What makes the Redragon PENUMBRA K687 HE different from traditional mechanical keyboards?

The PENUMBRA K687 HE stands out thanks to its Hall Effect magnetic switches, which use magnetic fields instead of physical contacts for key actuation. This technology eliminates input delay, provides ultra-fast response times, and significantly extends the keyboard’s lifespan, making it a top choice for gamers and fast typists.

Can I customize the actuation point of the keys?

Yes! The PENUMBRA K687 HE allows you to precisely adjust the actuation point of each key between 0.1mm and 3.4mm using software. This means you can set your preferred sensitivity for every key, whether you want ultra-light taps for gaming or a more deliberate press for typing accuracy.

Is the K687 HE compatible with other brands' Hall Effect switches?

No, the K687 HE uses its own proprietary Hall Effect switches that are not compatible with Hall Effect switches from other brands. If you plan to swap switches, make sure to use those designed specifically for this model.

How does the Rapid Trigger technology improve gaming performance?

Rapid Trigger enables dynamic activation and deactivation of keys based on the slightest movement, rather than waiting for a full key release. This means you can perform rapid, repeated actions with minimal finger movement, giving you a competitive edge in fast-paced games.

What materials are used in the construction of the PENUMBRA K687 HE?

The keyboard features a CNC-machined aluminum frame with a frosted finish, giving it a solid, premium feel and excellent durability. This robust construction keeps the keyboard stable during intense gaming or typing sessions.

Does the keyboard offer noise dampening features?

Absolutely. The K687 HE is engineered with multiple layers of noise-dampening materials, including PO foam, IXPE switch foam, PET sound pads, and silicone gaskets. These layers work together to minimize hollow sounds and create a cleaner, more satisfying acoustic profile for every keystroke.

What is the layout of the PENUMBRA K687 HE?

The K687 HE features an innovative 81-key layout that combines the compactness of a 65% keyboard with the convenience of dedicated function keys at the top. This design maximizes desk space while still providing easy access to essential keys—no more relying on function combinations for F1-F12!

How do I control media and lighting on this keyboard?

A multifunctional control knob is included, allowing you to adjust backlight brightness, volume, and media playback (such as play/pause and track switching) directly from the keyboard. This makes it easy to manage your media without interrupting your workflow or gameplay.

What does the gasket design contribute to the typing experience?

The gasket-mounted structure uses precision-locked covers and cushioning to reduce noise and provide a softer, more flexible typing feel. This results in a crisp, clean sound with every keystroke and less finger fatigue during long sessions.

Is the PENUMBRA K687 HE suitable for both gaming and professional use?

Absolutely! Its fast-response Hall Effect switches, customizable actuation, noise dampening, and premium build quality make it a versatile keyboard that excels in both gaming and productivity environments.

Redragon PENUMBRA K687 HE Starting at $83.99

Name: Redragon PENUMBRA K687 HE
Brand: Redragon
SKU: penumbra-k687-he

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Redragon PENUMBRA K687 HE
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PENUMBRA K687 HE Rapid Trigger Gaming Keyboard
	Shipping to US			$84 Out of stock	Visit Shop

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PENUMBRA K687 HE Rapid Trigger Gaming Keyboard

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Compare Redragon PENUMBRA K687 HE vs Keychron K2 Pro vs Gamakay GK75 Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!

Model	Redragon PENUMBRA K687 HE	Keychron K2 Pro	Gamakay GK75
	70	94	62
Rating	0.0 stars (0 reviews)	4.9 stars (16 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2025 Has Magnetic switch options Comes with a knob Utilizes Hall effect sensors Enables rapid trigger functionality Supports Wired, Wired only connectivity Weighs about 1500 g Sized at 43 x 334 x 140 mm Made with a Aluminum case	Has Linear, Tactile, Clicky switch options Built with the ISO, JIS, ANSI, ISO-DE, ISO-ES, ISO-FR, ISO-SW, ISO-UK layout standard Provides dedicated media keys Supports QMK firmware Supports VIA configuration Features N-key rollover Includes screw-in stabilizers Uses a Tray Mount mounting style Supports Bluetooth, Wired, Wireless connectivity Runs at a 1000 Hz polling rate Equipped with a 4000 mAh battery Weighs about 1070 g Sized at 25 x 317 x 122 mm Made with a Aluminum, Plastic, ABS case Features ABS, PBT keycaps Offers Yes, Rgb, South-face, Rgb South-face, White, White South-face RGB lighting	Has Linear switch options Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Equipped with a 3750 mAh battery Weighs about 1700 g Sized at 28 x 145 x 329 mm Made with a Plastic case
Score	Scores Performance: 86.6 Build Quality: 69.9 Productivity: 78 Customizability: 55.4 Portability: 60.9	Scores Performance: 81.6 Build Quality: 89.5 Productivity: 94.9 Customizability: 97.5 Portability: 79.8	Scores Performance: 61.6 Build Quality: 56.9 Productivity: 65.5 Customizability: 59 Portability: 79.8
Name	Name Redragon PENUMBRA K687 HE	Name Keychron K2 Pro	Name Gamakay GK75
Release year	Release year 2025	Release year 2022	Release year 2022
Switch Options	Switch Options Magnetic	Switch Options Linear, Tactile, Clicky	Switch Options Linear
Profile	Profile Normal Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 75%	Layout Size 75%
Layout Standard	Layout Standard ANSI	Layout Standard ISO, JIS, ANSI, ISO-DE, ISO-ES, ISO-FR, ISO-SW, ISO-UK	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough	USB passthrough
Connection	Connection Wired, Wired only	Connection Bluetooth, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate 1000 Hz	Polling Rate -
Battery capacity	Battery capacity -	Battery capacity 4000 mAh	Battery capacity 3750 mAh
Hall Effect Support	Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style Gasket Mount	Mount Style Tray Mount	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb	Backlight Rgb, South-face, White, White South-face	Backlight Rgb
Case Colors	Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum	Case Material Aluminum, Plastic, ABS	Case Material Plastic
Keycaps Material	Keycaps Material PBT	Keycaps Material ABS, PBT	Keycaps Material PBT
Dimensions	Dimensions 43 x 334 x 140 mm	Dimensions 25 x 317 x 122 mm	Dimensions 28 x 145 x 329 mm
Weight	Weight 1500g	Weight 1070g	Weight 1700g

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Product Description

The Redragon PENUMBRA K687 HE is a compact 65% mechanical keyboard designed for users who prioritize fast and precise key actuation, such as gamers or professionals needing quick response times. It features Hall Effect magnetic switches, which reduce input delay and extend switch lifespan. This keyboard suits those who want a smaller footprint without sacrificing dedicated function keys, and who prefer a quieter, cushioned typing experience.

Key Features

Hall Effect magnetic switches provide faster input detection and longer durability compared to traditional mechanical switches.
Adjustable actuation point between 0.1 and 3.4 mm allows precise customization of key sensitivity, useful for rapid or deliberate typing.
Dedicated top-row function keys eliminate the need for FN combos, improving convenience in a compact layout.

Build Quality

Frame made from CNC-machined aluminum offers a stable and solid base, enhancing durability and desk presence.
Gasket mounting with precision-locked covers reduces noise and adds flexibility, resulting in a softer, less rigid typing feel.
Multiple layers of foam and silicone pads dampen hollow sounds, producing cleaner and quieter keystrokes.

Typing Experience

The combination of gasket design and noise dampening materials creates a cushioned, quiet typing environment.
Ultra-precise actuation adjustment supports both fast gaming inputs and comfortable typing preferences.

Layout and Use Cases

65% layout omits the numpad but retains arrow keys and dedicated function keys, balancing compactness with functionality.
Good fit for users needing more mouse space and quick access to function keys without FN layers.
Less ideal for those who require a full-size keyboard or extensive macro layers, as compatibility with other Hall Effect switches is limited.

Frequently Asked Questions (FAQ)