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Rii Wired keyboard and mouse vs Dell Pro KM5221W - Keyboard and Mouse Set - Wireless - QWERTY - UK - Black - for

Updated August 2026The Rii Wired keyboard and mouse offers vibrant aesthetics and affordability, while the Dell Pro KM5221W provides wireless convenience and compatibility. Choose based on your preference for features versus price.

The Rii Wired keyboard and mouse offers vibrant aesthetics and affordability, while the Dell Pro KM5221W provides wireless convenience and compatibility. Choose based on your preference for features versus price.

Why Rii Wired keyboard and mouse is better

price

Rii is £22.98, significantly cheaper than Dell's £49.98

backlighting

Rii features a colorful backlit keyboard and mouse

plug-and-play

Rii is easier to set up with a simple USB connection

Why Dell Pro KM5221W - Keyboard and Mouse Set - Wireless - QWERTY - UK - Black - for is better

wireless

Dell offers a wireless connection for convenience

device compatibility

Dell is specifically compatible with various Dell devices

professional design

Dell has a sleek, understated look suitable for office environments

Overall score

Rii Wired keyboard and mouse
65
Dell Pro KM5221W - Keyboard and Mouse Set - Wireless - QWERTY - UK - Black - for
75

Specifications

SpecRii Wired keyboard and mouseDell Pro KM5221W - Keyboard and Mouse Set - Wireless - QWERTY - UK - Black - for
BrandRiiDell
LayoutUKQWERTY
ConnectionWiredWireless
Mouse TypeWiredWireless
Multimedia KeysYesNo

Dimension comparison

Rii Wired keyboard and mouseDell Pro KM5221W - Keyboard and Mouse Set - Wireless - QWERTY - UK - Black - for

Design and Aesthetics

The Rii Wired keyboard and mouse offers a vibrant backlit feature, while the Dell Pro KM5221W maintains a sleek, understated look. The Rii set is designed with a three-colour backlight, allowing users to adjust the brightness levels for different environments. In contrast, the Dell set features a subtle design with its logo, appealing to those who prefer a more professional appearance without flashy elements. The Rii's full-size standard UK layout incorporates 105 keys, which may be more visually engaging for users who enjoy colourful setups, while the Dell’s QWERTY layout focuses on functionality and compatibility with various Dell devices.

Functionality

In terms of functionality, the Dell Pro KM5221W showcases the convenience of wireless technology, while the Rii Wired keyboard and mouse ensures a reliable connection through wired means. The Dell set is designed for easy use with various devices, making it a versatile option for users who switch between devices frequently. Conversely, the Rii set’s wired connection eliminates concerns about battery life and connection stability, which can be advantageous in office settings. While the Rii’s mouse features a smooth body and mechanical micro-shock response, the Dell set prioritises ease of access and seamless integration with Dell hardware.

Pricing

Pricing is a significant differentiator between the two sets. The Rii Wired keyboard and mouse is priced at £22.98, making it a budget-friendly option for users seeking basic functionality and aesthetics. In contrast, the Dell Pro KM5221W carries a higher price tag of £49.98, but offers the added convenience of wireless operation. The cost difference of £27 indicates that users must weigh the value of wireless technology against the affordability of a wired setup. For those on a tight budget, the Rii set provides essential features without breaking the bank.

Comfort and Ergonomics

Comfort is vital for prolonged use, and both products have their strengths. The Rii Wired keyboard features foldable feet designed to enhance typing comfort, helping to alleviate fatigue during long working hours. The chiclet keys are quieter and softer, catering to a more comfortable typing experience. On the other hand, the Dell Pro KM5221W doesn’t specify ergonomic features, yet its wireless design inherently allows for a less cluttered workspace and more flexibility in positioning. Users may prefer the Rii for its specific ergonomic enhancements, while the Dell appeals to those prioritising a clean, wireless environment.

Ease of Use

Both products excel in ease of use, but they cater to different needs. The Rii Wired keyboard and mouse are plug-and-play, compatible with various operating systems, including Windows and Mac OS, making setup effortless. Users simply need to connect the USB cord, and they are ready to go. The Dell Pro KM5221W, while also user-friendly, relies on wireless connectivity, which may require initial setup for pairing devices. For users who prefer a straightforward approach without the hassle of batteries or wireless settings, the Rii set is likely the more appealing choice.

Versatility

When it comes to versatility, the Dell Pro KM5221W stands out with its compatibility with various Dell devices, making it an excellent choice for users who primarily utilise Dell products. This feature ensures seamless integration and ease of use across different devices. In contrast, the Rii Wired keyboard and mouse are designed for broader compatibility, including laptops and desktops across different brands. This versatility offers users the flexibility to use the Rii set in various environments, whether at home or in the office, without being limited to specific devices.

Additional Features

The Rii Wired keyboard and mouse bundle includes unique features such as a breathing backlit mouse and multimedia shortcuts, enhancing the overall user experience. The mouse is designed for smooth operation and has a colourful backlight, making it suitable for both office tasks and casual gaming. In comparison, the Dell Pro KM5221W provides a more utilitarian experience, with an emphasis on wireless functionality and straightforward design. The lack of additional features in the Dell set may be seen as a drawback for users seeking a more engaging experience.

Which should you buy?

Ultimately, the choice between the Rii Wired keyboard and mouse and the Dell Pro KM5221W hinges on individual preferences and specific needs. If you value affordability, vibrant aesthetics, and a plug-and-play experience, the Rii set at £22.98 offers significant appeal. Conversely, if you prioritise wireless convenience and compatibility with Dell devices, the Dell Pro KM5221W, priced at £49.98, may be worth the additional investment. Each set has its merits, and potential buyers should consider their usage scenarios and preferences before making a decision.

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Rii Wired keyboard and mouse vs Dell Pro KM5221W - Keyboard and Mouse Set - Wireless - QWERTY - UK - Black - for | versusfinder