Gateron Magnetic Spark 33g
The Gateron Magnetic Spark 33g is an ultra-light Hall Effect linear with adjustable actuation, smooth PC travel, and a 22mm spring built for speed.
How it feels
How it sounds
Full review
Quick Summary
The Gateron Magnetic Spark 33g is a featherweight Hall Effect linear aimed squarely at speed-focused gamers. With a 33g initial force, a 45g bottom-out, and contactless magnetic sensing, it delivers a clean, bounce-free keypress and an adjustable actuation point you can dial in on a compatible board. It’s a strong pick if you want one of the lightest, fastest-feeling HE switches around and you already own a magnetic keyboard to put it in.
Specs and Feel
This is a pure linear with no bump or click to interrupt the stroke. The main feature is the weight: a 33g actuation force makes it one of the lighter HE options out there, and the 45g bottom-out keeps the press from feeling bottomless despite the slack starting force. Total travel comes in shorter than MX standard at 3.2mm, which suits the gaming brief: less distance to cover means quicker resets. The PC stem riding in a PC top and PA66 bottom housing glides smoothly, and the contactless design eliminates the scratch and chatter you’d normally chase out with lube. Stem wobble is well controlled, helped by the cylindrical stem geometry, though as with any ultra-light switch the low spring weight makes the keycap feel a touch more floaty than a heavier linear.
Tuning
There’s little to do here, and that’s the point. The magnetic actuation means no contact scratch to lube away, so most people will run these stock. If you want to take the edge off the spring’s lightness or tighten the bottom-out a hair, a thin film of lube on the rails and spring won’t hurt, but treat it as polish, not a fix.
Verdict
Buy it if you have a Hall Effect board and want a genuinely fast, low-effort linear for gaming. The adjustable actuation and short travel are the whole appeal. Skip it if you’re a heavy-handed typist or you don’t already own a magnetic keyboard, because 33g is light enough to mistrigger and these will not work in standard MX hardware. For the right setup, it’s an easy recommendation and a cheap one.
Frequently asked
Will the Magnetic Spark 33g work in a regular mechanical keyboard?
No. This is a Hall Effect switch that reads keypresses with magnets and sensors instead of metal contacts, so it requires a magnetic/Hall Effect PCB. It will not function in a standard hot-swap or soldered MX board, and it may not even play nicely with every HE board due to magnet tolerances.
What does the adjustable actuation point actually mean?
Because the sensor measures how far the stem has traveled rather than a fixed contact location, compatible boards let you set the actuation depth yourself: shallow for fast gaming triggers or deeper to avoid accidental presses. Many HE boards also expose rapid trigger and per-key tuning.
Is 33g too light for typing?
It's very light, closer to a gaming-first weight than a typist's switch. Fast players love how little effort it takes, but if you tend to rest your fingers on the keys you may find yourself triggering presses unintentionally.
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