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iUniker 27W PD USB-C Power Supply for Raspberry Pi vs Thermaltake Smart 500W 80+ White Certified PSU,

Updated July 2026 — Thermaltake Smart 500W 80+ White Certified PSU, leads on warranty and weight.

The iUniker power supply is ideal for Raspberry Pi users seeking affordability, while the Thermaltake PSU is better suited for high-performance desktop builds.

Why iUniker 27W PD USB-C Power Supply for Raspberry Pi is better

Price

iUniker is significantly cheaper at $10.99.

Size

iUniker is compact and lightweight.

Compatibility

iUniker is specifically designed for Raspberry Pi.

Why Thermaltake Smart 500W 80+ White Certified PSU, is better

Power

Thermaltake delivers 500W continuous output.

Efficiency

Thermaltake has 80 PLUS certification.

Warranty

Thermaltake offers a 5-year warranty.

Overall score

iUniker 27W PD USB-C Power Supply for Raspberry Pi
70
Thermaltake Smart 500W 80+ White Certified PSU,
85

Specifications

SpeciUniker 27W PD USB-C Power Supply for Raspberry PiThermaltake Smart 500W 80+ White Certified PSU,
Power Output27W500W
Efficiency RatingN/A80 PLUS
Protection FeaturesOVP, OCP, SCPOPP, OVP, SCP
Cooling FanN/A120mm
CompatibilityRaspberry PiPC Builds

Dimension comparison

iUniker 27W PD USB-C Power Supply for Raspberry PiThermaltake Smart 500W 80+ White Certified PSU,

Overview of the Products

In the realm of power supplies, the iUniker 27W PD USB-C Power Supply for Raspberry Pi 5 and the Thermaltake Smart 500W 80+ White Certified PSU cater to different user needs. The iUniker power supply is specifically designed for Raspberry Pi devices, while the Thermaltake unit targets standard PC builds requiring higher wattage. Priced at $10.99, the iUniker is about 73% cheaper than the Thermaltake, which retails for $39.99. This price disparity highlights the intended use cases of both products.

Compatibility and Use Cases

The iUniker power supply is tailored for Raspberry Pi 5 models, providing versatile output options of 5.1V at 5A, 9V at 3A, 12V at 2.25A, and 15V at 1.8A. This makes it an ideal choice for hobbyists and developers working with Raspberry Pi projects. In contrast, the Thermaltake Smart 500W PSU is suitable for a wide range of desktop PCs, featuring 500W continuous power output and compatibility with Intel ATX 12V 2.31 standards. Thus, if you're focused on Raspberry Pi development, the iUniker is a clear fit, while the Thermaltake supports more demanding PC configurations.

Efficiency and Performance

The iUniker power supply utilizes GaN technology, which allows it to maintain high efficiency while being compact. However, it doesn't provide a specific efficiency rating. The Thermaltake PSU, on the other hand, boasts an 80 PLUS certification, ensuring an efficiency of up to 86% under typical load conditions. This certification speaks to the reliability and energy-saving capabilities of the Thermaltake unit, making it a better choice for users concerned about energy consumption in high-performance environments.

Design and Build Quality

Design-wise, the iUniker power supply is compact and lightweight, making it convenient for portable use with Raspberry Pi projects. It features a 120mm cable, allowing for flexible installation. The Thermaltake Smart PSU, weighing more due to its higher capacity, incorporates a robust build with high-quality components designed for longevity. It also features a 120mm ultra-quiet cooling fan, which enhances airflow while minimizing noise, making it more suitable for environments where noise is a concern.

Safety Features

Both power supplies come equipped with essential safety features that protect against various electrical issues. The iUniker includes over voltage, over current, and short circuit protection, ensuring that connected devices are safeguarded from potential damage. Similarly, the Thermaltake PSU offers industry-grade protections such as over power protection (OPP), over voltage protection (OVP), and short circuit protection. The presence of these safety features in both units provides peace of mind to users when powering their devices.

Warranty and Support

The iUniker power supply does not specify a warranty period, which may be a consideration for potential buyers. In contrast, the Thermaltake Smart 500W PSU comes with a generous 5-year warranty, showcasing the manufacturer's confidence in the product's durability and performance. This extended warranty could be a deciding factor for consumers looking for long-term reliability in a power supply.

Price Comparison

The price difference between the two products is substantial, with the iUniker priced at $10.99 and the Thermaltake at $39.99. This creates a price gap of approximately $29, making the iUniker nearly 73% less expensive. While the iUniker is significantly cheaper, it is important to note that it serves a very specific purpose for Raspberry Pi users, whereas the Thermaltake provides a more versatile solution for desktop systems requiring higher power.

Which should you buy?

The decision between the iUniker 27W PD USB-C Power Supply for Raspberry Pi 5 and the Thermaltake Smart 500W 80+ White Certified PSU ultimately depends on your specific needs. If you're a Raspberry Pi enthusiast looking for a reliable and affordable power supply, the iUniker is the clear choice at $10.99. However, if you require a robust power supply for a desktop PC with higher power demands and appreciate the added safety features and warranty, the Thermaltake at $39.99 will serve you better. Each product excels in its intended use case, making them both worthy options within their respective domains.