Compare HMX Amber Linear vs x 80 Retros KD400 Linear Differences Side by Side

Explore the comprehensive side-by-side comparison of the HMX Amber Linear and HMX x 80 Retros KD400 Linear and view their biggest differences. The detailed comparison table allows you to see all the essential features, specifications, and benefits of each switch at a glance. Whether you're looking for performance, value, or specific functionalities, this comparison tool helps you make an informed decision.

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Main differences	Released in 2025 45g actuation force 50g bottom-out force 2mm pre-travel 3.4mm total travel PC top housing	Released in 2026 57g actuation force 63g bottom-out force 1.2mm pre-travel 3.5mm total travel Nylon top housing Deep, Clacky sound profile Long pole design Factory lubed
Name	Name HMX Amber Linear	Name HMX x 80 Retros KD400 Linear
Release year	Release year 2025	Release year 2026
Switch type	Switch type Linear	Switch type Linear
Factory lubed	Factory lubed	Factory lubed
Profile	Profile Standard profile	Profile Standard profile
Actuation force	Actuation force 45g	Actuation force 57g
Bottom out force	Bottom out force 50g	Bottom out force 63g
Pre travel	Pre travel 2mm	Pre travel 1.2mm
Total travel	Total travel 3.4mm	Total travel 3.5mm
Pins	Pins 5-Pin	Pins 5-Pin
Magnetic Hall Effect	Magnetic Hall Effect	Magnetic Hall Effect
Top Housing Material	Top Housing Material PC	Top Housing Material Nylon
Bottom Housing Material	Bottom Housing Material -	Bottom Housing Material -
Stem Material	Stem Material POM	Stem Material POM
Sound profile	Sound profile -	Sound profile Deep
Spring type	Spring type -	Spring type -
Double stage	Double stage	Double stage
Long pole	Long pole	Long pole
Dust proof	Dust proof	Dust proof
Water resistant	Water resistant	Water resistant
Weight	Weight -	Weight -