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Head to head · Prices checked Nov 7, 2026

Redragon FIZZ K617 vs Keychron V0 Ultra Numpad

Get the Keychron V0 Ultra Numpad for the 8,000 Hz polling rate.

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Quick verdict

Which one should you get?

Get the

Redragon FIZZ K617

Build quality in the top 50% of 60% boards under $50.

Rules this board out

  • Compact layout only. No function row, dedicated arrow keys, or numpad.

Get the

Keychron V0 Ultra Numpad

polling rate

Build quality in the top 40% of Numpad boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • Numpad only. This is not a full keyboard.

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.

Redragon FIZZ K617

Keychron V0 Ultra Numpad

  • Layout size

    60%

    Numpad

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Max polling rate

    1,000 Hz

    8,000 Hz

    Higher polling helps competitive FPS and does nothing for typing

  • Switch options

    Clicky, Linear

    Clicky, Linear, Tactile

  • Mount style

    Bottom Mount

    Gasket Mount

KeebFinder scores

How we score
  • Redragon FIZZ K617
  • Keychron V0 Ultra Numpad
Performance
71
87
Build quality
61
72
Productivity
53
87
Customizability
67
74
Portability
70
86

What they share

  • Hot-swappable
  • Case material: Plastic
See every spec side by side

Full specs

Redragon FIZZ K617 vs Keychron V0 Ultra Numpad specs

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

15 of 24 specs differ

Redragon FIZZ K617

Keychron V0 Ultra Numpad

Typing & switches

Switch options

Clicky, Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Bottom Mount
Gasket Mount

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

60%
Numpad

Layout standard

ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-IT, ISO-UK, JIS
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

LED
None

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
8,000 HzBetter

Battery

Wired only
1,800 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Plastic

Plate material

—
Polycarbonate

Keycaps

—
PBT

Weight

590 g
310 g

Dimensions

38 x 99 x 36 mm
29 x 118 x 139 mm

Typing angle

—
3°

Backlight

RGB
RGB, south-facing

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

No
Yes

Extras

Released

2021
2026

For EU buyers

ISO layouts by store

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

Redragon FIZZ K617

  • Redragon

    ISO-UK

    In stockShips to you

  • Redragon

    ISO-FR

    In stockShips to you

Keychron V0 Ultra Numpad

No ISO layout at the stores we track.

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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