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Head to head · Prices checked Nov 7, 2026

Redragon PENUMBRA K687 HE vs Xinmeng M75/M75 Pro

Get the Redragon PENUMBRA K687 HE for hall effect and rapid trigger.

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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.

Rules this board out

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

Get the

Xinmeng M75/M75 Pro

Build quality in the bottom 10% of 75% boards under $100.

Rules this board out

  • Switches are soldered. Swapping them means soldering.

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

Xinmeng M75/M75 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

  • Switch options

    Magnetic

    Silent

  • Mount style

    Gasket Mount

    Tray Mount

  • Knob

    Yes

    No

KeebFinder scores

How we score
  • Redragon PENUMBRA K687 HE
  • Xinmeng M75/M75 Pro
Performance
86
43
Build quality
69
42
Productivity
77
43
Customizability
54
49
Portability
60
56

What they share

  • Layout size: 75%
See every spec side by side

Full specs

Redragon PENUMBRA K687 HE vs Xinmeng M75/M75 Pro specs

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

10 of 21 specs differ

Redragon PENUMBRA K687 HE

Xinmeng M75/M75 Pro

Typing & switches

Switch options

Magnetic
Silent

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Mount style

Gasket Mount
Tray Mount

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
—

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
LED

Connectivity & battery

Connection

Wired
—

Max polling rate

—
1,000 Hz

USB-C

Yes
No

Build & materials

Case material

Aluminum
—

Plate material

Aluminum
—

Keycaps

PBT
—

Weight

1,500 g
—

Dimensions

43 x 334 x 140 mm
—

Backlight

RGB
RGB

Firmware & software

Mac & Windows

Yes
No

Extras

Released

2025
2026

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.

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