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Head to head · Prices checked Nov 9, 2026

AULA HERO84 HE vs Redragon PENUMBRA K687 HE

Get the AULA HERO84 HE for n-key rollover. Get the Redragon PENUMBRA K687 HE for knob.

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Quick verdict

Which one should you get?

Get the

AULA HERO84 HE

N-key rollover

Build quality in the bottom 5% of 75% boards under $100.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

Get the

Redragon PENUMBRA K687 HE

Knob

Build quality in the top 45% of 75% boards under $100.

Rules this board out

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

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.

AULA HERO84 HE

Redragon PENUMBRA K687 HE

  • Case material

    Metal

    Aluminum

  • Switch options

    Linear, Magnetic

    Magnetic

  • Knob

    No

    Yes

  • Backlight

    RGB, south-facing

    RGB

    RGB for looks and low light rather than speed

  • N-key rollover

    Yes

    No

KeebFinder scores

How we score
  • AULA HERO84 HE
  • Redragon PENUMBRA K687 HE
Performance
92
86
Build quality
38
69
Productivity
70
77
Customizability
48
54
Portability
60
60

What they share

  • Layout size: 75%
  • Hall effect (magnetic)
  • Rapid trigger
  • Connection: Wired
  • Sound dampening
  • Plate material: Aluminum
See every spec side by side

Full specs

AULA HERO84 HE vs Redragon PENUMBRA K687 HE specs

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

5 of 22 specs differ

AULA HERO84 HE

Redragon PENUMBRA K687 HE

Typing & switches

Switch options

Linear, Magnetic
Magnetic

Hall effect (magnetic)

Yes
Yes

Rapid trigger

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

Wired
Wired

Max polling rate

8,000 Hz
—

USB-C

Yes
Yes

Build & materials

Case material

Metal
Aluminum

Plate material

Aluminum
Aluminum

Keycaps

PBT
PBT

Weight

—
1,500 g

Dimensions

—
43 x 334 x 140 mm

Backlight

RGB, south-facing
RGB

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2025
2025

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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