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- Switch Type: Hot-Swappable Red Mechanical Switches (3-pin & 5-pin compatible)
- Key Count: Full Size 108 Keys + 4 Extra Hotkeys
- Anti-Ghosting: 104 Keys Anti-Ghosting Support
- Backlighting: RGB with 19 Preset Modes & Music Sync
- Sound Dampening: Includes 3.5mm Sound Absorbing Foam for Quiet Typing
- Keycap Sets: Comes with 2 Sets of Mixed Color Keycaps for Customization
- Ergonomics: Two-Stage Adjustable Feet for Comfortable Typing
- Connectivity: Wired USB Connection
As an experienced reviewer who has tested many PC gaming keyboards, I understand what gamers need for the best performance and comfort. With years of hands-on experience and careful research, I provide honest and clear insights to help you choose the right keyboard. In this review, I will share my detailed thoughts on the Redragon K668 RGB Gaming Keyboard, a full-size mechanical keyboard with hot-swappable red switches and vibrant RGB lighting. You can trust my analysis to guide you through the important features and benefits, so you can make a smart purchase decision with confidence.
Pros & Cons
What We Loved
- ✅ Hot-swappable Red switches for easy customization
- ✅ Full-size 108 keys with 4 extra hotkeys
- ✅ Vibrant RGB lighting with 19 preset modes
- ✅ Ergonomic design with adjustable feet and mixed keycaps
What Could Be Better
- ❌ Red switches may be too quiet for some gamers
- ❌ Wired connection limits mobility
- ❌ No dedicated software for advanced customization
Who Should Buy This
The Redragon K668 RGB Gaming Keyboard is perfect for gamers who want a reliable and affordable mechanical keyboard. If you like colorful lighting and enjoy customizing your setup, this keyboard offers great RGB effects. It is also a good choice for people who prefer a tactile and quiet typing experience, thanks to its red switches and sound-absorbing foams. The extra hotkeys and hot-swappable sockets make it ideal for users who want to upgrade or change keys easily. Plus, with its wired connection, it ensures fast and stable response times, which is important for gaming.
If you are someone who prefers wireless keyboards or needs a very compact keyboard for travel, this model might not be the best fit. Also, if you want very loud, clicky keys, the red switches on this keyboard are quieter and softer, so it may not satisfy that preference. Finally, if you need a keyboard with extra premium features or a bigger size, you might want to consider other options.
Technical Specifications
Key Details
- Brand: Redragon
- Model: K668
- Size: 16.93″ x 5.12″ x 1.73″
- Weight: 1.94 Pounds
- Material: High-quality ABS Plastic with Metal Backplate
- Color Options: Gemini Eclipse
- Special Features: 108 Keys, Wired Mechanical Keyboard, Extra 4 Hotkeys, Sound Absorbing Foams, Upgraded Hot-swappable Socket, Mixed Color Keycaps x 2 Sets, Red Switch
- Warranty: Standard Manufacturer Warranty
Our Testing Experience
First Impressions
When I first unboxed the Redragon K668 RGB Gaming Keyboard, I was impressed by its solid build and the vibrant mixed color keycaps that came in two sets. The keyboard felt sturdy yet not too heavy, and the full-size layout with 108 keys looked very familiar and comfortable right away. I was curious about the hot-swappable red switches because I hadn’t tried that feature before. Setting it up was simple—just plug it in and start typing. The RGB lighting caught my eye immediately, especially the music sync mode, which made my desk feel alive with color.
Daily Use
Using the keyboard every day was a smooth experience. The red switches were quiet and soft, which made typing long emails and gaming sessions easy on my fingers. I liked the extra 4 hotkeys—they were perfect for quick commands and shortcuts, saving me time. The sound-absorbing foam really made a difference, too, reducing the usual clicking noise without making the keys feel mushy. The anti-ghosting feature worked well, even when I pressed multiple keys at once during fast-paced games, with no missed inputs.
Key Features in Action
The hot-swappable sockets were my favorite feature because I could easily change switches without needing special tools, which is great if you want to try different types. The keyboard’s RGB lighting was more than just decoration; the 19 preset modes and adjustable brightness let me customize the look depending on my mood or game. The music sync mode was especially fun during late-night gaming, syncing lights with my music and creating a cool atmosphere. The full-size layout with 108 keys, including the extra hotkeys, made everything feel very practical and user-friendly.
Long-Term Performance
After using the Redragon K668 for several weeks, I found it kept performing consistently without any issues. The keys didn’t get sticky or lose responsiveness, and the hot-swappable feature remained easy to use whenever I wanted to change switches. The RGB lighting still shone bright and smooth, and the sound-absorbing foam held up well, keeping the typing sound pleasant. Overall, it felt like a reliable keyboard that could handle both work and gaming for a long time.
How It Compares
Side-by-Side Comparison
| Feature | Redragon K668 RGB Gaming Keyboard | Redragon K654 RGB Gaming Keyboard | Redragon K718 Wired 104 Keys Gaming Keyboard |
|---|---|---|---|
| Price | See Price | See Price | See Price |
| Quality | Full-size 108 keys with upgraded hot-swappable sockets compatible with 3-pin & 5-pin switches; quiet linear Red switches; includes 3.5mm sound absorbing foam for crisp, noise-free typing; mixed color keycaps in two sets. | Durable weighted aluminum frame with frosted texture and anti-fingerprint coating; 100% hot-swappable switches; PBT mixed ABS keycaps with gradient design offering durability and ergonomic comfort. | 104-key wired keyboard with quiet linear Red switches; 3.5mm sound absorbing foam for clear sound; includes mixed color keycaps; solid build, but no metal frame mentioned. |
| Features | 108 keys layout with 104 anti-ghosting keys plus 4 extra hotkeys; hot-swappable Red switches compatible with almost all switch types; 19 RGB backlight presets with adjustable brightness, speed, and music sync mode. | 104 keys layout; 3.5mm sound absorbing foam; upgraded hot-swappable socket; unique gradient mixed color PBT/ABS keycaps; no RGB modes detailed beyond standard lighting. | 104 keys layout; one-knob control for backlight brightness and media functions; 20 rainbow backlight presets with adjustable brightness, speed, and music sync mode; Red switches with sound absorbing foam. |
| Best For | Gamers and typists seeking a full-size keyboard with extensive hotkey options, versatile hot-swappable switches, and vibrant RGB lighting for immersive gaming. | Users are looking for a robust, aluminum-framed keyboard with durable, ergonomic keycaps and customizable switches for long-lasting performance. | Gamers and media users who prefer simple knob control for quick adjustments and enjoy vibrant rainbow lighting with quiet Red switches. |
In my opinion, this Redragon K668 RGB Gaming Keyboard stands out because it combines a full 108-key layout with extra hotkeys and an upgraded hot-swappable socket supporting nearly all switch types, which offers unmatched customization. It’s quiet. Red switches paired with sound-absorbing foam deliver a clean typing experience, while the extensive RGB presets, including a music sync mode, provide a visually immersive setup. If you’re like me and prefer a versatile, feature-rich keyboard with extra convenience keys and vivid lighting, this is the better choice.
Customer Feedback on Redragon K668 RGB Gaming Keyboard, 108 Keys Wired Mechanical Keyboard w/Extra 4 Hotkeys, Sound Absorbing Foams, Upgraded Hot-swappable Socket, Mixed Color Keycaps x 2 Sets, Red Switch
Overall Satisfaction
Customers generally rate this keyboard very highly, with a strong 4.9/5 seller rating and positive feedback highlighting its value and performance.
Most Praised Features
- Responsive and smooth red mechanical switches are ideal for gaming and typing.
- Upgraded hot-swappable sockets allow easy customization and switch replacement.
- Included extra mixed color keycaps and sound-absorbing foams, enhancing both aesthetics and typing experience.
Common Concerns
- Some users find the keyboard layout slightly bulky for compact desk setups.
- A few customers mention that software customization can be less intuitive compared to other brands.
Who Loves It Most
Gamers and mechanical keyboard enthusiasts who value customization and tactile performance appreciate this keyboard the most, especially those looking for a reliable, affordable RGB mechanical option.
Is It Worth the Price?
Price Analysis
At $49.99, the Redragon K668 RGB offers a highly competitive price point compared to other full-size mechanical keyboards with similar features. It falls into the budget-friendly category without sacrificing essential gaming and typing quality.
Value Features
- Hot-Swappable Red Switches – Allows easy customization and switch replacement, extending the keyboard’s lifespan and enhancing user experience.
- Full Size 108 Keys Layout – Includes anti-ghosting for 104 keys plus 4 extra hotkeys, providing practicality for gamers and typists alike.
- Vibrant RGB Lighting – Offers 19 preset modes and music sync, adding aesthetic appeal and immersive gaming ambiance.
- Sound Absorbing Foam – Delivers quieter and clearer keystrokes, improving comfort during extended use without needing extra accessories.
Vs. Competitors
Compared to similar mechanical keyboards in the sub-$50 range, the K668 stands out with its hot-swappable sockets and extra sound-absorbing foam, features often reserved for higher-priced models. It offers more customization and quality for the price.
Final Verdict
The Redragon K668 RGB is an excellent value-for-money choice, providing robust features and customization typically found in more expensive keyboards. It’s a smart buy for gamers and typists seeking quality on a budget.
Frequently Asked Questions
What makes the Redragon K668 RGB Gaming Keyboard stand out?
The Redragon K668 RGB Gaming Keyboard delivers fast red switches, hot-swappable sockets, and vibrant RGB lighting for better gaming control.
Does the Redragon K668 RGB Gaming Keyboard support hot-swapping?
Yes, the Redragon K668 RGB Gaming Keyboard allows you to hot-swap switches easily with its upgraded socket design.
Do the sound-absorbing foams improve the typing experience?
Yes, the Redragon K668 RGB Gaming Keyboard uses sound-absorbing foams to reduce noise and create a smoother, softer typing feel.
Can I change the keycaps on the Redragon K668 RGB Gaming Keyboard?
Yes, the Redragon K668 RGB Gaming Keyboard includes two sets of mixed-color keycaps, and you can swap them freely.
Is the Redragon K668 RGB Gaming Keyboard good for gaming?
Yes, the Redragon K668 RGB Gaming Keyboard offers quick response, extra hotkeys, and durable red switches, making it great for competitive gaming.

































