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Head to head · Prices checked Oct 28, 2026

Epomaker Luma40 vs PromoType Arterlier Lin Curve Pack

Get the Epomaker Luma40 for hot-swappable and qmk.

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Quick verdict

Which one should you get?

Get the

Epomaker Luma40

Hot-swappable

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.

Get the

PromoType Arterlier Lin Curve Pack

Build quality in the bottom 5% of 40% boards under $150.

Rules this board out

  • Switches are soldered. Swapping them means soldering.

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

PromoType Arterlier Lin Curve Pack

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Low profile

    Yes

    No

  • Ergonomics

    Ortholinear

    Standard

  • 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
  • Epomaker Luma40
  • PromoType Arterlier Lin Curve Pack
Performance
75
43
Build quality
80
42
Productivity
88
40
Customizability
86
40
Portability
87
61

What they share

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

Full specs

Epomaker Luma40 vs PromoType Arterlier Lin Curve Pack specs

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

11 of 24 specs differ

Epomaker Luma40

PromoType Arterlier Lin Curve Pack

Typing & switches

Switch options

Clicky, Linear
—

Hot-swappable

Yes
No

Mount style

Tray Mount
—

Low profile

Yes
No

Sound dampening

Yes
No

Layout

Layout size

40%
40%

Layout standard

ANSI
ANSI

Ergonomics

Ortholinear
Standard

Display

None
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
—

Max polling rate

1,000 Hz
—

Battery

1,450 mAh
—

USB-C

Yes
No

Build & materials

Case material

Aluminum
—

Plate material

Polycarbonate
—

Keycaps

PC
PC

Weight

410 g
—

Dimensions

21 x 240 x 87 mm
—

Backlight

RGB, north-facing
None

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2025
2026

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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