layout?
A: Yes. Logitech G512 Carbon is a full keyboard layout, so it suits setups that need a number pad as well as the main keys and function row. It takes more desk space than compact layouts, which matters if your mouse area is tight.
Q: Can it register complex key combinations during fast gameplay?
A: Yes. Logitech Carbon RGB Mechanical Gaming Keyboard supports 26-key rollover with anti-ghosting, so multiple simultaneous presses are more likely to register cleanly. That matters most in games or macros using several keys at once, not simple typing alone.
Q: Does this keyboard suit console gaming as well as PC?
A: It is mainly aimed at PC gaming setups and connects by wired USB. Basic keyboard input may work on some consoles or other devices that accept USB keyboards, but programmable keys, lighting control and profile setup are centred on PC use.