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Head to head · Prices checked Nov 9, 2026

Cannonkeys Bullet Train V4N4G0N vs Keychron K3 V2

Get the Cannonkeys Bullet Train V4N4G0N for qmk.

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Quick verdict

Which one should you get?

Get the

Cannonkeys Bullet Train V4N4G0N

QMK

Build quality in the top 25% of 40% boards under $200.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • Compact layout only. No function row, dedicated arrow keys, or numpad.

Get the

Keychron K3 V2

Build quality in the bottom 50% of 75% 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.
  • No 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.

Cannonkeys Bullet Train V4N4G0N

Keychron K3 V2

  • Layout size

    40%

    75%

  • Case material

    Aluminum

    Aluminum, Plastic

  • Mount style

    Gasket Mount

    Tray Mount

  • Display

    LED

    None

    A case display rather than a typing feature

  • QMK

    Yes

    No

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • Cannonkeys Bullet Train V4N4G0N
  • Keychron K3 V2
Performance
62
63
Build quality
82
65
Productivity
78
66
Customizability
85
68
Portability
88
80

What they share

  • Connection: Bluetooth, Wired
  • Hot-swappable
  • Low profile
See every spec side by side

Full specs

Cannonkeys Bullet Train V4N4G0N vs Keychron K3 V2 specs

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

9 of 21 specs differ

Cannonkeys Bullet Train V4N4G0N

Keychron K3 V2

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Tray Mount

Low profile

Yes
Yes

Sound dampening

Yes
No

Layout

Layout size

40%
75%

Layout standard

—
ANSI, ISO, ISO-DE, ISO-ES, ISO-Nordic, ISO-UK, JIS

Ergonomics

Standard
Standard

Display

LED
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, Wired

Max polling rate

1,000 Hz
—

Battery

—
1,550 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum, Plastic

Plate material

FR4
—

Keycaps

—
ABS

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2026
2020

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Cannonkeys Bullet Train V4N4G0N

No ISO layout at the stores we track.

Keychron K3 V2

  • Keychron

    ISO-ES

    Out of stockShips to you

  • Keychron

    ISO-UK

    Out of stockShips to you

  • Keychron

    ISO-DE

    Out of stockShips to you

  • Keychron

    ISO-Nordic

    Out of stockShips to you

  • Keychron (DE)

    ISO-DE

    In stockDoes not ship to you

  • Keychron (DE)

    ISO-ES

    Out of stockDoes not ship to you

  • Keychron (DE)

    ISO-UK

    Out of stockDoes not ship to you

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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