Gateron KS-15 Optical Yellow Switches 35g Linear - Fast RGB Ready

In this review of the Gateron KS-15 Optical Yellow switches the bottom line is simple: these are a strong choice for gamers and typists who want a very light, low-travel linear switch with excellent RGB shine-through and long life. They stand out for a noticeably faster response than traditional mechanical switches and a smooth, consistent keystroke that makes fast repeat presses effortless. If you use an optical or hot-swap compatible keyboard and want a quiet, speedy linear feel, these switches deliver the core experience they promise.

Key Features

• 35g actuation force: The light 35g actuation makes rapid inputs easier and reduces finger fatigue during long gaming sessions.
• Low travel profile: With 1.0mm pre-travel and 3.2mm total travel, the switches register keypresses quickly for snappy in-game performance.
• Transparent clear top: The clear housing maximizes RGB lighting so under-key illumination is bright and even on backlit keyboards.
• Optical design: Optical actuation gives a faster response rate than many mechanical switches and is less prone to debounce-related lag.
• High durability: Rated for 100 million keystrokes, these switches are built to last through heavy daily use.
• Hot-swap friendly: Available in 65, 90 and 120 PCS packs, they fit hot-swappable optical keyboards without desoldering for easy upgrades.

Who It's For

The Gateron KS-15 Optical Yellow switches are best for PC gamers and speed-focused typists who prioritize a light, linear actuation and want vivid RGB lighting. They suit compact 60% and TKL layouts as well as full size boards when bought in the 120 PCS pack, and they work best in optical-compatible, hot-swap keyboards.

They are not the right choice for users with regular mechanical keyboards that do not support optical switches, nor for those who prefer tactile or clicky feedback. If you need a heavier, more resistant keyfeel or guaranteed compatibility with every MX-style board, consider a mechanical switch alternative instead.

Pros & Cons

Pros

• Very fast actuation and low travel make them ideal for competitive gaming.
• Clear top housing provides excellent RGB shine-through and visual appeal.
• Smooth, quiet linear travel with a light 35g force reduces finger strain.
• Durability rated to 100 million keystrokes offers long-term reliability.

Cons

• Not compatible with regular mechanical keyboards that lack optical support, so check your board before buying.
• Some users report mixed sound preferences-while many find the sound pleasant, others may perceive them as louder than expected depending on keyboard build.

Specifications

Switch type	Optical linear
Actuation force	35g
Pre-travel	1.0mm
Total travel	3.2mm
Housing	Clear top (shine-through)
Durability	100 million keystrokes
Pack size	120 PCS (also available 65 PCS, 90 PCS)

Our Verdict

The Gateron KS-15 Optical Yellow switches are a solid, value-oriented pick for gamers and fast typists who use optical or hot-swap keyboards and want bright RGB and quick actuation. They pair strong durability with a smooth, light linear feel, making them a sensible upgrade for compatible boards, though buyers must confirm optical compatibility before purchasing.

Frequently Asked Questions

Will these work in my keyboard?
They work in optical-compatible and hot-swap keyboards; they are not compatible with standard non-optical mechanical keyboards.

How loud are these switches?
They are relatively low noise for linear switches, but perceived sound depends on keyboard case and keycaps; some users find them quieter than mechanical switches, others report moderate noise.

Are they good for gaming?
Yes, the light 35g actuation and low travel make them well suited to fast, repetitive keypresses in gaming.