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Head to head · Prices checked Nov 10, 2026

Keychron Q3 Max Side Print vs PBTfans Agar Mini

Get the Keychron Q3 Max Side Print for the 4,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Keychron Q3 Max Side Print

Battery

Build quality in the top 10% of 80% boards under $300.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No numpad.

Get the

PBTfans Agar Mini

Build quality in the bottom 50% of 40% boards under $300.

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.

Keychron Q3 Max Side Print

PBTfans Agar Mini

  • Layout size

    80%

    40%

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Bluetooth

    Wireless for several devices and wired for lower latency

  • Battery

    4,000 mAh

    300 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum

    Aluminum, Polycarbonate

  • Mount style

    PCB Mount

    Gasket Mount

KeebFinder scores

How we score
  • Keychron Q3 Max Side Print
  • PBTfans Agar Mini
Performance
74
43
Build quality
82
70
Productivity
98
60
Customizability
90
52
Portability
78
81

What they share

  • Hot-swappable
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

Keychron Q3 Max Side Print vs PBTfans Agar Mini specs

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

13 of 23 specs differ

Keychron Q3 Max Side Print

PBTfans Agar Mini

Typing & switches

Switch options

Linear, Tactile
—

Hot-swappable

Yes
Yes

Mount style

PCB Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
Yes

Layout

Layout size

80%
40%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth

Max polling rate

1,000 Hz
—

Battery

4,000 mAhBetter
300 mAh

USB-C

Yes
No

Build & materials

Case material

Aluminum
Aluminum, Polycarbonate

Plate material

Polycarbonate
Aluminum, CarbonFiber, FR4, Polycarbonate

Keycaps

PBT
PBT

Typing angle

—
9°

Backlight

RGB, south-facing
None

Firmware & software

QMK

Yes
No

VIA

Yes
No

Mac & Windows

Yes
No

Extras

Released

2024
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.

Lowest price across stores, Amazon excluded.

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