GeeekPi 27W Power Supply for Raspberry Pi 5 vs Thermaltake Smart 500W 80+ White Certified PSU
Updated August 2026 — The GeeekPi 27W Power Supply is ideal for Raspberry Pi users seeking affordability and portability, while the Thermaltake Smart 500W PSU excels in power output and efficiency for demanding setups.
The GeeekPi 27W Power Supply is ideal for Raspberry Pi users seeking affordability and portability, while the Thermaltake Smart 500W PSU excels in power output and efficiency for demanding setups.
Why GeeekPi 27W Power Supply for Raspberry Pi 5 is better
price
GeeekPi is significantly cheaper at C$21.99
portability
GeeekPi is compact and easy to carry
specific use
GeeekPi is tailored for Raspberry Pi devices
Why Thermaltake Smart 500W 80+ White Certified PSU is better
power output
Thermaltake provides 500 watts compared to 27 watts
efficiency
Thermaltake is 80 PLUS certified
compatibility
Thermaltake supports a wide range of desktop components
Overall score
Specifications
| Spec | GeeekPi 27W Power Supply for Raspberry Pi 5 | Thermaltake Smart 500W 80+ White Certified PSU |
|---|---|---|
| Brand | GeeekPi | Thermaltake |
| Efficiency | Not specified | 80% |
| Safety Features | Over-current, over-voltage, short-circuit | Over power, over voltage, short circuit |
| Compatibility | Raspberry Pi 5 | Intel ATX, EPS |
| Output Options | 5V at 5A, 9V at 3A | N/A |
Dimension comparison
Price Comparison
The GeeekPi 27W Power Supply for Raspberry Pi 5 is priced at C$21.99, while the Thermaltake Smart 500W 80+ White Certified PSU is significantly higher at C$54.98. This price difference of C$32.99 highlights the distinction in power capabilities and intended use cases of the two products. The affordability of the GeeekPi power supply makes it an attractive option for Raspberry Pi users, particularly those seeking a budget-friendly solution for their small-scale projects. In contrast, the Thermaltake PSU, with its higher price, is designed for more demanding applications, catering to users who require substantial power output for gaming or workstation builds.
Power Output
The GeeekPi power supply delivers a maximum output of 27 watts, which is specifically tailored for Raspberry Pi 5 devices, while the Thermaltake PSU provides a robust 500 watts of continuous power. This notable difference in output—the Thermaltake offering nearly 19 times more power—highlights their differing target audiences. Users of the GeeekPi power supply are typically working with low-power devices, making the 27 watts sufficient for their needs. On the other hand, the Thermaltake is designed to support high-performance components such as graphics cards and CPUs, justifying its higher power output and price point.
Compatibility
The GeeekPi power supply is specifically compatible with Raspberry Pi 5 models, including both 4GB and 8GB versions. It boasts universal compatibility with an input voltage range of 100-240V, making it suitable for global use. In contrast, the Thermaltake PSU adheres to Intel ATX and EPS standards, making it compatible with a wide range of desktop components. This means users of the Thermaltake power supply can easily integrate it into various builds, whether for gaming, productivity, or general use. The targeted compatibility of the GeeekPi makes it ideal for Raspberry Pi enthusiasts, while the broader compatibility of the Thermaltake PSU serves a wider audience of PC builders.
Efficiency Ratings
The Thermaltake Smart 500W PSU is 80 PLUS certified, indicating an efficiency of 80% under typical load conditions. This certification assures users of lower energy consumption and reduced heat generation, which can contribute to long-term cost savings. The GeeekPi power supply does not mention a specific efficiency rating, but its design for low-power applications suggests it operates efficiently within its intended parameters. While both power supplies are designed to be reliable, the Thermaltake’s efficiency certification offers an advantage for users concerned about energy use and performance longevity.
Safety Features
Safety is a significant consideration for both power supplies, though they approach it differently. The GeeekPi power supply includes built-in safety features such as over-current protection, over-voltage protection, and short-circuit protection, ensuring that connected devices remain safe during operation. The Thermaltake PSU also prioritizes safety, featuring over power protection, over voltage protection, and short circuit protection, along with a mean time between failures (MTBF) of 100,000 hours. While both products offer essential safety mechanisms, the Thermaltake’s extensive protection and durability rating may appeal to users who prioritize long-term reliability in more demanding setups.
Portability
The GeeekPi power supply is designed with portability in mind, boasting a compact form factor that makes it easy to carry. This is particularly beneficial for users who travel or frequently relocate their Raspberry Pi setups. The lightweight nature of the GeeekPi power supply means it can be a convenient companion for on-the-go projects. On the other hand, the Thermaltake PSU, given its higher power rating and more substantial build, is less portable and is generally intended for stationary use within a desktop environment. Users seeking a power solution for mobile applications will find the GeeekPi more suitable, while those building stationary systems will benefit more from the Thermaltake.
Target Audience
The target audience for each power supply significantly influences their design and pricing. The GeeekPi 27W Power Supply is aimed at Raspberry Pi users, particularly hobbyists and educators who require a reliable and affordable power solution for their projects. Its pricing and features cater to those working on smaller-scale applications. In contrast, the Thermaltake Smart 500W PSU targets gamers and PC builders who require high-performance components and reliability. The higher price reflects the capabilities necessary for supporting demanding hardware, making it ideal for users who need substantial power for gaming, video editing, or other intensive tasks.
Which should you buy?
Choosing between the GeeekPi 27W Power Supply for Raspberry Pi 5 and the Thermaltake Smart 500W 80+ White Certified PSU boils down to your specific needs. If you are a Raspberry Pi user seeking an affordable, portable, and efficient power solution, the GeeekPi is a clear choice at C$21.99. However, if you require a high-output power supply for a more demanding desktop setup, the Thermaltake’s robust 500 watts and 80 PLUS certification at C$54.98 offer the performance and reliability necessary for serious PC applications. Ultimately, your decision should reflect the power requirements of your projects and your budget.
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