Perixx Periduo-605 vs Rii RK209 Silent Wireless Keyboard and Mouse Set
Updated August 2026 — The Perixx Periduo-605 offers superior ergonomic features and performance, while the Rii RK209 is a budget-friendly option with basic functionality.
The Perixx Periduo-605 offers superior ergonomic features and performance, while the Rii RK209 is a budget-friendly option with basic functionality.
Why Perixx Periduo-605 is better
Ergonomics
Perixx has advanced ergonomic design for long-term comfort.
DPI Settings
Perixx offers adjustable DPI settings for precision.
Build Quality
Perixx features a more robust build and materials.
Why Rii RK209 Silent Wireless Keyboard and Mouse Set is better
Price
Rii is significantly cheaper at £14.99.
Battery Life
Rii offers longer battery life with power-saving features.
Compatibility
Rii supports a wider range of operating systems.
Overall score
Specifications
| Spec | Perixx Periduo-605 | Rii RK209 Silent Wireless Keyboard and Mouse Set |
|---|---|---|
| Ergonomics | Advanced split-key design | Slight tilt for comfort |
| Wireless Type | 2.4G | 2.4G |
| Setup | Plug and Play | Plug and Play |
| Wrist Support | Built-in wrist rest | None |
| Noise Level | Moderate | Silent |
Dimension comparison
Price Comparison
When it comes to price, the Rii RK209 Silent Wireless Keyboard and Mouse Set is considerably more affordable at £14.99 compared to the Perixx Periduo-605, which retails at £49.99. This represents a £35 difference, making the Rii set a budget-friendly option for those looking for a wireless keyboard and mouse combo. The significant price disparity may influence buyers who are conscious of their budget or those who require a set primarily for basic tasks. The Perixx, while more expensive, offers additional ergonomic features that justify its higher price point for users seeking comfort during extended use.
Ergonomic Design
The Perixx Periduo-605 is designed with ergonomics in mind, featuring a split-key layout and a vertical mouse intended to reduce hand pressure and enhance typing ease. This design is particularly beneficial for users who spend long hours at the keyboard, as it promotes a natural wrist position with its built-in wrist rest. In contrast, the Rii RK209 also offers ergonomic features, such as a slight tilt angle to reduce wrist strain and quiet keys designed for a more comfortable typing experience. While both products prioritise user comfort, the Perixx model provides a more comprehensive ergonomic solution tailored for extensive use.
Connectivity Options
In terms of connectivity, both the Perixx Periduo-605 and the Rii RK209 utilise a 2.4G wireless connection. The Perixx offers a 30-foot operating range, providing more flexibility in positioning compared to the Rii's 10-metre range. Each keyboard and mouse set comes with a single USB receiver for easy setup. The Rii set stands out for its efficient plug-and-play installation and the convenience of storing the receiver within the mouse itself, making it a portable option for users who need to switch devices frequently. While both sets are simple to connect, the Perixx provides a broader range for those who may require more distance from their computer.
Key Features
The Perixx Periduo-605 features advanced specifications, such as adjustable DPI settings of 1000, 1500, and 2000, allowing for precise control during use. This is particularly advantageous for users who engage in tasks requiring accuracy, such as graphic design or gaming. The Rii RK209, while offering a high-precision sensor with five sensitivity levels ranging from 1000 to 5000, is designed for general use and may not cater to those needing specific DPI settings. The choice between the two may depend on the user's specific needs for precision and responsiveness, highlighting the Perixx's focus on tailored performance.
User Experience
Both keyboard and mouse sets cater to different user experiences. The Perixx Periduo-605's emphasis on ergonomic comfort, with features like a built-in wrist rest and a split-key design, is intended to enhance the typing experience over long periods. On the other hand, the Rii RK209 provides a quiet operation with its silent keys and mouse clicks, making it ideal for office environments or shared spaces. The choice between the two comes down to personal preference: those prioritising comfort during extended use may lean towards the Perixx, while users looking for a quiet and straightforward solution may prefer the Rii.
Battery Life
Battery performance varies significantly between the two options. The Rii RK209 is designed with power-saving features, offering up to 15 months of usage for the keyboard and 12 months for the mouse, minimising the need for frequent battery replacements. Each device requires just one AA battery, which is not included. Conversely, the Perixx Periduo-605 requires four AAA batteries, also not included, which may lead to more frequent changes. This distinction makes the Rii RK209 a more convenient option for users who wish to avoid the hassle of regular battery maintenance.
Compatibility
Regarding compatibility, both the Perixx Periduo-605 and the Rii RK209 are versatile and work with various operating systems. The Perixx is compatible with Windows 7, 8, and 10, while the Rii RK209 supports a wider range, including Windows XP, Vista, 7, 8, 10, Mac OS, Chrome OS, and Linux. This broader compatibility may make the Rii more appealing to users with multiple devices across different operating systems. The ease of connecting to various platforms further enhances the Rii's usability, particularly for those who frequently switch between systems.
Which should you buy?
Choosing between the Perixx Periduo-605 and the Rii RK209 Silent Wireless Keyboard and Mouse Set ultimately depends on your specific needs and budget. If you are looking for an ergonomic solution designed for long hours of use and enhanced typing comfort, the Perixx might be worth the investment at £49.99. However, if you are on a tighter budget or need a quieter keyboard and mouse for a shared space, the Rii RK209 at £14.99 is an excellent choice, offering solid functionality and broad compatibility without breaking the bank.
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