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Head to head · Prices checked Oct 23, 2026

NPK Club RO75 Pro vs Keychron K2 Ultra

Get the NPK Club RO75 Pro for hall effect and the 6,000 mAh battery. Get the Keychron K2 Ultra for the 8,000 Hz polling rate.

Keychron K2 Ultra 8K Wireless Custom Mechanical Keyboard ISO Layout Collection

polling rate

Keychron K2 Ultra

4.0 · 4 reviews

from$119at Keychron

Shop nowCompare 3 stores

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.

NPK Club RO75 Pro

Keychron K2 Ultra

  • Hall effect (magnetic)

    Yes

    No

  • Battery

    6,000 mAh

    4,000 mAh

  • Max polling rate

    1,000 Hz

    8,000 Hz

  • Case material

    Aluminum

    ABS, Aluminum

  • Switch options

    Magnetic

    Clicky, Linear, Tactile

KeebFinder scores

How we score
  • NPK Club RO75 Pro
  • Keychron K2 Ultra
Performance
85
90
Build quality
82
86
Productivity
89
94
Customizability
86
92
Portability
92
82

What they share

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

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

NPK Club RO75 Pro

No owner reviews collected yet.

Keychron K2 Ultra

4.0

4 owner reviews

Praise
“very compact, build quality is great, and I don't even feel any latency when using the keyboard wireless.”
AnonymousVerified buyer· via Keychron
Critique
“The only "zmk" support is from the launcher itself and its missing most of the ZMK features. For example Combos!”
Juan· via Keychron

Full specs

NPK Club RO75 Pro vs Keychron K2 Ultra specs

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

14 of 27 specs differ

NPK Club RO75 Pro

Keychron K2 Ultra

Typing & switches

Switch options

Magnetic
Clicky, Linear, Tactile

Hall effect (magnetic)

Yes
No

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI, ISO, ISO-ES, ISO-FR, ISO-IT

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
8,000 HzBetter

Battery

6,000 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS, Aluminum

Plate material

FR4, Polycarbonate
Steel

Keycaps

ABS, PBT
PBT

Weight

1,680 g
1,084 g

Dimensions

20 x 316 x 136 mm
31 x 312 x 122 mm

Typing angle

8°
—

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

Yes
Yes

VIA

Yes
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2025
2026

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • VelocifireCN

    In stock
    $119Visit
  • AmazonGlobal

    Check price
    ~$119Visit
  • KeychronHK

    In stock
    $119Visit
  • MKUS

    In stock
    $119Visit
  • Keychron (DE)DE

    In stock
    $150Visit
  • AmazonGlobal

    Check price
    Visit

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