CORSAIR SF850 vs FKBAightccy for PS5 Power Supply ADP-400DR/ADP-400ER/PA-1401-JT20 Internal Power
Updated August 2026 — The CORSAIR SF850 is a high-performance power supply ideal for small-form-factor PCs, while the FKBAightccy is a budget-friendly option for PS5 replacements. Choose based on your specific needs.
The CORSAIR SF850 is a high-performance power supply ideal for small-form-factor PCs, while the FKBAightccy is a budget-friendly option for PS5 replacements. Choose based on your specific needs.
Why CORSAIR SF850 is better
Efficiency
80 PLUS Platinum rating for high efficiency
Build Quality
105°C rated Japanese capacitors for reliability
Cooling
Includes a 92mm PWM cooling fan for low noise
Why FKBAightccy for PS5 Power Supply ADP-400DR/ADP-400ER/PA-1401-JT20 Internal Power is better
Price
Significantly lower price at C$69.99
Installation
Comes with tools for easy PS5 installation
Targeted Use
Designed specifically for PS5 power supply replacement
Overall score
Specifications
| Spec | CORSAIR SF850 | FKBAightccy for PS5 Power Supply ADP-400DR/ADP-400ER/PA-1401-JT20 Internal Power |
|---|---|---|
| Brand | Corsair | FKBAightccy |
| Form Factor | SFX | Internal |
| Modularity | Fully Modular | Non-Modular |
| Cooling Fan | 92mm PWM | Not specified |
| Rated Temp | 105°C | Not specified |
Dimension comparison
Overview of the Products
In this comparison, we will look at the CORSAIR SF850 and the FKBAightccy for PS5 Power Supply. The former is priced at C$279.99, while the latter is significantly more affordable at C$69.99. Both power supplies are designed for different applications, catering to specific user needs and device requirements.
Intended Use
The CORSAIR SF850 is designed for high-performance small-form-factor PCs, making it a great choice for gamers and professionals who require reliable power in compact cases. Its 80 PLUS Platinum rating ensures maximum efficiency and minimal heat generation. On the other hand, the FKBAightccy is specifically designed as a replacement power supply for various PS5 console models, including CFI-1015A/B and CFI-1116A/B. This makes it an ideal option for those experiencing power issues with their PS5, such as sudden shutdowns or failure to turn on.
Power Efficiency
The CORSAIR SF850 boasts an 80 PLUS Platinum rating, a significant indicator of its efficiency. This rating means that the power supply operates at over 90% efficiency at typical loads, which not only saves energy but also reduces heat output. Meanwhile, the FKBAightccy does not specify an efficiency rating, which may be less appealing to users concerned about energy consumption and operational costs in the long run.
Compatibility
The CORSAIR SF850 is compliant with the ATX 3.0 power standard and is PCIe 5.0 ready, ensuring compatibility with the latest hardware configurations. This feature makes it a versatile choice for future-proofing your setup. In contrast, the FKBAightccy is specifically designed for compatibility with PS5 models ADP-400DR, ADP-400ER, and PA-1401. Users must ensure they have the correct model to avoid any compatibility issues, which could limit its appeal to a broader audience.
Build Quality
The CORSAIR SF850 is built to last, featuring 105°C rated Japanese capacitors that enhance its reliability and overall power delivery. This high-quality construction is ideal for demanding applications where power stability is crucial. The FKBAightccy, although made from high-quality ABS material, does not offer the same level of assurance regarding component durability. While it is lightweight and easy to carry, the lack of detailed specifications on its internal components may raise concerns for users prioritizing long-term reliability.
Cooling Solutions
Cooling is a critical aspect of power supply performance, especially in high-demand situations. The CORSAIR SF850 includes a 92mm PWM cooling fan, which provides efficient airflow while maintaining low noise levels. This is particularly beneficial for gamers who need a quiet environment. The FKBAightccy does not specify any cooling features, which could lead to potential overheating issues, especially in tightly packed console setups.
Installation Process
Both products offer ease of installation, although in different contexts. The CORSAIR SF850 features fully modular, Type-5 Micro-Fit PSU connectors, allowing for flexible cabling that aids in tidy cable management, particularly in small cases. Conversely, the FKBAightccy comes with tools and a new power cable designed for easy installation in the PS5, making it user-friendly for those unfamiliar with hardware modifications. However, users without installation experience are advised to seek professional help for the FKBAightccy, which may add additional time and cost to the process.
Pricing and Value
The pricing difference between the two power supplies is significant. The CORSAIR SF850 is priced at C$279.99, reflecting its high-end features and efficiency ratings. In contrast, the FKBAightccy is available for C$69.99, making it an attractive option for budget-conscious consumers or those simply needing a replacement for their PS5. While the FKBAightccy offers excellent value for its intended purpose, the CORSAIR SF850 provides advanced features that cater to a more demanding audience.
Which should you buy?
Choosing between the CORSAIR SF850 and the FKBAightccy ultimately depends on your specific needs. If you are looking for a high-performance power supply for a small-form-factor PC, the CORSAIR SF850, with its advanced features and efficiency, is the better choice despite its higher price. However, if you need a reliable replacement power supply for your PS5 at an affordable price, the FKBAightccy is a practical option. Consider your device compatibility, usage requirements, and budget when making your decision.
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