Flux Keyboard misses latency promises but delivers gorgeous transparent keys

Linus Tech Tips////2 min read

A Screen Beneath Your Fingertips

The Flux Keyboard attempts to merge a high-end IPS display with a functional mechanical keyboard. By placing an ultra-transparent keyframe directly over a 1080p screen, it promises infinite customization, dynamic app-specific hotkeys, and modular dial accessories. It looks like a prop from a sci-fi movie. Yet, engineering a hybrid this complex inevitably introduces compromises.

Maglev Switches and Floating Keys

Instead of physical springs, this hardware uses magnetic levitation to suspend each key. The 97% transparent acrylic keyframe lets the underlying display shine through with vibrant clarity. Users can swap the entire top frame to alternate between linear and tactile configurations in seconds. However, typing comfort suffers. The smooth acrylic keycaps feel sticky under the fingers, and off-center keypresses bind easily due to the lack of stabilizing switch stems.

Flux Keyboard misses latency promises but delivers gorgeous transparent keys
This Video Keyboard Raised $3.8M on Kickstarter

Lab Testing Reveals the Truth

Marketing materials claim a blazing 1.2-millisecond input latency, but rigorous lab testing reveals a different reality. Real-world benchmarks clocked the average input lag at 10 milliseconds. While perfectly fine for productivity, it misses the mark for high-tier gaming. Conversely, the screen holds up its end of the bargain. It pushes nearly 280 nits of brightness through the keyframe, rendering custom icons and widgets with crisp definition.

Niche Utility at a Premium Price

The software integrates with applications like DaVinci Resolve to turn keys into active video editing tools. But at a staggering $530 for the base unit, the barrier to entry is high. It remains a stunning, highly customizable conversation piece that struggles to justify its premium pricing for everyday typists.

Topic DensityMention share of the most discussed topics · 3 mentions across 3 distinct topics
DaVinci Resolve
33%· products
Flux Keyboard
33%· products
FranciumGoesBoom
33%· people
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Flux Keyboard misses latency promises but delivers gorgeous transparent keys

This Video Keyboard Raised $3.8M on Kickstarter

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Linus Tech Tips // 11:18

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