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Head to head · Prices checked Nov 11, 2026

Skyloong GK61 Pro vs MMD KM40

Get the Skyloong GK61 Pro for the 4,000 mAh battery and knob.

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Quick verdict

Which one should you get?

Get the

Skyloong GK61 Pro

Battery

Build quality in the top 20% of 60% boards under $100.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • Compact layout only. No function row, dedicated arrow keys, or numpad.
$69 at Skyloong

Get the

MMD KM40

Build quality in the top 10% of 40% boards under $150.

Rules this board out

  • Compact layout only. No function row, dedicated arrow keys, or numpad.
$84 at MonacoKeys

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.

Skyloong GK61 Pro

MMD KM40

  • Layout size

    60%

    40%

  • Battery

    4,000 mAh

    2,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS, Aluminum

    Aluminum

  • Switch options

    Linear

    Linear, Tactile

  • Knob

    Yes

    No

KeebFinder scores

How we score
  • Skyloong GK61 Pro
  • MMD KM40
Performance
77
60
Build quality
77
82
Productivity
69
69
Customizability
88
83
Portability
84
84

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • QMK
  • VIA
  • Keycaps: PBT
See every spec side by side

Full specs

Skyloong GK61 Pro vs MMD KM40 specs

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

11 of 22 specs differ

Skyloong GK61 Pro

MMD KM40

Typing & switches

Switch options

Linear
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

60%
40%

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

Battery

4,000 mAhBetter
2,000 mAh

USB-C

No
Yes

Build & materials

Case material

ABS, Aluminum
Aluminum

Plate material

—
Polycarbonate

Keycaps

PBT
PBT

Weight

—
620 g

Backlight

RGB, north-facing
RGB

Firmware & software

QMK

Yes
Yes

VIA

Yes
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2023
2026

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.

Skyloong GK61 Pro2 stores
MMD KM402 stores

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