NIUNIUReleased 2025

@40

79/100
Strong value
Overall score · how we rate
40% ANSIHot-swappableHall-effectQMK / VIAWireless

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Independent score · no sponsored placement
Price checked across retailers daily

Why we rate it

  • Class-leading portability (83/100)
  • Class-leading productivity (81/100)
  • Hot-swappable switches
  • First-class QMK / VIA firmware
  • Performance is the weak point (47/100)
Score profile

Where the @40 wins and loses

Six weighted axes · the shape tells the story
BuildCustom.Perform.Productiv.Portab.Overall807547818378
Build quality
80
Customisability
75
Performance
47
Productivity
81
Portability
83
Overall
78
Full specification

Specifications

Grouped · supported features marked in blue

Layout

Layout size40
StandardANSI
ProfileLow
ErgonomicsOrtholinear
Volume knobYes
OLED / LCD screenYes

Switches & feel

Hot-swappableYes
Screw-in stabilisersYes
Sound dampeningYes
Hall-effect / magneticYes
Rapid triggerYes

Connectivity & firmware

ConnectionWireless + wired
USB-CYes
N-key rolloverYes
QMKYes
VIAYes
VIALYes
Mac & WindowsYes
Multi-media keysYes

Build

Case materialAluminum
BacklightYes
ColourwaysYes

More specs

Low ProfileYes
Passthrough UsbYes

Watch it in action

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Head to head

@40 vs Weikav STARS80 V2

Highlighted cell = better in that row
BuildCustom.Perform.Productiv.Portab.Overall
@40STARS80 V2
 NIUNIU@40This pageWeikavSTARS80 V2
Overall score78 /10080 /100Better
Build quality80 /100Better79 /100
Performance47 /10054 /100Better
ConnectionWireless + wiredWireless + wired
Polling rate
Mount typeGasket MountBetter
Case materialAluminumAluminum
Hot-swappableYesYes
QMK / VIAYesYes