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Head to head · Prices checked Nov 7, 2026

Redragon PENUMBRA K687 HE vs PENUMBRA K687 ProHall Effect vs Wireless

Choose the K687 HE for competitive gaming with Hall Effect magnetic switches, or the K687 Pro for flexible connectivity and switch modding.

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Quick verdict

Which one should you get?

Get the

Redragon PENUMBRA K687 HE

Hall Effect

Build quality in the top 40% of 75% boards under $100.

If you want

  • Hall Effect magnetic switch eliminates physical input delay and offers a longer lifespan according to the manufacturer
  • Rapid Trigger tech enables dynamic actuation adjustment from 0.1 to 3.4 mm in 0.1 mm steps
  • 5-layer noise dampening with 3.5mm PO foam, IXPE switch foam, PET sound pad, bottom socket foam, and silicone bottom pad

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.

Get the

Redragon PENUMBRA K687 Pro

Wireless

Build quality in the top 35% of 75% boards under $100.

If you want

  • Tri-mode connectivity includes Bluetooth 3.0/5.0, 2.4 GHz, and USB-C wired for versatile use
  • Hot-swappable switch sockets accept nearly all 3/5-pin switches for easy customization
  • Height-adjustable feet allow personalized typing angle

Bottom line

If your primary focus is competitive gaming with the fastest possible response and adjustable actuation, the K687 HE is the clear choice thanks to its Hall Effect magnetic switches and Rapid Trigger. If you need a keyboard that can switch between wired and wireless modes for different devices or prefer the ability to swap switches for customization, the K687 Pro offers more flexibility. Both are built from the same CNC aluminum chassis and share excellent noise dampening, so your decision hinges on switch technology versus connectivity.

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

Redragon PENUMBRA K687 HE

Redragon PENUMBRA K687 Pro

  • Hall effect (magnetic)

    Yes

    No

    Adjustable actuation helps in games and not in normal typing

  • Rapid trigger

    Yes

    No

    Faster resets help in games and not in normal typing

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Switch options

    Magnetic

    Linear

KeebFinder scores

How we score
  • Redragon PENUMBRA K687 HE
  • Redragon PENUMBRA K687 Pro
Performance
86
79
Build quality
69
73
Productivity
77
71
Customizability
54
61
Portability
60
74

What they share

  • Layout size: 75%
  • Case material: Aluminum
  • Mount style: Gasket Mount
  • Knob
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Best for

What will you mostly use it for?

For pure gaming performance, the K687 HE leads with its magnetic switches and Rapid Trigger, making it the stronger choice for competitive play. The K687 Pro wins for office and travel due to its tri-mode wireless connectivity and height-adjustable feet, which the HE lacks. Modders will prefer the Pro for its hot-swappable switch sockets. In productivity-focused categories like programming and content creation, the two keyboards are evenly matched, as both share the same layout, knob, and software support.

For gaming

Pick the Redragon PENUMBRA K687 HE

  • Hall Effect magnetic switch eliminates physical input delay according to the manufacturer
  • Rapid Trigger tech allows actuation point adjustment between 0.1-3.4 mm with 0.1 mm precision
  • Wired connection ensures consistent low-latency performance

Full specs

Redragon PENUMBRA K687 HE vs PENUMBRA K687 Pro specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

10 of 22 specs differ

Redragon PENUMBRA K687 HE

Redragon PENUMBRA K687 Pro

Typing & switches

Switch options

Magnetic
Linear

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Hot-swappable

No
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

Aluminum
—

Keycaps

PBT
PBT

Weight

1,500 g
1,800 g

Dimensions

43 x 334 x 140 mm
43 x 132 x 43 mm

Backlight

RGB
RGB

Firmware & software

N-key rollover

No
Yes

Mac & Windows

Yes
No

Extras

Released

2025
2024

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

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Lowest price across stores, Amazon excluded.

FAQ

Redragon PENUMBRA K687 HE vs PENUMBRA K687 Pro: your questions

Yes, both are 75% layout keyboards with 81 keys. They share similar dimensions, with the HE measuring 43 x 334 x 140 mm and the Pro measuring 43 x 132 x 43 mm. Both use an ANSI layout and a normal ergonomic profile.

No, the K687 HE uses dedicated Hall Effect magnetic switches that are not hot-swappable. The manufacturer states the switches are not cross-compatible with other brands. For switch swapping, you need the K687 Pro which has hot-swappable sockets compatible with nearly all 3/5-pin switches.

Yes, the K687 Pro features tri-mode connectivity including Bluetooth 3.0/5.0, 2.4 GHz wireless, and USB-C wired. The K687 HE is wired only. The Pro package includes a wireless receiver.

The K687 HE is designed for rapid trigger gaming. It uses a Hall Effect magnetic switch with adjustable actuation from 0.1 to 3.4 mm at 0.1 mm precision, and dynamic activation/deactivation via software. The K687 Pro uses standard linear switches without rapid trigger capability.

Both keyboards use PBT keycaps. The K687 Pro is specifically noted to have PBT gradient keycaps, while the HE has standard PBT keycaps. Both are pre-built and include PBT material for durability.

Yes, both keyboards support online driver and software. The K687 HE supports Windows and web-based driver, while the K687 Pro offers software for designing new modes, effects, and macros. Both can be programmed for keybindings and shortcuts.

Yes, the K687 Pro weighs 1800g while the K687 HE weighs 1500g. The Pro is 300g heavier, likely due to additional battery and wireless components, but both are built with a CNC aluminum frame.

Both keyboards feature 5-layer noise dampening. According to the manufacturer, they include 3.5mm PO foam, IXPE switch foam, PET sound pad, bottom socket foam, and silicone bottom pad along with silicone gaskets for reduced hollow noise.

The K687 Pro is listed for Windows and macOS (basic functions). The K687 HE is explicitly noted to support Windows, macOS (basic functions), and Linux (basic functions). Both offer multi-OS support for basic functionality.

The K687 HE includes the keyboard, detachable USB-C cable, keycap and switch puller, 4 spare switches, a Redragon sticker, and a user manual. The K687 Pro includes the keyboard, 4 spare switches, a wireless receiver, a detachable USB-C cable, and a user manual.

The K687 HE has 2 customer reviews on the Redragon site, both positive. The K687 Pro has 8 reviews with a 75% five-star rating. Neither keyboard has professional reviews available at this time, but customer feedback indicates strong satisfaction with both.

The K687 Pro is the better choice for modding. It features hot-swappable switch sockets that accept nearly all 3/5-pin switches, allowing you to change switch types without soldering. The K687 HE uses proprietary Hall Effect magnetic switches that cannot be swapped with standard mechanical switches.

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