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HMX SU vs. Gateron Type A

An in-depth look at the HMX SU and the Gateron Type A switches—which one is the best fit for you?

Overview

When it comes to choosing the right mechanical keyboard switch, both the HMX SU and Gateron Type A linear switches offer unique qualities that cater to different typing preferences. The HMX SU is recognized for its full PA12 housing and T5 stem, providing a subtle yet relatively deep sound profile that can appeal to those who enjoy a more refined auditory experience while typing. In contrast, the Gateron Type A emerges from Sillyworks' innovative "Project Rehash" / SLAY series, boasting advanced factory lubing techniques and travel distances designed for a balanced feel. This switch is particularly suited for users seeking a medium-weight typing experience, complemented by a sound signature that remains subtly deeper than most. While both switches prioritize smooth key presses and sound quality, their distinct characteristics make them appealing to different users. 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

50g

Bottom-out force

50g

Bottom-out force

55g

Pre-travel

1.80 mm

Pre-travel

2.00 mm

Total travel

3.60 mm

Total travel

4.00 mm

Factory lubed

Yes

Factory lubed

Yes

Stem construction

Standard

Stem construction

Standard

Stem material

T5

Stem material

POM

Top housing material

Nylon

Top housing material

Nylon

Bottom housing material

Nylon

Bottom housing material

Nylon

Mount type

PCB (5-pin)

Mount type

PCB (5-pin)

Spring

22mm single-stage spring

Spring

20mm single-stage spring

Housing materials

The housing materials of the HMX SU and the Gateron Type A switches exhibit a notable similarity in their construction, as both utilize nylon for both the top and bottom housings. This choice of nylon indicates a deliberate decision by the manufacturers to harness the material's sound-dampening qualities. In both cases, the nylon helps to create a deeper and fuller sound profile, which is a characteristic sound aesthetic favored by many keyboard enthusiasts. The inherent softness of nylon contributes to a pronounced sound absorption capability, resulting in a rounder and less harsh auditory experience during typing. This alignment in materials ensures that users of both switches will enjoy similar acoustic properties, making them comparable options for those seeking a more muted typographic sound.

While both switches share the same housing material, the impact of the specific design and engineering nuances cannot be overlooked in their performance. In any keyboard switch, the bottom housing plays a critical role during the bottom-out phase, influencing the tactile feedback and sound emitted when the key is pressed down. Conversely, the top housing primarily affects the sound produced when the key is released. Hence, even with identical nylon compositions, slight variations in the build quality or internal mechanisms of the SU and Type A could yield differences in user experience regarding feel and acoustic output. Nevertheless, since both utilize nylon for their housings, the fundamental qualities that contribute to their sound and feel will be closely aligned.

Ultimately, the potential for variation in experience is muted by the similarities in material choice, as the use of nylon presents consistent acoustic attributes across both switch types. Any differences in key actuation or feel are likely to be more pronounced in the tactile nuances rather than in the core auditory performance, as both switches deliver a satisfying, rounded sound profile owing to their shared material properties. Consequently, users can expect a comparable acoustic experience whether opting for the HMX SU or the Gateron Type A, making either an excellent choice for those prioritizing sound quality in their keyboard setup.

Weight

When comparing the HMX SU linear switch with the Gateron Type A linear switch, notable differences arise in both the actuation force and the bottom out force. The HMX SU features a lighter actuation force of 45 grams and a bottom out force of 50 grams, making it suitable for extended typing sessions without fatigue. In contrast, the Gateron Type A has a slightly heavier actuation force of 50 grams and a bottom out force of 55 grams, catering to users who prefer a more substantial typing feel. Thus, the HMX SU is better suited for those who prioritize comfort during long usage, while the Gateron Type A appeals to those seeking a firmer pushback. Overall, individuals looking for a lighter switch should opt for the HMX SU, whereas those who enjoy a heavier switch experience may prefer the Gateron Type A.

Travel distance

The travel distances of the HMX SU linear switch and the Gateron Type A linear switch illustrate a notable contrast in key feel and responsiveness. The HMX SU features a travel distance of 3.6 mm, while the Gateron Type A measures a longer 4 mm. This means that the Gateron Type A provides a more pronounced depth when pressed, which can be preferable for users who appreciate a fuller key press. In contrast, the shorter travel distance of the HMX SU can cater to gamers or others who favor quicker actuation and responsiveness, allowing for faster response times during use. Thus, if you value a more pronounced tactile sensation, the Gateron Type A would be the choice to make, while the HMX SU is better suited for those who prioritize speed and efficiency in their keystrokes.

Price comparison

Which switch is more bang for your buck?

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

The Gateron Type A comes in at $4.70 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

When it comes to sound, the HMX SU linear switch offers a subtle yet relatively deep sound profile, which can provide a rich auditory experience without being overly distracting. On the other hand, the Gateron Type A linear switch features a neutral and subdued sound signature. The neutral aspect indicates that it maintains a moderate actuation force requirement and sound, making it suitable for various environments, whether at home or in the office. Its subdued nature suggests a dampened sound when pressed, delivering a more subtle auditory experience compared to many other switches. Both switches, while differing in their character, lean toward the deeper end of the sound spectrum, suggesting that users seeking a tonal richness in their keystrokes will enjoy either option.

In terms of feel, the HMX SU linear switch is noted for its smooth actuation, thanks in part to its T5 stem and full PA12 housing, creating a consistently enjoyable typing experience. Conversely, the Gateron Type A switch is designed for medium-weight feedback, appealing to users who favor a balanced resistance while typing. This characteristic can provide a satisfying experience, especially for those who appreciate a switch that feels solid yet not overly heavy. The smoothness of the SU combined with the Type A’s medium-weight feel emphasizes how both switches cater to different preferences while still focusing on delivering an enjoyable typing experience.

In conclusion, both the HMX SU linear switch and the Gateron Type A linear switch present compelling options with their deep sound profiles and enjoyable tactile feedback. While the SU is known for its rich yet subtle sound, the Type A offers a neutral and subdued auditory experience that can fit a variety of environments. In terms of feel, the SU excels in smooth actuation, while the Type A balances medium-weight resistance, appealing to those who want a dependable typing experience. Overall, despite their differences, both switches are likely to provide a satisfying performance that can enhance any keyboard setup.

Conclusion

To conclude, when deciding between the HMX SU linear switch and the Gateron Type A linear switch, you should consider your personal typing preferences and intended usage. If you prefer a lighter switch that produces a deeper sound profile, the SU, with its 50-gram bottom-out force, will likely suit you well, especially if you enjoy a more subtle auditory experience while typing. This makes it an excellent option for rapid typing and long sessions without fatigue. On the other hand, if you're seeking a medium-light switch that balances sound and feel, the Gateron Type A, with its slightly heavier 55-gram bottom-out force and a more neutral sound signature, may be a better fit for you. The Type A is versatile, making it suitable for both home and work environments, thanks to its subdued yet pleasant auditory feedback. Ultimately, both switches have their unique strengths; choosing the right one comes down to your specific typing style and satisfaction with the auditory feedback they provide.

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