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

Head to head · Prices checked Nov 12, 2026

Keychron K3 Ultra vs Nuphy Node Series Low profile

Get the Keychron K3 Ultra for hot-swappable and qmk.

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

Keychron K3 Ultra

Hot-swappable

Build quality in the top 30% 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.
$109 at MK

Get the

Nuphy Node Series Low profile

Build quality in the bottom 10% of 75% boards under $100.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • 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.
$100 at Nuphy

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 K3 Ultra

Nuphy Node Series Low profile

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Switch options

    Clicky, Linear, Tactile

    Low-profile Mechanical

  • QMK

    Yes

    No

    The deep option when you want to remap every key

  • VIA

    Yes

    No

    GUI remapping without compiling firmware

  • Sound dampening

    Yes

    No

KeebFinder scores

How we score
  • Keychron K3 Ultra
  • Nuphy Node Series Low profile
Performance
86
58
Build quality
75
42
Productivity
89
46
Customizability
86
45
Portability
82
68

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Low profile
See every spec side by side

Full specs

Keychron K3 Ultra vs Nuphy Node Series Low profile specs

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

10 of 21 specs differ

Keychron K3 Ultra

Nuphy Node Series Low profile

Typing & switches

Switch options

Clicky, Linear, Tactile
Low-profile Mechanical

Hot-swappable

Yes
No

Mount style

Plate Mount
—

Low profile

Yes
Yes

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI, ISO
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

8,000 Hz
—

Battery

2,600 mAh
—

USB-C

Yes
No

Build & materials

Case material

ABS, Wood
—

Plate material

Aluminum
—

Keycaps

PBT
—

Backlight

RGB, north-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

Mac & Windows

Yes
No

Extras

Released

2026
2025

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.

Keychron K3 Ultra4 stores
Nuphy Node Series Low profile2 stores

For EU buyers

ISO layouts by store

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

Keychron K3 Ultra

Nuphy Node Series Low profile

No ISO layout at the stores we track.

Keep exploring

Not sold on either?

Still torn?

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

Find my keyboardBrowse all keyboards