Head to head · Prices checked Nov 7, 2026

HMX GB40 vs Chilkey ND75 LP

Get the Chilkey ND75 LP for hall effect.

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HMX GB40

from$130at MK

Compare 2 stores

Hall effect

Chilkey ND75 LP

from$109at MK

Compare 2 stores

Quick verdict

Which one should you get?

Get the

HMX GB40

Build quality in the top 50% of 40% boards under $150.

Rules this board out

South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Compact layout only. No function row, dedicated arrow keys, or numpad.

$130 at MK

Get the

Chilkey ND75 LP

Hall effect

Build quality in the top 30% of 75% boards under $150.

Rules this board out

Magnetic switches only. Standard MX switches will not fit.
Low-profile switches and keycaps only. Standard MX keycaps will not fit.
South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
No numpad.

$109 at MK

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.

HMX GB40

Chilkey ND75 LP

Layout size
40%
75%
Hall effect (magnetic)
No
Yes
Adjustable actuation helps in games and not in normal typing
Connection
Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired
Wireless for several devices and wired for lower latency
Low profile
No
Yes
Mount style
Gasket Mount
Plate Mount

KeebFinder scores

How we score

HMX GB40
Chilkey ND75 LP

Performance: 58
82
Build quality: 69
74
Productivity: 57
87
Customizability: 57
74
Portability: 85
82

What they share

Hot-swappable
Case material: Aluminum
Sound dampening

See every spec side by side

Full specs

HMX GB40 vs Chilkey ND75 LP specs

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

12 of 22 specs differ

Spec

HMX GB40

Chilkey ND75 LP

Typing & switches

Hall effect (magnetic)

Yes

Hot-swappable

Yes

Mount style

Gasket Mount

Plate Mount

Low profile

Yes

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

40%

75%

Layout standard

ANSI

Ergonomics

Standard

Display

None

Yes

Connectivity & battery

Connection

Bluetooth, Wired

Bluetooth, 2.4 GHz, Wired

Max polling rate

—

1,000 Hz

Battery

—

3,600 mAh

USB-C

Yes

Build & materials

Case material

Aluminum

Plate material

—

FR4

Keycaps

ABS, PBT

PBT

Typing angle

6°

7°

Backlight

RGB, south-facing

Firmware & software

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2025

2024

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.

HMX GB402 stores