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Head to head · Prices checked Oct 21, 2026

HMX GB40 vs PBTfans Agar Mini

Get the PBTfans Agar Mini for screw-in stabilizers.

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

PBTfans Agar Mini

  • Connection

    Bluetooth, Wired

    Bluetooth

  • Case material

    Aluminum

    Aluminum, Polycarbonate

  • Keycaps

    ABS, PBT

    PBT

  • Screw-in stabilizers

    No

    Yes

  • Backlight

    RGB, south-facing

    None

KeebFinder scores

How we score
  • HMX GB40
  • PBTfans Agar Mini
Performance
58
43
Build quality
69
71
Productivity
57
61
Customizability
57
52
Portability
84
81

What they share

  • Layout size: 40%
  • Hot-swappable
  • Mount style: Gasket Mount
  • Sound dampening
See every spec side by side

Full specs

HMX GB40 vs PBTfans Agar Mini specs

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

8 of 17 specs differ

HMX GB40

PBTfans Agar Mini

Typing & switches

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

40%
40%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth

Battery

—
300 mAh

USB-C

Yes
No

Build & materials

Case material

Aluminum
Aluminum, Polycarbonate

Plate material

—
Aluminum, CarbonFiber, FR4, Polycarbonate

Keycaps

ABS, PBT
PBT

Typing angle

6°
9°

Backlight

RGB, south-facing
None

Extras

Released

2025
2026

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

HMX GB402 stores
  • AmazonGlobal

    Check price
    ~$130Visit
  • MKUS

    Out of stock
    $130Visit
  • KBDfansCN

    In stock
    $216Visit
  • AmazonGlobal

    Check price
    ~$216Visit

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.

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