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iRasptek 27W 5.1V/5A USB-C PD Power Adapter for Raspberry Pi 5 (White) vs Miuzei Raspberry Pi 4 Power Supply - 5V 4.1A 20.5W USB-C Charger with On/Off Swi

Updated August 2026The iRasptek power adapter is ideal for Raspberry Pi 5 users needing high power, while the Miuzei is a versatile and cost-effective choice for Raspberry Pi 4 users.

The iRasptek power adapter is ideal for Raspberry Pi 5 users needing high power, while the Miuzei is a versatile and cost-effective choice for Raspberry Pi 4 users.

Why iRasptek 27W 5.1V/5A USB-C PD Power Adapter for Raspberry Pi 5 (White) is better

Higher Output

iRasptek provides 27W compared to Miuzei's 20.5W.

Designed for Pi 5

iRasptek is specifically tailored for Raspberry Pi 5.

Advanced Power Delivery

iRasptek supports higher current limits for peripherals.

Why Miuzei Raspberry Pi 4 Power Supply - 5V 4.1A 20.5W USB-C Charger with On/Off Swi is better

Lower Price

Miuzei is priced at £10.99, cheaper than iRasptek's £11.88.

Wider Compatibility

Miuzei supports multiple Raspberry Pi models.

Safety Features

Miuzei includes extensive safety protections.

Overall score

iRasptek 27W 5.1V/5A USB-C PD Power Adapter for Raspberry Pi 5 (White)
85
Miuzei Raspberry Pi 4 Power Supply - 5V 4.1A 20.5W USB-C Charger with On/Off Swi
75

Specifications

SpeciRasptek 27W 5.1V/5A USB-C PD Power Adapter for Raspberry Pi 5 (White)Miuzei Raspberry Pi 4 Power Supply - 5V 4.1A 20.5W USB-C Charger with On/Off Swi
BrandiRasptekMiuzei
Input Voltage100-240V100-240V
Output Voltage5.1V5V
Output Current5A4.1A
Cable TypeUSB-CUSB-C
On/Off SwitchNoYes

Dimension comparison

iRasptek 27W 5.1V/5A USB-C PD Power Adapter for Raspberry Pi 5 (White)Miuzei Raspberry Pi 4 Power Supply - 5V 4.1A 20.5W USB-C Charger with On/Off Swi

Price Comparison

When it comes to pricing, the Miuzei Raspberry Pi 4 Power Supply is slightly more affordable, retailing at £10.99, compared to the iRasptek 27W USB-C PD Power Adapter, which is priced at £11.88. The price difference of 89 pence may seem minor, but it can be a factor for budget-conscious buyers. Both products offer competitive pricing within the power supply market for Raspberry Pi devices, but the Miuzei product provides a more cost-effective option for those specifically using Raspberry Pi 4.

Power Output and Efficiency

The iRasptek power adapter boasts a higher output capability with 27W, delivering 5.1V at 5A, compared to the Miuzei supply’s output of 20.5W at 5V and 4.1A. This means that the iRasptek can cater to high-power peripherals, such as SSDs and hard drives, particularly for users of Raspberry Pi 5, who may need extra power for demanding applications. The Miuzei, while slightly less powerful, still offers a respectable 20.5W, which is 14% more than typical 18W alternatives, making it suitable for stable performance without undervoltage errors during high-load use.

Compatibility

The iRasptek power adapter is specifically designed for the Raspberry Pi 5 and is not suitable for earlier models. In contrast, the Miuzei Raspberry Pi 4 Power Supply is versatile, supporting multiple Raspberry Pi models, including Pi 4, 3B+, and 3B, and even comes with an adapter for older models. However, it is important to note that the Miuzei supply does not support Raspberry Pi 5, making it less future-proof for users planning to upgrade. Thus, compatibility may play a significant role in the buyer's decision based on their current or anticipated Raspberry Pi model.

Cable Length and Design

Both power supplies feature a 1.5m cable, providing flexibility for positioning devices without being limited by short cords. However, the Miuzei supply includes an on/off switch, allowing users to easily manage power without needing to unplug the charger repeatedly. This added convenience can enhance the user experience, particularly for those who frequently connect and disconnect their Raspberry Pi. The iRasptek does not include this feature, which may be a consideration for users prioritising ease of use.

Safety Features

Safety is a crucial aspect of power supplies, and both the iRasptek and Miuzei products are equipped with essential protection features. The Miuzei power supply includes a fire-resistant case and a variety of protective measures against overcurrent, short circuit, overvoltage, low voltage, overheating, and static. This multi-layered protection ensures reliability and safety during operation. The iRasptek power adapter, while compliant with several regional and international standards, does not explicitly list safety features, making the Miuzei a potentially safer choice for cautious consumers.

Target Audience

The choice between these two power supplies largely depends on the target audience. The iRasptek is aimed at users of the Raspberry Pi 5, especially those needing to power high-demand peripherals, such as external drives. Its advanced power delivery capabilities make it ideal for performance-oriented users. On the other hand, the Miuzei caters to a broader audience with its compatibility across several Raspberry Pi models and its more affordable price point. It is particularly suitable for users looking for a reliable power solution for Raspberry Pi 4 and earlier models without the need for extensive power.

Availability and Brand Reputation

Both iRasptek and Miuzei are relatively new brands in the power supply market, but they have garnered attention for their dedicated products tailored for Raspberry Pi devices. The iRasptek product is specifically tailored for the latest Raspberry Pi 5, which could enhance its reputation among early adopters of this model. Conversely, Miuzei’s broader compatibility may appeal to a larger user base, including those with older models. Availability may vary depending on the region, but both brands are generally accessible through major online retailers.

Which should you buy?

Deciding between the iRasptek 27W USB-C PD Power Adapter and the Miuzei Raspberry Pi 4 Power Supply ultimately hinges on your specific needs and the model of Raspberry Pi you are using. If you own a Raspberry Pi 5 and require a power supply capable of supporting high-power peripherals, the iRasptek is the clear choice due to its higher output and compatibility with the latest model. However, if you are using a Raspberry Pi 4 or earlier models and are looking for a cost-effective, versatile solution with added safety features and convenience, the Miuzei power supply presents a compelling option. Therefore, consider your current setup and future plans before making your choice.

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iRasptek 27W 5.1V/5A USB-C PD Power Adapter for Raspberry Pi 5 (White) vs Miuzei Raspberry Pi 4 Power Supply - 5V 4.1A 20.5W USB-C Charger with On/Off Swi | versusfinder