Compare Redragon EISA K686 Pro vs PENUMBRA K687 HE Differences Side by Side

This comparison is for buyers deciding between two feature-packed Redragon keyboards at different priorities. The EISA K686 Pro offers tri-mode wireless connectivity and hot-swap sockets in a 98-key layout. The PENUMBRA K687 HE focuses on gaming performance with Hall Effect magnetic switches, rapid trigger technology, and a CNC aluminum case. The decision hinges on whether you value wireless versatility or cutting-edge gaming specs.

Model
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Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
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Main differences	Released in 2024 Has Linear switch options Supports hot-swappable switches Available in a 90% layout Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Weighs about 1060 g Sized at 90 x 430 x 90 mm Made with a Plastic case Offers Yes, Rgb, South-face, Rgb South-face RGB lighting	Released in 2025 Has Magnetic switch options Available in a 75% layout 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 Offers Yes, Rgb RGB lighting
Score	Scores Performance: 66.2 Build Quality: 63.1 Productivity: 83.2 Customizability: 66.6 Portability: 51.8	Scores Performance: 86.7 Build Quality: 70 Productivity: 78 Customizability: 55.5 Portability: 60.9
Name	Name Redragon EISA K686 Pro	Name Redragon PENUMBRA K687 HE
Release year	Release year 2024	Release year 2025
Switch Options	Switch Options Linear	Switch Options Magnetic
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 90%	Layout Size 75%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Wired, Wired only
Polling Rate	Polling Rate -	Polling Rate -
Battery capacity	Battery capacity -	Battery capacity -
Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style Gasket Mount	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, South-face	Backlight Rgb
Case Colors	Case Colors	Case Colors
Case Material	Case Material Plastic	Case Material Aluminum
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 90 x 430 x 90 mm	Dimensions 43 x 334 x 140 mm
Weight	Weight 1060g	Weight 1500g

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Pros and Trade-offs

Your primary need dictates the choice. For a flexible, daily-driver keyboard that can connect wirelessly to multiple devices and lets you experiment with different switches, the Redragon EISA K686 Pro is the logical pick. If your focus is purely on maximizing gaming performance with the latest magnetic switch technology and you prefer a wired, premium metal build, the Redragon PENUMBRA K687 HE is the specialized tool for the job.

Redragon EISA K686 Pro

+Tri-mode wireless connectivity (Bluetooth, 2.4GHz, USB-C wired).
+Hot-swappable sockets for easy switch replacement.
+Includes a full set of accessories: puller, spare switches, and a nano receiver.
+98-key layout provides a numpad in a compact form factor.
+Software support for creating macros and lighting effects.

−Plastic case construction, compared to the aluminum alternative.
−Uses standard linear mechanical switches, not Hall Effect.
−Lacks advanced gaming features like rapid trigger.

Redragon PENUMBRA K687 HE

+Features Hall Effect magnetic switches with adjustable actuation (0.1-3.4mm).
+Includes rapid trigger technology for competitive gaming.
+CNC aluminum frame and aluminum plate for a premium, solid build.
+Extensive five-layer noise dampening system for a quieter typing experience.

−Wired-only connectivity, no wireless options.
−Hall Effect switches are listed as Redragon exclusive and not cross-compatible.
−Heavier weight (1500g) and lacks height adjustment.

Which Keyboard Is Better for Your Needs?

The EISA K686 Pro is the more versatile choice, winning for office use, programming, travel, and modding due to its wireless options, larger layout, and hot-swap capability. The PENUMBRA K687 HE is the clear pick for dedicated gaming, leveraging its Hall Effect switches and rapid trigger. For content creation, both offer useful media knobs and macro support, making it a tie.

GamingRedragon PENUMBRA K687 HE

•Features dedicated Hall Effect magnetic switches for potentially faster response.
•Includes software-adjustable rapid trigger technology for dynamic actuation.
•Built with a heavier, tank-solid CNC aluminum frame for stability.

OfficeRedragon EISA K686 Pro

•Offers tri-mode connectivity (Bluetooth, 2.4GHz, wired) for connecting to multiple devices.
•Includes a full 98-key layout with a numpad for data entry.
•Has a side button for seamless switching between Windows and Mac systems.

ProgrammingRedragon EISA K686 Pro

•Provides a 98-key layout that retains the numpad and arrow keys.
•Hot-swappable sockets allow for easy switch replacement to preferred typing feels.
•Wireless modes reduce cable clutter on the desk.

TravelRedragon EISA K686 Pro

•Is lighter at 1060g compared to the 1500g PENUMBRA.
•Wireless functionality eliminates the need to carry or connect a cable.
•Its plastic case may be less prone to showing travel wear than aluminum.

ModdingRedragon EISA K686 Pro

•Features hot-swappable sockets compatible with 3-pin and 5-pin switches.
•Includes sound-dampening with a PO pad and foams, but allows for aftermarket foam changes.
•Comes with a keycap and switch puller and four spare switches in the box.

Content CreationTie

•The EISA K686 Pro's dedicated knob offers quick media and volume control.
•The PENUMBRA K687 HE's knob also controls media and backlight.
•Both support software for macro programming, which can streamline editing workflows.