Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Nov 10, 2026

AULA F81 vs NPK Club RO75

Get the AULA F81 for knob. Get the NPK Club RO75 for hall effect and the 6,000 mAh battery.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Quick verdict

Which one should you get?

Get the

AULA F81

Knob

Build quality in the bottom 20% of 75% boards under $100.

Get the

NPK Club RO75

Hall effect

Build quality in the top 10% 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 F81

NPK Club RO75

  • Hall effect (magnetic)

    No

    Yes

    Adjustable actuation helps in games and not in normal typing

  • Battery

    4,000 mAh

    6,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Acrylic

    Aluminum

  • Knob

    Yes

    No

  • QMK

    No

    Yes

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • AULA F81
  • NPK Club RO75
Performance
51
85
Build quality
50
83
Productivity
74
89
Customizability
68
86
Portability
76
92

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Sound dampening
See every spec side by side

Full specs

AULA F81 vs NPK Club RO75 specs

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

10 of 25 specs differ

AULA F81

NPK Club RO75

Typing & switches

Switch options

—
Linear, Magnetic

Hall effect (magnetic)

No
Yes

Hot-swappable

Yes
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
No

Display

None
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

4,000 mAh
6,000 mAhBetter

USB-C

No
Yes

Build & materials

Case material

Acrylic
Aluminum

Keycaps

PC
ABS, PBT

Weight

—
1,680 g

Dimensions

—
20 x 316 x 136 mm

Typing angle

—
8°

Backlight

RGB
RGB

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2025

Where to buy

Compare prices

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

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

AULA F812 stores

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.