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Head to head · Prices checked Nov 8, 2026

HMX GB40 vs Royal Kludge RK61

Get the HMX GB40 for sound dampening. Get the Royal Kludge RK61 for media keys.

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Quick verdict

Which one should you get?

Get the

HMX GB40

Sound dampening

Build quality in the top 50% of 40% boards under $150.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • Compact layout only. No function row, dedicated arrow keys, or numpad.

Get the

Royal Kludge RK61

Media keys

Build quality in the bottom 20% of 60% boards under $50.

Rules this board out

  • Compact layout only. No function row, dedicated arrow keys, or 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.

HMX GB40

Royal Kludge RK61

  • Layout size

    40%

    60%

  • Connection

    Bluetooth, Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Sound dampening

    Yes

    No

  • Backlight

    RGB, south-facing

    None

    RGB for looks and low light rather than speed

  • Media keys

    No

    Yes

KeebFinder scores

How we score
  • HMX GB40
  • Royal Kludge RK61
Performance
58
56
Build quality
69
52
Productivity
57
69
Customizability
57
58
Portability
85
88

What they share

  • Hot-swappable
  • Keycaps: ABS, PBT
See every spec side by side

Full specs

HMX GB40 vs Royal Kludge RK61 specs

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

9 of 21 specs differ

HMX GB40

Royal Kludge RK61

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

Yes
No

Layout

Layout size

40%
60%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired

Battery

—
1,450 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
—

Keycaps

ABS, PBT
ABS, PBT

Weight

—
500 g

Dimensions

—
39 x 292 x 101 mm

Typing angle

6°
8°

Backlight

RGB, south-facing
None

Firmware & software

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2025
2021

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.

HMX GB402 stores

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