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Head to head · Prices checked Oct 28, 2026

Redragon DITI K585 vs MMD KM40

Get the MMD KM40 for hot-swappable.

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MMD KM40 - 40% Wireless Aluminium Keyboard

Hot-swappable

MMD KM40

5.0 · 4 reviews

from$84at MonacoKeys

Quick verdict

Which one should you get?

Get the

Redragon DITI K585

Build quality in the bottom 20% of 40% boards under $150.

Rules this board out

  • Switches are soldered. Swapping them means soldering.

Get the

MMD KM40

Hot-swappable

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

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.

Redragon DITI K585

MMD KM40

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Case material

    Plastic

    Aluminum

  • Switch options

    Clicky, Linear, Tactile

    Linear, Tactile

  • Mount style

    Bottom Mount

    Gasket Mount

KeebFinder scores

How we score
  • Redragon DITI K585
  • MMD KM40
Performance
57
61
Build quality
46
83
Productivity
49
69
Customizability
48
84
Portability
66
84

What they share

  • Layout size: 40%
See every spec side by side

Full specs

Redragon DITI K585 vs MMD KM40 specs

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

11 of 20 specs differ

Redragon DITI K585

MMD KM40

Typing & switches

Switch options

Clicky, Linear, Tactile
Linear, Tactile

Hot-swappable

No
Yes

Mount style

Bottom Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

40%
40%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Battery

Wired only
2,000 mAh

USB passthrough

Yes
No

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Aluminum

Plate material

—
Polycarbonate

Keycaps

—
PBT

Weight

610 g
620 g

Backlight

RGB
RGB

Firmware & software

QMK

No
Yes

VIA

No
Yes

Extras

Released

2019
2026

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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