Gateron KS-33 Red Low Profile

Quick Summary

The Gateron KS-33 Red is a light low-profile linear built for slim keyboards rather than full-height MX boards. With a 45g actuation, a short 1.7mm pretravel, and 3.0mm of total travel, it trades the long, deliberate keypress of a standard switch for something quicker and flatter underfoot. It is a sensible pick if you want a low-profile board that feels fast and unobtrusive without going feather-light.

Specs and Feel

This is a true linear: no bump, no click, just a clean glide from top to bottom. The 45g spring sits in comfortable everyday territory: light enough to type on for hours, firm enough that you are not constantly bottoming out by accident. The defining trait is geometry. At 1.7mm pretravel and 3.0mm total travel, the KS-33 actuates noticeably sooner and ends its stroke much shorter than a standard MX linear, which gives the typing experience a snappy, low-effort character.

Internally it pairs a POM stem with a PC top and nylon bottom housing, a familiar Gateron recipe that leans toward a smooth, slightly muted feel. Stock smoothness is good for a low-profile switch, with only faint scratch on the upstroke that most typists will never notice in use. Stem wobble is well controlled, helped by the compact housing, and the sound is on the quieter, rounded side rather than sharp or clacky.

Tuning

Leave them stock. Low-profile housings are tight and awkward to disassemble, and the KS-33 already glides well enough that hand-lubing offers little upside for the effort. If you want a slightly deeper sound, a low-profile board with some foam dampening will do more than any switch-level mod here.

Verdict

Buy the KS-33 Red if you are building or upgrading a low-profile keyboard and want a light, fast linear that stays out of your way. It is not for MX boards, and people who like a long, weighty keypress should look elsewhere. But for slim builds where speed and a clean stock feel matter most, it is an easy, well-judged choice.