HMX KD400 vs KD200: Which Clacky Linear Wins?
By UniKeys | Custom Mechanical Keyboards, Keycaps & Switches | Published: 2026-10-28
Category: Comparisons
Compare HMX KD400 and KD200 linear switches: sound, feel, and value. See which factory-lubed switch fits your build best.
Quick Answer
Choose the HMX KD400 if you want the newest clack king with upgraded materials; pick the KD200 if you prefer the classic HMX clack and a lower price per switch.
Sound and Feel: The Clack Factor
Both switches are known for their clacky sound, but they achieve it differently. The KD200 uses HMX's newest stem and bottom housing molds at the time of its release, delivering a refined typing feel that fans of the HMX Cheese series will recognize. The KD400, on the other hand, is the first HMX switch to combine an M1 strengthened POM stem with an N3 bottom housing, creating a unique clacky profile that echoes the classic HMX sound while pushing it further.
If you prioritize the absolute crispest, most pronounced clack, the KD400 takes the crown. If you want a familiar, proven clack with a slightly softer edge, the KD200 remains a solid choice.
Value and Quantity: What's in the Pack?
The KD200 comes in a 10-switch pack, while the KD400 offers 35 switches per pack. This makes the KD400 a better deal if you're building a full keyboard or need to stock up. The KD200's smaller pack is handy for testing or small projects, but you'll need to buy multiple packs for a full build.
When comparing price per switch, the KD400's larger pack typically offers better value, even though the upfront cost is similar. The KD200's higher per-switch price reflects its premium positioning at launch.
KD400 vs KD200: The Tradeoffs
- Sound Profile: The KD400 offers a more unique, refined clack thanks to its M1 POM stem and N3 housing. The KD200 has a classic, slightly softer clack that many HMX fans already love.
- Feel and Materials: The KD400 uses newer, strengthened materials for a more durable and consistent feel. The KD200 uses proven molds and materials that deliver a familiar, refined typing experience. If you value the latest material tech, choose the KD400; if you prefer a proven feel, the KD200 is still excellent.
- Value and Quantity: The KD400 pack includes 35 switches for a similar price to the KD200's 10-switch pack, making it more cost-effective for full builds. The KD200's smaller pack is better for testing or small projects. For a full keyboard build, the KD400 offers better overall value per switch.
Product Facts
- HMX KD200 Linear Switch Factory Lubed Edition (10PCS): The KD200 is the most clacky switch in the HMX Film series and shares similar material specs with HMX Cheese switches. If you want a bright, clacky sound with a familiar HMX feel, the KD200 delivers that classic profile.
HMX KD200 Linear Switch Factory Lubed Edition (10PCS) - HMX X 80 RETROS KD400 Linear Switch Factory Lubed (35PCS): The KD400 is the first HMX switch to use an M1 strengthened POM stem and N3 bottom housing, creating a unique clacky sound profile. This new material combo gives the KD400 a more refined and distinctive clack that stands out from earlier HMX switches.
HMX X 80 RETROS KD400 Linear Switch Factory Lubed (35PCS)
Which One Should You Choose?
Best For
- Enthusiasts who want the newest, most unique clack and are building a full keyboard
- Typers who prefer a firmer, more refined feel from strengthened materials
Not For
- Those who want to test a switch before committing to a large pack—the KD200's 10-pack is better for sampling
- Budget builds where the lower per-switch cost of the KD400 is essential
