Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Nov 7, 2026

Nuphy Air75 V3 Moonbow Edition vs Redragon UCAL K673 Pro

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Quick verdict

Which one should you get?

Get the

Nuphy Air75 V3 Moonbow Edition

Build quality in the top 35% 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.

Get the

Redragon UCAL K673 Pro

Build quality in the bottom 45% of 75% boards under $100.

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

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.

Nuphy Air75 V3 Moonbow Edition

Redragon UCAL K673 Pro

  • Low profile

    Yes

    No

  • Case material

    ABS, Aluminum

    Plastic

  • Switch options

    Low-profile 3.0

    Linear

  • Display

    LED

    None

    A case display rather than a typing feature

  • Weight

    724 g

    1,200 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Nuphy Air75 V3 Moonbow Edition
  • Redragon UCAL K673 Pro
Performance
78
65
Build quality
74
62
Productivity
84
69
Customizability
79
58
Portability
82
75

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 4,000 mAh
  • Mount style: Gasket Mount
  • Knob
See every spec side by side

Full specs

Nuphy Air75 V3 Moonbow Edition vs Redragon UCAL K673 Pro specs

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

12 of 25 specs differ

Nuphy Air75 V3 Moonbow Edition

Redragon UCAL K673 Pro

Typing & switches

Switch options

Low-profile 3.0
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Low profile

Yes
No

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

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

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

LED
None

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
—

Battery

4,000 mAh
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
Plastic

Plate material

Polycarbonate
—

Keycaps

PBT
PBT

Weight

724 g
1,200 g

Dimensions

13 x 319 x 129 mm
37 x 335 x 37 mm

Typing angle

10°
—

Backlight

RGB, north-facing
RGB

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2026
2023

For EU buyers

ISO layouts by store

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

Nuphy Air75 V3 Moonbow Edition

Listed on the product, not split by store: ISO-DE, ISO-UK, ISO-FR.

Redragon UCAL K673 Pro

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.

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.