Corsair HX1000i Fully Modular Ultra-Low Noise ATX vs MSI MAG A750GLS PCIE5, Fully Modular Compact
Updated August 2026 — Corsair HX1000i Fully Modular Ultra-Low Noise ATX leads on noise level and modularity.
The Corsair HX1000i offers superior efficiency, features, and build quality, making it the better choice for high-performance systems. However, the MSI MAG A750GLS provides excellent value for budget-conscious gamers.
Why Corsair HX1000i Fully Modular Ultra-Low Noise ATX is better
Efficiency
Corsair has 80 PLUS Platinum rating.
Features
Corsair includes iCUE software for customization.
Wattage
Corsair offers 1000W compared to MSI's 750W.
Why MSI MAG A750GLS PCIE5, Fully Modular Compact is better
Price
MSI is significantly cheaper at $89.99.
Compact Size
MSI is designed for smaller cases.
Warranty
Both have a 10-year warranty, but MSI is budget-friendly.
Overall score
Specifications
| Spec | Corsair HX1000i Fully Modular Ultra-Low Noise ATX | MSI MAG A750GLS PCIE5, Fully Modular Compact |
|---|---|---|
| Efficiency Rating | 80 PLUS Platinum | 80 PLUS Gold |
| Modular | Fully Modular | Fully Modular |
| Fan Size | 140mm | 135mm |
| Software | iCUE Compatible | None |
| Connector Type | Standard | Native 12V-2x6 |
Dimension comparison
Overview of the Power Supplies
When comparing the Corsair HX1000i and the MSI MAG A750GLS, it's clear that both power supplies cater to different needs in the gaming and PC building community. The Corsair HX1000i is priced at $234.99, while the MSI MAG A750GLS is more budget-friendly at $89.99, making it about 62% cheaper than the Corsair model. This price difference is significant and reflects the different capabilities and features each unit offers.
Power Efficiency Ratings
The Corsair HX1000i boasts an 80 PLUS Platinum efficiency rating, ensuring that it operates at over 90% efficiency under typical loads. This high level of efficiency can lead to lower electricity costs and less heat generation, making it suitable for high-performance systems. In contrast, the MSI MAG A750GLS is rated 80 PLUS Gold, which, while still efficient, operates at a slightly lower efficiency level of up to 90%. This difference in efficiency ratings indicates that the Corsair model is designed for users seeking to maximize performance and energy savings.
Modular Cabling
Cabling flexibility varies significantly between the two units. The Corsair HX1000i features fully modular cabling, allowing users to connect only the cables they need, which simplifies cable management and promotes airflow within the case. The MSI MAG A750GLS also offers fully modular cabling, but with a focus on compact design, it includes native 12V-2x6 PCIe connectors specifically designed to support high-demand GPUs. While both models are modular, the Corsair's flexibility may appeal more to those focused on aesthetics and optimal airflow.
Noise Levels
When it comes to noise levels, the Corsair HX1000i excels with its Zero RPM Fan Mode, which allows the fan to turn off entirely at low and medium loads for near-silent operation. Its 140mm fluid dynamic bearing fan is engineered for quiet performance, making it an ideal choice for users who prioritize a silent experience. The MSI MAG A750GLS also features a low-noise operation with its 135mm fluid dynamic bearing fan, but it does not offer a complete fan-off mode. Thus, while both units aim for quiet performance, the Corsair offers a more advanced solution for silent operation.
Compatibility and Future Proofing
The Corsair HX1000i is designed to meet the latest standards with its ATX 3.1 and PCIe 5.1 compliance, ensuring it can support the most demanding components available today and in the near future. This includes compatibility with next-generation graphics cards and CPUs. The MSI MAG A750GLS also supports ATX 3.1 and PCIe 5.1, making it suitable for modern builds. However, the Corsair's higher wattage of 1000W as opposed to the MSI’s 750W may offer more headroom for power-hungry builds, making it a better choice for enthusiasts looking to upgrade over time.
Build Quality and Durability
Both power supplies emphasize durability, but they approach it differently. The Corsair HX1000i is built with Japanese 105°C-rated electrolytic capacitors, which are known for their longevity and reliability, backed by a ten-year warranty. This extended warranty reflects the manufacturer's confidence in its product's quality. The MSI MAG A750GLS also offers a ten-year warranty and incorporates an LLC half-bridge with DC-to-DC converter design for reliable output. However, the premium materials in the Corsair may provide an edge in durability for high-stress environments.
Software Features
The Corsair HX1000i stands out with its integration of CORSAIR iCUE software, allowing users to create custom fan curves, monitor power settings, and adjust overcurrent protection settings on the fly. This level of control can be particularly advantageous for gamers and PC builders looking to optimize their systems. On the other hand, the MSI MAG A750GLS lacks such software integration, focusing instead on straightforward operation. For users who enjoy customization and monitoring, the Corsair offers significant advantages in this area.
Which should you buy?
Choosing between the Corsair HX1000i and the MSI MAG A750GLS ultimately depends on your specific needs and budget. If you require a high-capacity, efficient power supply with advanced features and are willing to invest at $234.99, the Corsair HX1000i is the clear choice. However, if you are looking for a reliable power supply for a gaming setup at a significantly lower price of $89.99, the MSI MAG A750GLS presents excellent value, particularly for mid-range builds. Evaluate your requirements carefully to make the best decision for your system.