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Head to head · Prices checked Nov 7, 2026

Keychron K3 Max vs Nuphy Node75 High ProfileLow-Profile or MX

Choose the Keychron K3 Max for low-profile typing and QMK customization, or the Nuphy Node75 if standard full-height MX switches matter more.

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Quick verdict

Which one should you get?

Get the

Keychron K3 Max

Build quality in the top 5% of 75% boards under $100.

If you want

  • Low-profile design with a listed weight of 580 g.
  • QMK support and Keychron Launcher features for key remapping and macros.
  • Hot-swap support for low-profile Gateron and Keychron mechanical switches.

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

Nuphy Node75 High Profile

Battery

Build quality in the bottom 40% of 75% boards under $100.

If you want

  • Gasket mount with a polycarbonate plate.
  • Hot-swappable with standard full-height MX-style switch compatibility.
  • 4000 mAh battery.

Rules this board out

  • Missing ISO-UK, ISO-Nordic, ISO-SW. The other board is sold in those layouts.

Bottom line

Choose the Keychron K3 Max if you want a low-profile keyboard with QMK remapping, per-key RGB options, or a wider selection of regional layouts. Choose the Nuphy Node75 High Profile if standard full-height MX switch compatibility and a gasket mount are the deciding factors. Check layout and switch compatibility before buying, since the two boards use different switch and keycap formats.

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 Max

Nuphy Node75 High Profile

  • Battery

    1,550 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Low profile

    Yes

    No

  • Case material

    ABS, Aluminum, Plastic, Wood

    ABS

  • Switch options

    Clicky, Linear, Tactile

    Clicky, Linear

  • Mount style

    Plate Mount

    Gasket Mount

KeebFinder scores

How we score
  • Keychron K3 Max
  • Nuphy Node75 High Profile
Performance
81
61
Build quality
86
59
Productivity
94
62
Customizability
91
52
Portability
77
75

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Max polling rate: 1,000 Hz
  • Sound dampening
See every spec side by side

Best for

What will you mostly use it for?

The K3 Max leads for office work, programming, travel, and content creation based on its QMK features, low-profile build, lighter listed weight, and extra regional layouts. Gaming also leans toward the K3 Max, though both keyboards list a 1000 Hz polling rate. The Node75 is the more direct fit for switch modding with standard full-height MX compatibility and a gasket mount. Buyers who prioritize battery capacity should note the Node75's 4000 mAh battery versus 1550 mAh for the K3 Max.

For gaming

Pick the Keychron K3 Max

  • Both list a 1000 Hz polling rate, while the K3 Max vendor specifies this for 2.4 GHz and wired modes.
  • The K3 Max supports QMK remapping and macros, useful for configuring key assignments.
  • The K3 Max lists N-key rollover for wired and wireless modes.

Full specs

Keychron K3 Max vs Nuphy Node75 High Profile specs

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

18 of 27 specs differ

Keychron K3 Max

Nuphy Node75 High Profile

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear

Hot-swappable

Yes
Yes

Mount style

Plate Mount
Gasket Mount

Low profile

Yes
No

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI, ISO, ISO-DE, ISO-Nordic, ISO-SW, ISO-UK
ANSI, ISO, ISO-DE

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
1,000 Hz

Battery

1,550 mAh
4,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum, Plastic, Wood
ABS

Plate material

Aluminum, Plastic, Polycarbonate
Polycarbonate

Keycaps

ABS, PBT
PBT

Weight

580 g
827 g

Dimensions

22 x 306 x 116 mm
19 x 318 x 141 mm

Typing angle

3°, 7°
—

Backlight

RGB, north-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2023
2025

For EU buyers

ISO layouts by store

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

Keychron K3 Max

  • Input Gear

    ISO-DE

    Out of stockShips to you

  • Keychron

    ISO-DE, ISO-UK, ISO-Nordic, ISO-SW

    Out of stockShips to you

  • Keychron (DE)

    ISO-DE, ISO-UK, ISO-SW

    In stockDoes not ship to you

Nuphy Node75 High Profile

  • Input Gear

    ISO-DE

    Out of stockShips to you

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

Keychron K3 Max vs Nuphy Node75 High Profile: your questions

The K3 Max is a low-profile keyboard with QMK support and low-profile switch compatibility. The Node75 is high-profile, uses a gasket mount, and supports standard full-height MX-style switches.

No, the K3 Max compatibility rules specify low-profile switches and keycaps only. Standard MX keycaps will not fit.

Yes, its vendor listing describes hot-swap support for standard full-height MX-style switches. The K3 Max hot-swap version is limited to low-profile Gateron and Keychron mechanical switches.

The Keychron K3 Max lists QMK support, and Keychron describes using its Launcher web app for remapping keys and macros. QMK support is not listed for the Nuphy Node75.

The Nuphy Node75 has a listed 4000 mAh battery, while the Keychron K3 Max lists 1550 mAh. Battery capacity alone does not establish how long either keyboard will last in a particular setup.

Both list Bluetooth and 2.4 GHz wireless connections, as well as wired connectivity. The K3 Max vendor describes Bluetooth pairing with up to three devices.

The Keychron K3 Max is listed at 580 g, compared with 827 g for the Nuphy Node75. The K3 Max also has the smaller listed length and width.

The Keychron K3 Max lists ISO-UK, ISO-DE, ISO-Nordic, ISO-SW, and other ISO options. The Node75 lists ANSI, ISO-DE, and ISO, but its compatibility rules exclude ISO-UK, ISO-Nordic, and ISO-SW.

Yes, both list hot-swap support. The K3 Max uses low-profile mechanical switches, while the Node75 supports standard full-height MX-style switches.

The Nuphy Node75 lists a gasket mount and a polycarbonate plate. The Keychron K3 Max lists a plate mount and supports aluminum, plastic, or polycarbonate plates.

The K3 Max has north-facing LEDs, and its compatibility rules warn that Cherry-profile keycaps can hit the switch housing. Low-profile keycap compatibility is also required.

Keychron describes per-key RGB customization for the K3 Max, along with multiple RGB lighting settings. The Node75 lists RGB backlighting, but per-key customization is not specified in its product details.

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