NIUNIU @40 vs Rolypoly 40 R3: Low-Profile vs Traditional Ortho

Compare NIUNIU @40 vs ORTHO Roly poly 40 R3 Differences Side by Side

This comparison is for enthusiasts deciding between two 40% ortholinear kits from NIUNIU. The choice is difficult because both share core features like hot-swap PCBs, VIAL support, and multiple connectivity options. The decision hinges on your preference for a low-profile chassis with a 12.5mm front height versus a standard profile with a 9-degree angle, and the different stabilizer and accessory kits included.

Model
Rating	4.5 stars (4 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Features a low-profile design Connects via USB-C Includes screw-in stabilizers Has built-in sound dampening	Uses a Top Mount mounting style
Score	Scores Performance: 46.6 Build Quality: 80.4 Productivity: 80.7 Customizability: 75.4 Portability: 83	Scores Performance: 47.5 Build Quality: 74.4 Productivity: 57 Customizability: 71.1 Portability: 80.2
Name	Name NIUNIU @40	Name NIUNIU ORTHO Roly poly 40 R3
Release year	Release year 2025	Release year 2025
Switch Options	Switch Options -	Switch Options -
Profile	Profile Low Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 40%	Layout Size 40%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Ortholinear	Layout Ergonomics Ortholinear
Knob Support	Knob Support	Knob Support
Display Support	Display Support	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	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate -
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	Mount Style -	Mount Style Top Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight	Backlight
Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum	Case Material Aluminum
Keycaps Material	Keycaps Material -	Keycaps Material -
Dimensions	Dimensions -	Dimensions -
Weight	Weight -	Weight -

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

Select a keyboard to compare

4.5 stars (4 reviews)

0.0 stars (0 reviews)

Features a low-profile design
Connects via USB-C
Includes screw-in stabilizers
Has built-in sound dampening

Uses a Top Mount mounting style

Scores

Performance: 46.6
Build Quality: 80.4
Productivity: 80.7
Customizability: 75.4
Portability: 83

Scores

Performance: 47.5
Build Quality: 74.4
Productivity: 57
Customizability: 71.1
Portability: 80.2

Name

NIUNIU @40

Name

NIUNIU ORTHO Roly poly 40 R3

Release year

2025

Release year

2025

Switch Options

Profile

Low Profile

Profile

Normal Profile

Hot Swappable

Layout Size

40%

Layout Size

40%

Layout Standard

ANSI

Layout Standard

ANSI

Layout Ergonomics

Ortholinear

Layout Ergonomics

Ortholinear

Knob Support

Display Support

Mac/Win Support

Multi-Media Keys

USB-C

USB passthrough

Connection

Bluetooth, 2.4 GHz, Wired, Wireless

Connection

Bluetooth, 2.4 GHz, Wired, Wireless

Polling Rate

Battery capacity

Hall Effect Support

QMK Support

VIA Support

VIAL Support

N-Key Rollover

Rapid Trigger

Mount Style

Top Mount

Screw in Stabilizers

Sound Dampening

Backlight

Case Colors

Case Material

Aluminum

Case Material

Aluminum

Keycaps Material

Dimensions

Weight

Pros and Trade-offs

Select the NIUNIU @40 if you prioritize a low-profile, sleek keyboard and want more sound-dampening materials included in the kit. Opt for the NIUNIU ORTHO Rolypoly 40 R3 if you prefer a traditional 9-degree typing angle and a specified top-mount construction. Both are capable foundations for a custom 40% ortholinear build.

NIUNIU @40

+Low-profile design with a 12.5mm front height for a sleeker typing posture.
+Includes sound dampening foam sheets and silicone pads for acoustic customization.
+Comes with Kailh low-profile screw-in stabilizers.
+Offers a choice between ortholinear and staggered layouts.
+Available in a Polycarbonate (PC) case option for a different aesthetic.

−Does not have a defined typing angle, which some typists prefer.
−The kit does not list a specific mounting style, while the Rolypoly specifies top mount.
−Low-profile stabilizers may have fewer aftermarket compatibility options.

NIUNIU ORTHO Roly poly 40 R3

+Features a 9-degree typing angle, a common preference for ergonomics.
+Uses a specified top-mount design for its typing feel.
+Includes a battery compartment cover for cleaner wireless builds.
+Offers a unique Ceramic White Sprinkle color option.

−Higher 18.05mm front height may be less comfortable for some without a wrist rest.
−Kit lists plate-mounted stabilizers, which are generally considered less stable than screw-in types.
−Does not include sound dampening foam or silicone pads in the listed contents.

Which Keyboard Is Better for Your Needs?

The NIUNIU @40 holds slight advantages for office use and travel due to its lower profile, and for modders due to its included foam and silicone pads. The Rolypoly 40 R3's defining feature is its 9-degree typing angle. For gaming, programming, and content creation, the keyboards are effectively tied, with the decision boiling down to ergonomic preference and the value placed on the included accessory kits.

GamingTie

•Both offer identical multi-connectivity options (wired, Bluetooth, 2.4GHz) for low-latency flexibility.
•Both are hot-swappable, allowing for quick switch changes to suit gaming preferences.
•Their compact 40% size maximizes desk space for mouse movement.

OfficeNIUNIU @40

•The @40's lower 12.5mm front height may promote a more neutral wrist position for extended typing.
•It includes sound dampening foam and silicone pads, which can help reduce noise in shared spaces.
•Its low-profile design is generally more portable and sleek for a professional setting.

ProgrammingTie

•Both support VIAL for deep, on-the-fly key remapping essential for layers and macros.
•Their ortholinear layouts can be efficient for typing symbols and brackets once mastered.
•The 40% size requires heavy layer use, a similar learning curve for both.

TravelNIUNIU @40

•The @40 has a lower front height and low-profile design, potentially making it more packable.
•Both offer wireless connectivity, but the @40's slimmer form factor is an advantage for mobility.

ModdingNIUNIU @40

•The @40 kit includes more materials for sound modification, specifically sound dampening foam sheets and silicone pads.
•It includes screw-in Kailh low-profile stabilizers, while the Rolypoly lists plate-mounted stabilizers.
•Both are hot-swappable and support VIAL, offering equal firmware customization.

Content CreationTie

•Both keyboards rely on VIAL for creating complex macro layers, which is critical for editing shortcuts.
•The compact size of both frees up desk space for graphics tablets or other peripherals.
•The choice depends on personal ergonomic preference between low-profile and angled typing.

Frequently Asked Questions (FAQ)

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Compare NIUNIU @40 vs ORTHO Roly poly 40 R3 Differences Side by Side

Pros and Trade-offs

NIUNIU @40

NIUNIU ORTHO Roly poly 40 R3

Which Keyboard Is Better for Your Needs?

Frequently Asked Questions (FAQ)

What is the main physical difference between the NIUNIU @40 and the Rolypoly 40 R3?

Which keyboard kit includes materials for sound dampening?

Do both keyboards support wireless connectivity?

What types of stabilizers come with each kit?

Can I use a staggered layout on both keyboards?

What firmware do these keyboards use for customization?

Are the keyboards sold as complete builds or DIY kits?

What is the mounting style of the Rolypoly 40 R3?

Which keyboard has a lower front height?

Do these kits include batteries?

What case material options are available?

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