iRasptek 27W 5.1V/5A USB-C PD Power Adapter for Raspberry Pi 5 (White) vs iUniker GaN PD 27W 5.1V 5A 27W PD Power Supply USB-C for Raspberry Pi 5
Updated August 2026 — The iRasptek offers better value with advanced features for demanding tasks, while the iUniker excels in safety and efficiency.
The iRasptek offers better value with advanced features for demanding tasks, while the iUniker excels in safety and efficiency.
Why iRasptek 27W 5.1V/5A USB-C PD Power Adapter for Raspberry Pi 5 (White) is better
price
iRasptek is cheaper by £1.91
power delivery
iRasptek has automatic current limiting feature
cable length
iRasptek includes a longer 1.5m cable
Why iUniker GaN PD 27W 5.1V 5A 27W PD Power Supply USB-C for Raspberry Pi 5 is better
technology
iUniker uses GaN technology for efficiency
safety features
iUniker has built-in protections against electrical issues
compact design
iUniker is smaller due to GaN technology
Overall score
Specifications
| Spec | iRasptek 27W 5.1V/5A USB-C PD Power Adapter for Raspberry Pi 5 (White) | iUniker GaN PD 27W 5.1V 5A 27W PD Power Supply USB-C for Raspberry Pi 5 |
|---|---|---|
| Brand | iRasptek | iUniker |
| Input | 100-240V AC | 100-240V AC |
| Output Profiles | 5.1V/5A, 9V/3A, 12V/2.25A, 15V/1.8A | 5.1V/5A, 9V/3A, 12V/2.25A, 15V/1.8A |
| Protection | Compliance tested | Over voltage, over current, short circuit |
| Cable Type | 17AWG | 18AWG |
Dimension comparison
Pricing Comparison
The iRasptek 27W USB-C PD Power Adapter is priced at £11.88, while the iUniker GaN PD 27W Power Supply comes in at £13.79. This difference of £1.91 may seem minor, but it could influence budget-conscious buyers. The iRasptek offers a more economical choice, particularly for users seeking to power their Raspberry Pi 5 without overspending. However, the slightly higher cost of the iUniker may be justified by its advanced GaN technology, which often enhances efficiency and lowers heat output.
Compatibility with Raspberry Pi 5
Both the iRasptek and iUniker products are designed to be compatible with the Raspberry Pi 5. The iRasptek provides a robust power supply with an output of 5.1V/5A and additional profiles of 9V, 12V, and 15V, making it versatile for various applications. Similarly, the iUniker also delivers the same output of 5.1V/5A and supports the same voltage profiles, ensuring it can accommodate a range of devices. This compatibility ensures that both products are suitable power solutions for Raspberry Pi 5 users, allowing them to utilise the full capabilities of their devices.
Power Delivery Features
The iRasptek features a noteworthy automatic limit increase function, which allows the Raspberry Pi 5 to communicate with the power supply and automatically adjust the USB current limit from 600mA to 1.6A. This is particularly beneficial for users looking to power high-demand peripherals. On the other hand, the iUniker does not mention this specific feature, which might limit its effectiveness in situations requiring higher power. The iRasptek's more dynamic power delivery capability could make it the preferred choice for users needing reliable performance under demanding conditions.
Build Quality and Technology
The iUniker is powered by GaN (Gallium Nitride) technology, which is known for its ability to produce smaller, more efficient power supplies that generate less heat. This could be a significant advantage for users who prioritise energy efficiency and compact design. In contrast, the iRasptek does not highlight any specific advanced technology in its construction, suggesting a more traditional power supply design. The GaN technology in the iUniker might offer long-term benefits in terms of performance and reliability, making it appealing for users who want cutting-edge tech in their devices.
Cable Specifications
The iRasptek comes with a 1.5m cable that is rated at 17AWG, which is suitable for delivering power effectively over that length. In contrast, the iUniker includes a shorter cable of 120mm (12cm) with an 18AWG rating. While the iRasptek’s longer cable provides more flexibility in placement, the iUniker’s shorter cable could be advantageous in tighter spaces. Users will need to consider their setup and whether the length of the cable is a critical factor when choosing between these two options.
Safety Features
Safety is a crucial aspect of any power supply. The iUniker boasts built-in protections against over voltage, over current, and short circuits, providing users with peace of mind during operation. While the iRasptek does not explicitly mention safety features, it has undergone extensive compliance testing, which suggests a level of reliability and safety standards. However, the explicit safety measures of the iUniker may make it a more attractive option for safety-conscious consumers, as it offers additional reassurance against potential electrical issues.
User Experience and Support
The iRasptek explicitly mentions its support for compliance inquiries, making it clear that they are prepared to assist customers with any questions regarding safety and performance standards. This could enhance the user experience for buyers who value customer support. The iUniker, while not offering the same level of detail, provides a product that is designed to be compatible with the Raspberry Pi 5, suggesting a focus on user satisfaction. The customer support aspect may tip the scales in favour of the iRasptek for those who appreciate responsive service.
Which should you buy?
Ultimately, the choice between the iRasptek and the iUniker comes down to specific user needs and preferences. The iRasptek 27W USB-C PD Power Adapter is the more budget-friendly option, offering excellent compatibility and advanced features like automatic current limiting, making it suitable for users who require a reliable power supply for demanding tasks. On the other hand, the iUniker with its GaN technology provides a compact and efficient solution with superior safety features, appealing to those who prioritise cutting-edge technology and energy efficiency. Consider your specific requirements and budget when making your decision, as both power supplies offer unique advantages for Raspberry Pi 5 users.
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