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Head to head · Prices checked Nov 13, 2026

MMD KM40 vs Redragon URANUS K737 Pro

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Quick verdict

Which one should you get?

Get the

MMD KM40

QMK

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.

Get the

Redragon URANUS K737 Pro

Build quality in the top 20% of 80% 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.

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.

MMD KM40

Redragon URANUS K737 Pro

  • Layout size

    40%

    80%

  • Switch options

    Linear, Tactile

    Linear

  • Weight

    620 g

    2,020 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    Yes

    No

    The deep option when you want to remap every key

  • VIA

    Yes

    No

    GUI remapping without compiling firmware

KeebFinder scores

How we score
  • MMD KM40
  • Redragon URANUS K737 Pro
Performance
60
75
Build quality
82
77
Productivity
69
87
Customizability
83
68
Portability
83
71

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Case material: Aluminum
  • Mount style: Gasket Mount
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

MMD KM40 vs Redragon URANUS K737 Pro specs

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

10 of 24 specs differ

MMD KM40

Redragon URANUS K737 Pro

Typing & switches

Switch options

Linear, Tactile
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

40%
80%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

2,000 mAh
—

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

Polycarbonate
—

Keycaps

PBT
PBT

Weight

620 g
2,020 g

Dimensions

—
41 x 367 x 146 mm

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2026
2025

Where to buy

Compare prices

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

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MMD KM402 stores

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