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Head to head · Prices checked Nov 10, 2026

Redragon FIZZ K617 vs UCAL K67360% Wired vs 75% Wireless

Choose the FIZZ K617 for a budget-friendly, ultra-compact wired experience, or the UCAL K673 for a larger layout with tri-mode wireless connectivity.

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Quick verdict

Which one should you get?

Get the

Redragon FIZZ K617

60% Wired

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

If you want

  • Extremely compact 60% layout maximizes desk space for mouse movement.
  • Very affordable price point for a hot-swappable mechanical keyboard.
  • Hot-swappable sockets support both 3-pin and 5-pin switches.

Rules this board out

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

Get the

Redragon UCAL K673

75% Wireless

Build quality in the bottom 35% of 75% boards under $100.

If you want

  • Tri-mode connectivity (wired, Bluetooth, 2.4GHz) for flexible use across devices.
  • 75% layout retains arrow keys and some navigation keys in a compact form.
  • Includes a control knob for media and lighting adjustment.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • No numpad.

Bottom line

Your primary need dictates the choice. If your budget is tight, you play FPS games requiring maximum mouse space, or you simply want the smallest possible keyboard, the wired Redragon FIZZ K617 is the clear pick. If you need arrow keys, value wireless connectivity for a clean desk or multi-device use, and want features like a control knob and pre-installed sound dampening, the Redragon UCAL K673 is worth the higher cost.

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

Redragon UCAL K673

  • Layout size

    60%

    75%

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Mount style

    Bottom Mount

    Gasket Mount

  • Knob

    No

    Yes

KeebFinder scores

How we score
  • Redragon FIZZ K617
  • Redragon UCAL K673
Performance
70
62
Build quality
61
57
Productivity
53
63
Customizability
67
54
Portability
70
73

What they share

  • Max polling rate: 1,000 Hz
  • Case material: Plastic
See every spec side by side

Best for

What will you mostly use it for?

The FIZZ K617 wins for dedicated gaming and travel due to its ultra-compact, wired design. The UCAL K673 is the stronger choice for office work, programming, and content creation, offering a more functional layout, wireless freedom, and a control knob. For modding, both offer a solid hot-swap foundation, making it a tie.

For gaming

Pick the Redragon FIZZ K617

  • The 60% layout is marketed by Redragon as being dedicated for FPS gamers to maximize mouse space.
  • Its lighter weight (590g) may be easier to reposition quickly.
  • Wired-only connectivity provides a consistent connection without potential wireless interference.

Full specs

Redragon FIZZ K617 vs UCAL K673 specs

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

13 of 20 specs differ

Redragon FIZZ K617

Redragon UCAL K673

Typing & switches

Switch options

Clicky, Linear
—

Hot-swappable

Yes
No

Mount style

Bottom Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

60%
75%

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

Media keys

No
Yes

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
1,000 Hz

Battery

Wired only
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Plastic

Weight

590 g
1,240 g

Dimensions

38 x 99 x 36 mm
104 x 335 mm

Backlight

RGB
RGB

Firmware & software

N-key rollover

Yes
No

Extras

Released

2021
2025

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

Redragon UCAL K673

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.

FAQ

Redragon FIZZ K617 vs UCAL K673: your questions

The Redragon FIZZ K617 is better for a very small desk. Its 60% layout measures 38 x 99 mm, which is significantly smaller than the UCAL K673's 75% layout at 104 x 335 mm. The FIZZ K617's design is specifically marketed for saving mouse space.

Yes, the Redragon UCAL K673 supports tri-mode connectivity. According to the product listing, you can connect via USB-C cable, Bluetooth 3.0/5.0, and a 2.4GHz wireless dongle, allowing you to switch between different computers or devices.

Yes, both the FIZZ K617 and the UCAL K673 feature hot-swappable sockets. The FIZZ K617's product page specifies compatibility with both 3-pin and 5-pin switches, allowing for easy switch replacement without soldering.

The Redragon UCAL K673 is designed to be quieter. Its vendor description details sound dampening that includes 3.5mm PO foam and a thick silicone pad under the PCB to minimize noise and resonance, making it more suitable for shared office environments.

Yes, the Redragon FIZZ K617 comes with a detachable USB Type-C cable. This is listed in the package contents, making it easier to replace the cable or for transportation.

The Redragon UCAL K673 is equipped with a 4000mAh battery. The manufacturer states this is for long-lasting use without frequent charging, making it suitable for extended wireless gaming or work sessions.

The UCAL K673 is generally better for programming due to its 75% layout. It retains dedicated arrow keys and some navigation keys, which are frequently used in coding, reducing the need to memorize and use function layer combinations required on the 60% FIZZ K617.

Both keyboards support software customization. The FIZZ K617 listing mentions 'Pro Software Customizable' for macros and lighting. The UCAL K673 specifications also list software support for adjustments.

A key difference is the mounting style. The FIZZ K617 uses a standard bottom mount, while the UCAL K673 uses a gasket mount. Gasket mount designs, like that in the K673, often provide a more flexible and softer typing feel, which is complemented by its internal sound-dampening foams.

According to its package contents, the UCAL K673 includes the keyboard, a detachable USB Type-C cable, a keycap and switch puller, spare switches, and a user manual. This provides immediate tools for basic modding.

Yes, the FIZZ K617 is a strong candidate for travel. It is very lightweight at 590g and has a tiny 60% footprint, making it easy to pack. Since it is wired-only, you don't need to worry about charging it while on the go.

Yes, the UCAL K673 features a 'ONE-Knob' control. The manufacturer states this knob allows for easy adjustment of background lighting brightness, volume, and media playback (play/pause) without needing to use additional key combinations.

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