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Head to head · Prices checked Nov 7, 2026

Epomaker Luma40 vs Redragon TRUNDLE K668

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Quick verdict

Which one should you get?

Get the

Epomaker Luma40

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

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • Compact layout only. No function row, dedicated arrow keys, or numpad.

Get the

Redragon TRUNDLE K668

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

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.

Epomaker Luma40

Redragon TRUNDLE K668

  • Layout size

    40%

    100%

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired, Bluetooth, 2.4 GHz

    Wireless for several devices and wired for lower latency

  • Low profile

    Yes

    No

  • Ergonomics

    Ortholinear

    Standard

  • Case material

    Aluminum

    Plastic

KeebFinder scores

How we score
  • Epomaker Luma40
  • Redragon TRUNDLE K668
Performance
74
64
Build quality
81
70
Productivity
88
73
Customizability
85
57
Portability
85
51

What they share

  • Hot-swappable
  • Sound dampening
See every spec side by side

Full specs

Epomaker Luma40 vs Redragon TRUNDLE K668 specs

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

16 of 24 specs differ

Epomaker Luma40

Redragon TRUNDLE K668

Typing & switches

Switch options

Clicky, Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Tray Mount
Bottom Mount, Gasket Mount

Low profile

Yes
No

Sound dampening

Yes
Yes

Layout

Layout size

40%
100%

Layout standard

ANSI
ANSI

Ergonomics

Ortholinear
Standard

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

1,450 mAh
—

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Plastic

Plate material

Polycarbonate
—

Keycaps

PC
ABS, PBT

Weight

410 g
880 g

Dimensions

21 x 240 x 87 mm
37 x 364 x 133 mm

Backlight

RGB, north-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2025
2023

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.

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