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Comparison

Keychron K2 Max vs NuPhy Air75 V3

K2 Max is a regular-height 75% QMK board from ~$125. Air75 V3 is a low-profile travel 75% often near $140.

By PickedTech Editorial TeamLast updated Prices & specs checked Oct 2026

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How this page was made: this is a research-based guide built from manufacturer spec pages, official prices and published lab measurements from the outlets we name and link. We haven’t tested these products ourselves, and we don’t invent scores. Our methodology.

Quick answer

Choose Keychron K2 Max ($124.99) if you want regular keycap height, you remap with QMK/VIA or you found K2 Max near $100. Choose NuPhy Air75 V3 ($139.95) if you want low-profile travel keys, you type next to a laptop daily or you prefer NuPhy’s switch lineup.

Last updated Prices checked Oct 2026

Check Keychron K2 Max price (opens in a new tab)Check NuPhy Air75 V3 price (opens in a new tab)

Key facts at a glance

Key facts (prices checked Oct 2026)
Keychron K2 MaxNuPhy Air75 V3
Regular price$124.99~$139.95
ProfileRegular heightLow-profile
Layout75% (84 keys)75% low-profile
FirmwareQMK / VIA classNuPhy software / wireless stack
Best forDesk mechanical feelPortable slim typing

Two popular wireless 75% boards: Keychron’s K2 Max (regular keycaps, QMK/VIA) and NuPhy’s Air75 V3 (low-profile). Prices from Keychron/NuPhy/Amazon checks around October 2026. Not a sound-signature lab test. Also see K2 Max vs Q1 Max.

Choose K2 Max if you want regular-height keys, gasket/foam tuning and QMK at about $124.99 list (often ~$100 on sale). Choose Air75 V3 if you want a slim low-profile board for laptop-like typing on the go (~$140).

Keychron K2 Max
NuPhy Air75 V3

Keychron K2 Max vs NuPhy Air75 V3: side-by-side

K2 Max vs Air75 V3 (Oct 2026)
Keychron K2 MaxNuPhy Air75 V3
Regular price$124.99~$139.95
ProfileRegular heightLow-profile
Layout75% (84 keys)75% low-profile
FirmwareQMK / VIA classNuPhy software / wireless stack
Best forDesk mechanical feelPortable slim typing

How much do they cost?

Keychron K2 Max plans

Keychron K2 Max
ItemDetail
List$124.99
StreetOften ~$100 on Amazon sales

NuPhy Air75 V3 plans

NuPhy Air75 V3
ItemDetail
Typical~$139.95
NotesSwitch options change price

What are the pros and cons?

Keychron K2 Max: pros

  • QMK/VIA flexibility
  • Regular mechanical feel
  • Strong value on sale

Keychron K2 Max: cons

  • Thicker to travel with
  • Heavier than Air75

NuPhy Air75 V3: pros

  • Low-profile portability
  • Laptop-like height
  • Clean aesthetic

NuPhy Air75 V3: cons

  • Not a regular-height mech feel
  • Slightly higher typical price

Which should you choose: Keychron K2 Max or NuPhy Air75 V3?

Desk typists who want classic mech height should take the K2 Max. Commuters who want the board to sit closer to a MacBook keyboard height should take the Air75 V3. Budget boards under $100 live on mechanical keyboards under $100.

Choose Keychron K2 Max if…

  • You want regular keycap height
  • You remap with QMK/VIA
  • You found K2 Max near $100
Check Keychron K2 Max price (opens in a new tab)

Choose NuPhy Air75 V3 if…

  • You want low-profile travel keys
  • You type next to a laptop daily
  • You prefer NuPhy’s switch lineup
Check NuPhy Air75 V3 price (opens in a new tab)

Frequently asked questions

Is Air75 V3 lower than K2 Max?
Yes — Air75 V3 is a low-profile design; K2 Max uses regular-height keycaps and switches.
Which is better for Mac?
Both support macOS layouts/layers. Keychron ships easy Mac key legends on many SKUs; NuPhy likewise offers Mac-friendly kits.
QMK on NuPhy?
NuPhy’s Air lineup uses its own wireless stack/software more than Keychron’s QMK/VIA story — check the specific V3 firmware notes if open-source remapping is mandatory.

Sources

Pricing and plan details were checked on the official pages below as of Oct 2026. Vendors change prices, credits and plan names often, and some show regional pricing at checkout, so confirm on the vendor’s site before you buy.

  1. Keychron K2 Max (keychron.com)
  2. NuPhy Air75 V3 (nuphy.com)
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