Corsair HX1000i Fully Modular Ultra-Low Noise ATX vs Thermaltake Toughpower GT 850W ATX 3.1 Standard
Updated August 2026 — Corsair HX1000i Fully Modular Ultra-Low Noise ATX leads on noise level and warranty.
The Corsair HX1000i offers superior efficiency and features, making it ideal for high-performance builds, while the Thermaltake Toughpower GT is a budget-friendly option for standard setups.
Why Corsair HX1000i Fully Modular Ultra-Low Noise ATX is better
Efficiency
Corsair has 80 PLUS Platinum vs Gold for Thermaltake
Warranty
Corsair offers a 10-year warranty compared to 5 years for Thermaltake
Software
Corsair supports iCUE software for customization
Why Thermaltake Toughpower GT 850W ATX 3.1 Standard is better
Price
Thermaltake is significantly cheaper at $95.52
Simplicity
Thermaltake is suitable for mid-range builds
Size
Thermaltake is more compact for smaller cases
Overall score
Specifications
| Spec | Corsair HX1000i Fully Modular Ultra-Low Noise ATX | Thermaltake Toughpower GT 850W ATX 3.1 Standard |
|---|---|---|
| Power Rating | 1000W | 850W |
| Efficiency Rating | 80 PLUS Platinum | 80 PLUS Gold |
| Fan Type | Fluid Dynamic | Hydraulic Bearing |
| Modular Design | Fully Modular | Fully Modular |
| Software | iCUE Compatible | No Software |
Dimension comparison
Price Comparison
The Corsair HX1000i is priced at $234.99, while the Thermaltake Toughpower GT is significantly cheaper at $95.52, making it about 59% lower in price. This substantial price difference can influence your decision, especially if you are budget-conscious. While the Corsair offers premium features suitable for high-end systems, the Thermaltake provides solid performance for a more modest investment. Thus, the choice between these two power supplies may largely depend on your budget and the specific needs of your build.
Efficiency Ratings
The Corsair HX1000i boasts an impressive 80 PLUS Platinum efficiency rating, ensuring it operates with an efficiency of up to 92%. In contrast, the Thermaltake Toughpower GT achieves an 80 PLUS Gold rating, offering up to 90% efficiency. While both power supplies deliver excellent efficiency, the Corsair provides slightly better performance, which can translate into lower electricity bills over time. However, for users who do not require the highest efficiency, the Thermaltake’s Gold rating still offers reliable power at a more accessible price point.
Modular Design
Both the Corsair HX1000i and the Thermaltake Toughpower GT feature fully modular designs, allowing users to connect only the cables they need. This design choice promotes better cable management and airflow within the PC case. While the Corsair emphasizes its clean and tidy build capabilities, the Thermaltake also includes low-profile flat black cables for improved aesthetics. Ultimately, both power supplies cater to users looking for ease of installation and organization, making them both strong contenders in this category.
Cooling Solutions
The Corsair HX1000i is equipped with a 140mm Fluid Dynamic Bearing fan, which delivers ultra-low noise levels and enhances longevity. It also features a Zero RPM fan mode that completely turns off the fan during low and medium loads, contributing to its silent operation. On the other hand, the Thermaltake Toughpower GT utilizes a 120mm hydraulic bearing fan with Smart Zero Fan Technology that adjusts the fan speed based on load. While both cooling solutions aim to minimize noise, the Corsair's larger fan may provide quieter performance under various conditions, especially during demanding tasks.
Software Compatibility
The Corsair HX1000i stands out with its compatibility with CORSAIR iCUE software, allowing users to create custom fan curves, monitor power settings, and adjust overcurrent protection in real time. This advanced software capability enhances user control and customization, appealing to enthusiasts who want to optimize their system's performance. Conversely, the Thermaltake Toughpower GT does not offer such software integration, which may limit customization options for users. For tech-savvy buyers, the software compatibility of the Corsair could be a decisive factor.
Warranty and Reliability
The Corsair HX1000i is backed by a robust ten-year warranty, demonstrating the brand's confidence in the product's reliability and longevity. In comparison, the Thermaltake Toughpower GT comes with a five-year warranty, which, while respectable, is shorter than that of the Corsair. This extended warranty period for the Corsair may offer added peace of mind for users investing in a high-performance power supply, particularly for those who plan to run demanding applications over an extended period.
Suitable Use Cases
The Corsair HX1000i is ideal for high-performance gaming rigs and workstations that require stable, efficient power for multiple components. Its ATX 3.1 certification and PCIe 5.1 compliance make it suitable for the latest technology trends, ensuring that it can handle future upgrades. Meanwhile, the Thermaltake Toughpower GT is well-suited for standard gaming setups and mid-range builds. It provides reliable power delivery for those who do not need the absolute highest specifications, making it a great choice for casual gamers or office PCs.
Which should you buy?
Choosing between the Corsair HX1000i and the Thermaltake Toughpower GT ultimately hinges on your specific needs and budget. If you're looking for top-tier efficiency, extensive software customization, and a longer warranty, the Corsair HX1000i is worth the investment at $234.99. However, if you're seeking a reliable power supply at a more affordable price of $95.52, the Thermaltake Toughpower GT offers solid performance with good efficiency for mid-range builds. Assess your requirements carefully to make the best choice for your system.

