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Head to head · Prices checked Nov 7, 2026

Keychron K2 Pro vs Royal Kludge RK Sink87G

Get the Keychron K2 Pro for hot-swappable and the 4,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Keychron K2 Pro

Hot-swappable

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

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No numpad.

Get the

Royal Kludge RK Sink87G

Build quality in the bottom 5% of 80% boards under $100.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • No numpad.

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.

Keychron K2 Pro

Royal Kludge RK Sink87G

  • Layout size

    75%

    80%

  • Connection

    Bluetooth, Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Battery

    4,000 mAh

    1,850 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS, Aluminum, Plastic

    Plastic

KeebFinder scores

How we score
  • Keychron K2 Pro
  • Royal Kludge RK Sink87G
Performance
82
58
Build quality
90
42
Productivity
95
59
Customizability
96
49
Portability
79
67
See every spec side by side

Full specs

Keychron K2 Pro vs Royal Kludge RK Sink87G specs

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

18 of 26 specs differ

Keychron K2 Pro

Royal Kludge RK Sink87G

Typing & switches

Switch options

Clicky, Linear, Tactile
—

Hot-swappable

Yes
No

Mount style

PCB Mount, Plate Mount, Tray Mount
—

Sound dampening

Yes
No

Screw-in stabilizers

Yes
No

Layout

Layout size

75%
80%

Layout standard

ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-SW, ISO-UK, JIS
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
—

Battery

4,000 mAhBetter
1,850 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum, Plastic
Plastic

Plate material

Steel
—

Keycaps

ABS, PBT
ABS

Weight

1,070 g
1,100 g

Dimensions

25 x 317 x 122 mm
39 x 360 x 135 mm

Typing angle

5°
8°

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2022
2021

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Keychron K2 Pro

  • Keychron

    ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW

    In stockShips to you

  • Keychron (DE)

    ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW

    In stockDoes not ship to you

Royal Kludge RK Sink87G

No ISO layout at the stores we track.

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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