PCCOOLER PSU Fully Modular Power Supply, 850W ATX vs Seasonic VERTEX GX-1200 - 1200W - 80+ Gold - ATX
Updated August 2026 — PCCOOLER PSU Fully Modular Power Supply, 850W ATX wins on efficiency, Seasonic VERTEX GX-1200 - 1200W - 80+ Gold - ATX wins on warranty and compatibility.
The PCCOOLER PSU offers great value for budget builds, while the Seasonic VERTEX GX-1200 excels in power and features for high-performance systems.
Why PCCOOLER PSU Fully Modular Power Supply, 850W ATX is better
Price
PCCOOLER is significantly cheaper at $79.99.
Modularity
Both are fully modular, but PCCOOLER has ultra-flexible cables.
Warranty
5-year warranty is decent for budget users.
Why Seasonic VERTEX GX-1200 - 1200W - 80+ Gold - ATX is better
Power Output
Seasonic provides 1200W compared to 850W.
Cooling
Seasonic's 135mm fan offers better airflow.
Warranty
Seasonic has a 12-year warranty for long-term reliability.
Overall score
Specifications
| Spec | PCCOOLER PSU Fully Modular Power Supply, 850W ATX | Seasonic VERTEX GX-1200 - 1200W - 80+ Gold - ATX |
|---|---|---|
| Certification | 80 Plus Gold | 80 Plus Gold |
| Cables | Ultra-flexible | Standard |
| Cooling Type | Hydraulic | Fluid Dynamic |
| Input Voltage | 100-240V | 100-240V |
| Compatibility | PCIe 5.1 | PCIe 5.0 |
Dimension comparison
Overview of the PCCOOLER PSU and Seasonic VERTEX GX-1200
The PCCOOLER PSU Fully Modular Power Supply is priced at $79.99, while the Seasonic VERTEX GX-1200 comes in at $239.99, making it about 17% cheaper than the Seasonic model. Both power supplies are designed for gamers and professionals, but they cater to different needs, particularly in terms of power output and features. The PCCOOLER offers 850W, while the Seasonic provides a more robust 1200W output.
Power Output Comparison
When it comes to power output, the Seasonic VERTEX GX-1200 clearly takes the lead with its impressive 1200W capability. This makes it ideal for high-performance gaming rigs or workstations that demand significant power, especially when using the latest GPUs. In contrast, the PCCOOLER PSU, with its 850W rating, is suitable for mid-range systems but might struggle under extreme loads. Users aiming for multi-GPU setups or overclocking may find the Seasonic's higher wattage more accommodating.
Efficiency Ratings
Both power supplies boast an 80 Plus Gold certification, indicating a high level of efficiency in power conversion. The PCCOOLER PSU can deliver up to 92% efficiency under typical loads, helping to reduce energy costs and heat output. The Seasonic VERTEX GX-1200, while not specifying an exact efficiency percentage, is designed to operate efficiently within its 80 Plus Gold classification. This means users of either product can expect lower electricity bills and improved thermal performance.
Cable Management Features
The PCCOOLER PSU offers a fully modular design with ultra-flexible cables, promoting clean cable management and optimal airflow. This feature is especially beneficial for users who prioritize aesthetics and organization in their builds. On the other hand, the Seasonic VERTEX GX-1200 also features full modularity, which allows for easy connectivity and removal of unnecessary cables. Both units excel in this area, yet the PCCOOLER's shark-pattern cables may provide a slight edge in flexibility and ease of handling.
Cooling Solutions
Cooling is an essential aspect of any power supply, and both models incorporate advanced cooling technologies. The PCCOOLER PSU features a temperature-controlled 120mm hydraulic bearing fan that prioritizes quiet operation during low loads. In contrast, the Seasonic VERTEX GX-1200 employs a 135mm Fluid Dynamic Bearing (FDB) fan, which is also designed for quiet operation. While both fans are engineered for low noise levels, the larger fan in the Seasonic may offer improved airflow under heavy loads, making it a better option for high-performance applications.
Build Quality and Components
Quality components are crucial for long-term reliability, and both power supplies use premium Japanese capacitors rated for 105°C. This ensures stability and durability, especially in demanding environments. The PCCOOLER PSU includes a 5-year warranty, providing peace of mind for users. Meanwhile, the Seasonic VERTEX GX-1200 stands out with a more extended 12-year warranty, reflecting its commitment to quality and longevity. This significant difference in warranty duration may influence buyers looking for assurance regarding their investment.
Compatibility
The PCCOOLER PSU is fully compliant with ATX 3.1 specifications and equipped with a native 12V-2×6 PCIe 5.1 connector, making it ready to power the latest high-performance GPUs without the need for additional adapters. Conversely, the Seasonic VERTEX GX-1200 supports ATX 3.0 and PCIe 5.0 standards, along with an added 12VHPWR cable for compatibility with the newest graphics cards. Both power supplies cater to next-gen hardware, but the PCCOOLER’s PCIe 5.1 compatibility may appeal to those looking to future-proof their setups.
Which should you buy?
Choosing between the PCCOOLER PSU and the Seasonic VERTEX GX-1200 ultimately depends on your specific needs. If you are on a budget and require a reliable power supply for a mid-range system, the PCCOOLER at $79.99 offers excellent value, solid efficiency, and adequate power for most gaming or workstation builds. However, if you need maximum wattage and are willing to invest more for enhanced features, better cooling, and a longer warranty, the Seasonic at $239.99 is the superior choice for high-performance users.

