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HMX KD200 vs. Gazzew U4T

An in-depth look at the HMX KD200 and the Gazzew U4T switches—which one is the best fit for you?

Overview

When choosing a mechanical keyboard switch, the type of feedback and sound profile each option offers can significantly enhance your typing experience. The HMX KD200 switch stands out as the loudest member of its family, delivering a uniquely clacky sound that appeals to those who enjoy an audible response while typing. This linear switch provides a smooth keystroke with no tactile bump, making it ideal for gamers seeking rapid key presses without distraction. In contrast, the Gazzew U4T presents a tactile experience characterized by its bassy 'thock' sound and pronounced tactile feedback, allowing typists to enjoy a satisfying auditory connection with each keystroke. This switch is perfect for those who appreciate a more interactive typing sensation, blending the elements of sound and feeling seamlessly. While the KD200 caters to gamers and those who favor speed, the U4T is tailored to users who cherish feedback and sound in their typing experience. However, let’s dive in a bit deeper beyond generalities so you can best decide on the best switch for you.

By the numbers

Technical specifications

Actuation force

45g

Actuation force

N/A

Bottom-out force

50g

Bottom-out force

65g

Pre-travel

2.00 mm

Pre-travel

N/A

Total travel

3.50 mm

Total travel

4.00 mm

Factory lubed

Yes

Factory lubed

Yes

Stem construction

Standard

Stem construction

Standard

Stem material

Ly

Stem material

POM

Top housing material

Nylon

Top housing material

Proprietary Gazzew blend

Bottom housing material

Nylon

Bottom housing material

Proprietary Gazzew blend

Mount type

PCB (5-pin)

Mount type

PCB (5-pin)

Spring

22mm single-stage spring

Spring

Stainless steel 17.5mm Korean spring

Housing materials

The HMX KD200 and the Gazzew U4T switches both utilize nylon for their housing materials, with both the top and bottom housings of the KD200 made entirely of this classic switch material. Nylon is known for its softer properties, which help to create a deeper and fuller sound profile when typing. This is due to its sound-absorbing qualities, which allow it to dampen the sharper tones produced by harder plastics. As a result, switches with nylon housings tend to deliver a rounded and satisfying auditory experience, particularly noticeable during key release. Therefore, users of the KD200 can expect a consistent sound profile that aligns with the well-established reputation of nylon as a robust switch housing material.

In contrast, the Gazzew U4T features a proprietary blend of plastics, sometimes referred to as "boba plastic," which serves the same sound-enhancing purpose as nylon. This unique blend, employed for both the top and bottom housings, is designed to absorb sound effectively, creating similarly rich and deep sound profiles. The softer characteristics of the Gazzew blend mirror those of nylon, allowing for an experience that is also dulled and rounded during key presses and releases. Thus, even though the materials differ, the resulting acoustic performance in terms of sound quality during typing remains comparable between the KD200 and U4T due to their shared focus on soft plastic properties.

Highlighting the interaction between the two materials, the different housing compositions affect the keys' acoustic qualities during various actions. Since the KD200 features uniform nylon for both top and bottom housings, the rich sound profile is consistent with both bottom-out and release actions. In comparison, while the Gazzew U4T's proprietary plastic may offer unique characteristics, the overall experience will still deliver a similarly satisfying typing sound. In both cases, softness in the material leads to a less harsh auditory experience, following the idea that even with different material blends, the resultant acoustical properties ensure that typing on either switch feels lush, deep, and engaging.

Weight

When comparing the HMX KD200 linear switch to the Gazzew U4T tactile switch, notable differences emerge in both actuation and bottom out forces that cater to distinct user preferences. The KD200 features a light actuation force of 45 grams and a bottom out force of 50 grams, making it ideal for those who prefer less resistance during extended typing or gaming sessions. In contrast, the U4T lacks a specified actuation force but has a bottom out force of 65 grams, which positions it as medium-heavy. Consequently, the U4T is the heavier option, providing a more substantial typing experience that may appeal to users who favor a stronger push feel. While the KD200 offers lighter feedback and thus facilitates prolonged use with less fatigue, the U4T presents a firmer response for those who prefer more tactile feedback. Therefore, potential users must consider their preferences for typing feel when choosing between these two switches.

Travel distance

When comparing the travel distances of the HMX KD200 linear switch and the Gazzew U4T tactile switch, the KD200 has a travel distance of 3.5 mm, while the U4T features a slightly longer travel distance of 4 mm. This indicates that the U4T switch provides more depth, offering a more pronounced feedback that many users appreciate, particularly for typing and other nuanced applications. On the other hand, the shorter travel distance of the KD200 caters to those who prefer quicker response times, making it a suitable choice for gamers who prioritize speed and efficiency. Both switches have their appeal, with the KD200 being better for those who enjoy rapid actuations and the U4T being ideal for users who appreciate a more substantial tactile experience.

Price comparison

Which switch is more bang for your buck?

The HMX KD200 has an MSRP of $3.50 per 10 switches. At Milktooth, we are able to pass on savings to our customers and offer the KD200 for $3.29.

The Gazzew U4T comes in at $6.50 per 10 switches.

Here at Milktooth, we offer the best prices on switches (on average, 27% lower the competition). In addition, we offer free shipping on orders over $49.00. We also offer free returns and exchanges, so you can shop with guaranteed satisfaction.

That said, while price is an important piece of the puzzle, our opinion is that you should ultimately pick the option that most suits your unique preferences since you’ll be using these switches for years to come. In other words, finding something perfect for you is, in our view, the most important criteria.

Typing experience

In terms of sound, the HMX KD200 linear switch is best known as the clackiest member of the HMX Film switch family, which likely results in a bright, snappy sound with a pronounced impact during key presses. In contrast, the Gazzew U4T switch showcases a harmonious fusion of a bassy and thocky audio profile. The U4T produces a deep, rich thock sound that resonates with a satisfying depth, akin to a soft thud or knock with each keystroke. Both switches deliver distinct auditory experiences, but the KD200's clackiness contrasts sharply with the U4T's deeper thockiness.

When it comes to feel, the KD200's characteristics are not explicitly defined here; however, as a linear switch, it is typically smoother without any tactile feedback, promoting an uninterrupted keystroke experience. On the other hand, the U4T is noted for its sharp tactile feedback, offering a strong and crisp tactile bump that can be felt distinctly with each press. This pronounced tactile response makes the U4T particularly engaging for typists who appreciate the physical sensation corresponding to their inputs, further enhancing the overall typing experience.

In summary, the HMX KD200 linear switch and the Gazzew U4T tactile switch offer differing auditory and tactile experiences. While the KD200 shines with a clacky sound typical of linear switches, the U4T combines a thocky bass sound with sharp tactile feedback, appealing to users seeking a more interactive typing experience. These differences in sound and feel will cater to various preferences, allowing newcomers to explore and find which switch best aligns with their personal typing style.

Conclusion

To conclude, when deciding between the HMX KD200 linear switch and the Gazzew U4T tactile switch, it ultimately depends on your personal preferences and typing style. If you enjoy a lighter touch and are looking for a switch that provides a loud, clacky sound with a smooth feel, the KD200 is an excellent choice. Its low actuation force of 50 grams means less effort is required with each keystroke, making it particularly suited for fast-paced gaming or extended typing sessions where you desire minimal finger fatigue. On the other hand, if you prefer a more tactile experience with a satisfying 'thock' sound and a stronger tactile feedback, the U4T would serve you better. The medium-heavy bottom-out force of 65 grams gives you a more substantial feel, which can enhance your typing accuracy and provide a sense of confidence in each keystroke. So, whether you're leaning towards a lightweight, auditory experience or a more tactile and solid feel, both switches offer unique characteristics that cater to different typing experiences. Choose the one that aligns best with your typing style for an enjoyable mechanical keyboard experience.

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