Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Nov 7, 2026

Durgod S230 vs MMD KM40

Get the Durgod S230 for rapid trigger. Get the MMD KM40 for hot-swappable.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Quick verdict

Which one should you get?

Get the

Durgod S230

Rapid trigger

Build quality in the bottom 10% of 65% boards under $150.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • 65% layout. No function row and no numpad.

Get the

MMD KM40

Hot-swappable

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.

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.

Durgod S230

MMD KM40

  • Layout size

    65%

    40%

  • Rapid trigger

    Yes

    No

    Faster resets help in games and not in normal typing

  • Connection

    Bluetooth, 2.4 GHz

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Low profile

    Yes

    No

KeebFinder scores

How we score
  • Durgod S230
  • MMD KM40
Performance
40
61
Build quality
41
82
Productivity
41
69
Customizability
40
83
Portability
83
84

What they share

  • Battery: 2,000 mAh
  • Case material: Aluminum
See every spec side by side

Full specs

Durgod S230 vs MMD KM40 specs

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

12 of 22 specs differ

Durgod S230

MMD KM40

Typing & switches

Switch options

—
Linear, Tactile

Rapid trigger

Yes
No

Hot-swappable

No
Yes

Mount style

—
Gasket Mount

Low profile

Yes
No

Sound dampening

No
Yes

Layout

Layout size

65%
40%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz
Bluetooth, 2.4 GHz, Wired

Battery

2,000 mAh
2,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

—
Polycarbonate

Keycaps

ABS
PBT

Weight

740 g
620 g

Dimensions

30 x 132 x 337 mm
—

Backlight

None
RGB

Firmware & software

QMK

No
Yes

VIA

No
Yes

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.

Durgod S2302 stores
MMD KM402 stores

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.