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APEVIA VENUS500W Venus 500W ATX Power Supply with vs iUniker 5V 4A USB-C Power Supply for Raspberry Pi

Updated August 2026 — APEVIA VENUS500W Venus 500W ATX Power Supply with wins on power and cooling, iUniker 5V 4A USB-C Power Supply for Raspberry Pi wins on price and cable length.

The APEVIA VENUS500W is a powerful and versatile power supply suitable for high-demand systems, while the iUniker is a cost-effective solution for Raspberry Pi projects. Choose based on your specific needs.

Why APEVIA VENUS500W Venus 500W ATX Power Supply with is better

Power Output

APEVIA offers 500W compared to iUniker's 20W.

Safety Features

APEVIA has more comprehensive safety protections.

Versatility

APEVIA is compatible with a wider range of devices.

Why iUniker 5V 4A USB-C Power Supply for Raspberry Pi is better

Price

iUniker is significantly cheaper at $9.99.

Cable Length

iUniker includes a 5ft cable for flexibility.

Targeted Use

iUniker is optimized for Raspberry Pi devices.

Overall score

APEVIA VENUS500W Venus 500W ATX Power Supply with
85
iUniker 5V 4A USB-C Power Supply for Raspberry Pi
70

Specifications

SpecAPEVIA VENUS500W Venus 500W ATX Power Supply withiUniker 5V 4A USB-C Power Supply for Raspberry Pi
Wattage500W20W
ConnectorsMultipleUSB-C
Cooling FanYesNo
Safety ProtectionsComprehensiveBasic
Target DeviceDesktop PCsRaspberry Pi

Dimension comparison

APEVIA VENUS500W Venus 500W ATX Power Supply withiUniker 5V 4A USB-C Power Supply for Raspberry Pi

Overview of Power Supplies

When comparing power supplies, it's crucial to focus on their intended use and capabilities. The APEVIA VENUS500W is designed for general use in desktop computers, providing ample wattage and various connectors. In contrast, the iUniker 5V 4A USB-C Power Supply is specifically tailored for devices like the Raspberry Pi 4, delivering a stable 20W output. This distinction makes them appropriate for different applications, with the APEVIA model priced at $29.99 and the iUniker at $9.99, making the latter about 67% cheaper.

Power Output and Specifications

The APEVIA VENUS500W offers a robust 500W power supply, making it suitable for high-demand systems. It features a range of connectors, including 1 x 20/24pin Main Power and 1 x 6+2 PCI Express, allowing it to cater to various components. In contrast, the iUniker delivers a stable 5V at 4A, totaling 20W, which is specifically optimized for the Raspberry Pi 4. This targeted output ensures that the iUniker meets the specific power requirements of Raspberry Pi models while the APEVIA is more versatile for broader applications.

Cooling Mechanism

The APEVIA VENUS500W includes an auto-thermally controlled black 120mm fan, which plays a vital role in maintaining optimal operating temperatures. This feature is essential for preventing overheating in high-performance setups. The iUniker, however, does not have a cooling system as it is designed for lower power applications. Instead, it focuses on offering stable power delivery without the need for additional cooling, which is sufficient for the power demands of the Raspberry Pi.

Safety Features

Safety is paramount in power supplies, and both the APEVIA and iUniker models incorporate multiple protections. The APEVIA VENUS500W includes short-circuit, over-current, over-voltage, over-power, under-voltage, and over-temperature protections, making it a safe choice for high-power applications. On the other hand, the iUniker also boasts safety certifications with over-current, over-voltage, and short-circuit protection, ensuring safe operation for its intended devices. However, the APEVIA provides a more comprehensive suite of safety features due to its higher wattage and broader application scope.

Cable Length and Flexibility

When it comes to cable length, the iUniker shines with a generous 5ft cable, providing significant flexibility for device placement. This is particularly useful for hobbyists and educators who may require mobility in their setups. The APEVIA does not specify cable lengths in the provided data, but its various connectors allow for adaptability in different configurations. For users needing longer reach and convenience, the iUniker's extended cable offers a clear advantage.

Compatibility and Use Cases

The APEVIA VENUS500W is compatible with a wide range of desktop components, making it suitable for gaming PCs, workstations, and more. Its versatility is a strong point, especially for users planning to upgrade or build custom systems. Conversely, the iUniker is specifically designed for the Raspberry Pi 4 and similar devices, making it a straightforward choice for those focused on projects involving these single-board computers. Users must consider their specific needs when choosing between the two.

Price Comparison

There is a significant price difference between the two products, with the APEVIA VENUS500W priced at $29.99 and the iUniker at $9.99, making the iUniker approximately 67% less expensive. This marked difference reflects their intended markets—where the APEVIA caters to more demanding systems, the iUniker provides a cost-effective solution for users needing reliable power for Raspberry Pi projects. The lower price of the iUniker might appeal more to casual users or those on a budget.

Which should you buy?

Choosing between the APEVIA VENUS500W and the iUniker 5V 4A USB-C Power Supply ultimately depends on your specific needs. If you require a powerful, versatile power supply for a desktop computer or gaming rig, the APEVIA is the clear choice with its higher wattage and extensive safety features. However, if you're focused on Raspberry Pi projects and need a reliable, cost-effective power solution, the iUniker offers excellent value with its stable output and convenience features, particularly for a price of just $9.99.