DKE PC Power Button Desktop PC Computer Case Power vs R∞RasTech RasTech for Raspberry Pi 5 GaN PD 27W Power Supply
Updated August 2026 — DKE PC Power Button Desktop PC Computer Case Power wins on cable length and ease of use, R∞RasTech RasTech for Raspberry Pi 5 GaN PD 27W Power Supply wins on compatibility and safety.
The DKE PC Power Button is an affordable and convenient option for desktop users, while the RasTech power supply offers superior performance and safety features for Raspberry Pi users.
Why DKE PC Power Button Desktop PC Computer Case Power is better
Price
DKE is cheaper at $6.99
Cable Length
DKE has a 2-meter cable
Ease of Use
DKE is easy to install with minimal technical skills
Why R∞RasTech RasTech for Raspberry Pi 5 GaN PD 27W Power Supply is better
Power Output
RasTech delivers 5.1V and 5A
Safety Features
RasTech includes multiple protective features
Compatibility
RasTech supports various Raspberry Pi models
Overall score
Specifications
| Spec | DKE PC Power Button Desktop PC Computer Case Power | R∞RasTech RasTech for Raspberry Pi 5 GaN PD 27W Power Supply |
|---|---|---|
| Brand | DKE | R∞RasTech |
| Voltage | N/A | 5.1V |
| Current | N/A | 5A |
| Cable Type | 2m | 1.3m |
| Installation | Easy | Moderate |
Dimension comparison
Overview of DKE PC Power Button and RasTech Power Supply
The DKE PC Power Button is priced at $6.99, while the RasTech power supply costs $12.99. The DKE power button is about 46% cheaper than the RasTech power supply, making it an attractive option for budget-conscious consumers. Both products serve different purposes, with the DKE power button designed for easy PC management and the RasTech power supply catering to Raspberry Pi users.
Purpose and Use Cases
The DKE PC Power Button is an external switch that allows users to control their desktop PCs from a distance, facilitating easier access to power controls. It connects through a 2-meter long cable, making it particularly useful for setups where the PC is hard to reach. On the other hand, the RasTech power supply is specifically designed for the Raspberry Pi 5, delivering efficient power to the device and its peripherals. This makes it ideal for users who require a reliable power source for their Raspberry Pi projects.
Installation and Setup
The installation process for the DKE PC Power Button is straightforward, with included instructions for connecting the power switch to the motherboard. Users simply need to attach the power switch and HDD connectors, making it accessible even for those with minimal technical skills. In contrast, the RasTech power supply also offers a hassle-free setup, as it connects directly to the Raspberry Pi via USB-C. However, additional setup may be required if users wish to utilize its full power capabilities across multiple peripherals.
Cable Length and Flexibility
One of the standout features of the DKE PC Power Button is its 2-meter cable, which offers flexibility in positioning the power switch. This extended reach allows users to place the switch in a convenient location, enhancing comfort and accessibility. The RasTech power supply comes with a 1.3-meter cable, which, while sufficient for most setups, may limit placement options compared to the DKE product. The extra length of the DKE cable can make a significant difference in usability, particularly in larger spaces.
Power and Performance
The RasTech power supply is designed to deliver 5.1V and 5A, ensuring stable power even when the connected Raspberry Pi is under heavy load. This high-quality power solution minimizes the risk of low voltage issues and supports a range of peripherals. In contrast, the DKE PC Power Button does not have performance specifications related to power delivery, as its primary function is to serve as a simple on/off switch. Users seeking performance-oriented features will find the RasTech product more appealing.
Safety Features
Safety is paramount when dealing with electrical devices, and the RasTech power supply includes multiple protective features. It offers over-power protection, over-current protection, short-circuit protection, over-voltage protection, low-voltage protection, and electrostatic protection. These features ensure that both the power supply and the connected Raspberry Pi are safeguarded against potential electrical issues. The DKE PC Power Button, while functional, lacks these advanced safety features, focusing instead on user convenience.
Compatibility and Versatility
The RasTech power supply is highly versatile, compatible with various Raspberry Pi models, including the 16GB, 8GB, 4GB, and 2GB versions. It can also support other PD-compatible products, making it a good investment for users who may want to power additional devices in the future. The DKE PC Power Button, however, is specifically tailored for desktop PC use and does not offer the same level of compatibility with other devices. Users looking for a multi-purpose power solution will find the RasTech power supply to be the better choice.
Which should you buy?
Choosing between the DKE PC Power Button and the RasTech power supply ultimately depends on your needs. If you are looking for an affordable and easy-to-install power switch for your desktop PC, the DKE product at $6.99 is an excellent choice, especially given its 2-meter cable length. However, if you require a reliable and high-performance power supply for your Raspberry Pi projects, the RasTech power supply at $12.99 is worth the investment for its safety features and compatibility. Consider your specific usage requirements and budget to make the best decision.

