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[Pre-Order] STAGGERED Roly-poly 40 R3 Keyboard Kit by Niuniu

NIUNIU Roly poly 40 R3

The NIUNIU STAGGERED Rolypoly 40 R3 is a compact 40% keyboard kit designed for hobbyists who want a customizable, small form factor board with multiple connectivity options. It suits users comfortable with a staggered layout and those who value flexibility in wireless and wired use. This kit requires assembly and switch installation, appealing to builders who prefer hands-on customization.</p... Read more
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[Pre-Order] STAGGERED Roly-poly 40 R3 Keyboard Kit by Niuniu

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$109

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Compare NIUNIU Roly poly 40 R3 vs Other 0xCB Static vs Keychron C0 HE Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
NIUNIU Roly poly 40 R3Other 0xCB StaticKeychron C0 HE
67
[Pre-Order] STAGGERED Roly-poly 40 R3 Keyboard Kit by Niuniu
74
0xCB Static Keyboard Kit
62
Keychron C0 HE One Handed Magnetic Switch Gaming Keyboard
0.0 (0)
0.0 (0)
3.8 (4)
  • Has Linear switch options
  • Supports VIAL configuration
  • Uses a Top Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Made with a Aluminum case
  • Comes with a knob
  • Includes a Yes, OLED display
  • Connects via USB-C
  • Supports QMK firmware
  • Supports VIA configuration
  • Made with a Acrylic, Steel, Metal case
  • Released in 2026
  • Has Linear, Tactile, Clicky, Magnetic switch options
  • Compatible with both Mac and Windows
  • Utilizes Hall effect sensors
  • Has built-in sound dampening
  • Uses a Tray Mount mounting style
  • Runs at a 8000 Hz polling rate
  • Weighs about 450 g
  • Sized at 39 x 149 x 245 mm
  • Made with a Plastic case
  • Features ABS keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
Scores
  • Performance: 47.3
  • Build Quality: 74.5
  • Productivity: 51.6
  • Customizability: 70.9
  • Portability: 80.4
Scores
  • Performance: 47.9
  • Build Quality: 78.3
  • Productivity: 58.4
  • Customizability: 78.1
  • Portability: 62.5
Scores
  • Performance: 85.6
  • Build Quality: 57.1
  • Productivity: 58.8
  • Customizability: 59.7
  • Portability: 67.2
Name
NIUNIU Roly poly 40 R3
Name
Other 0xCB Static
Name
Keychron C0 HE
Release year
2025
Release year
2025
Release year
2026
Switch Options
Linear
Switch Options
-
Switch Options
Linear, Tactile, Clicky, Magnetic
Profile
Normal Profile
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
40%
Layout Size
40%
Layout Size
40%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
OLED
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Wired, Wired only
Connection
Wired, Wired only
Polling Rate
-
Polling Rate
-
Polling Rate
8000 Hz
Battery capacity
-
Battery capacity
-
Battery capacity
-
Hall Effect Support
 
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Top Mount
Mount Style
-
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Backlight
 
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Colors
Case Material
Aluminum
Case Material
Acrylic, Steel, Metal
Case Material
Plastic
Keycaps Material
-
Keycaps Material
-
Keycaps Material
ABS
Dimensions
-
Dimensions
-
Dimensions
39 x 149 x 245 mm
Weight
-
Weight
-
Weight
450g
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Product Description

The NIUNIU STAGGERED Rolypoly 40 R3 is a compact 40% keyboard kit designed for hobbyists who want a customizable, small form factor board with multiple connectivity options. It suits users comfortable with a staggered layout and those who value flexibility in wireless and wired use. This kit requires assembly and switch installation, appealing to builders who prefer hands-on customization.

Key Features

  • Hotswappable PCB allows easy switch changes without soldering, enabling quick customization or switch testing.
  • Multiple connection modes available: wired only, dual mode (Bluetooth and wired), and tri mode (Bluetooth, wired, and 2.4GHz wireless), offering versatile use cases from desktop to portable setups.
  • VIAL firmware support enables advanced key remapping and customization through an open-source interface.

Build Quality

  • Aluminum housing provides a sturdy and durable frame with a 9° typing angle for ergonomic comfort.
  • Includes an FR4 plate and plate-mounted stabilizers, which contribute to stable keypresses and reduce wobble.
  • Rubber feet help keep the keyboard steady on the desk during use.
  • Battery compartment cover and included lithium batteries (for wireless models) integrate neatly into the design.

Connectivity

  • Wired-only model suits users who prioritize low latency and stable connections.
  • Dual and tri mode models include batteries and wireless options, allowing flexible switching between wired and wireless use.
  • Tri mode adds a 2.4GHz dongle for potentially lower latency wireless compared to Bluetooth.

Compatibility and Layout

  • Supports staggered and WKL (winkeyless) staggered layouts, catering to users who prefer traditional key arrangements without ortholinear or split layouts.
  • Firmware support through VIAL allows compatibility with various operating systems and easy key remapping.

Trade-offs

  • As a kit, it requires assembly and sourcing switches and keycaps separately, which may not suit users seeking a ready-to-use keyboard.
  • Limited to 40% layout, which reduces key availability and may require frequent layer use, less ideal for users needing full-size functionality.
  • Unknown battery life and wireless latency specifics, which could affect wireless user experience.

Frequently Asked Questions (FAQ)

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