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CORSAIR HX1500i Fully Modular Ultra-Low Noise ATX vs MSI MAG A750GLS PCIE5, Fully Modular Compact

Updated August 2026 — CORSAIR HX1500i Fully Modular Ultra-Low Noise ATX leads on noise level and cooling.

The CORSAIR HX1500i is a high-performance power supply ideal for demanding builds, while the MSI MAG A750GLS offers great value for budget-conscious users.

Why CORSAIR HX1500i Fully Modular Ultra-Low Noise ATX is better

Power Output

1500W vs 750W

Efficiency

Platinum vs Gold rating

Advanced Features

CORSAIR iCUE software integration

Why MSI MAG A750GLS PCIE5, Fully Modular Compact is better

Price

$89.99 vs $349.99

Compact Size

Smaller form factor

Basic Functionality

Sufficient for mid-range systems

Overall score

CORSAIR HX1500i Fully Modular Ultra-Low Noise ATX
90
MSI MAG A750GLS PCIE5, Fully Modular Compact
70

Specifications

SpecCORSAIR HX1500i Fully Modular Ultra-Low Noise ATXMSI MAG A750GLS PCIE5, Fully Modular Compact
ModularFullyFully
Fan Size140mm135mm
Connector Type12V-2x612V-2x6
Cooling ModeZero RPMStandard
CapacitorsJapanese 105°CStandard

Dimension comparison

CORSAIR HX1500i Fully Modular Ultra-Low Noise ATXMSI MAG A750GLS PCIE5, Fully Modular Compact

Overview

When comparing the CORSAIR HX1500i and the MSI MAG A750GLS, you will find distinct features catering to different user needs. The HX1500i, priced at $349.99, targets high-performance builds requiring substantial power, while the MAG A750GLS, available for $89.99, offers a more budget-friendly option for gamers and general users.

Power Output

The CORSAIR HX1500i boasts a powerful 1500W output, making it ideal for demanding setups that may include multiple GPUs or high-end components. In contrast, the MSI MAG A750GLS provides a solid 750W, sufficient for mid-range gaming systems. This difference in power output could be crucial for users looking to future-proof their builds or run high-performance hardware without constraints.

Efficiency Ratings

The HX1500i shines with its Cybenetics Platinum efficiency rating, ensuring minimal power waste and lower energy bills over time. In comparison, the MAG A750GLS offers an 80 PLUS Gold certification, achieving up to 90% efficiency under load. While both power supplies are efficient, the HX1500i provides a higher standard, which can be significant for users who prioritize energy efficiency in their builds.

Modular Design

Both power supplies feature fully modular designs, allowing users to connect only the cables necessary for their systems. This design principle facilitates cleaner builds and better airflow. However, the HX1500i's advanced features, like custom fan curves through CORSAIR iCUE software, provide more control over cable management and cooling settings compared to the MAG A750GLS.

Cooling Solutions

The CORSAIR HX1500i is equipped with a 140mm Fluid Dynamic Bearing fan that operates in Zero RPM mode under low and medium loads for near-silent operation. The MSI MAG A750GLS, on the other hand, features a 135mm Fluid Dynamic Bearing fan, also designed for low-noise performance. While both models prioritize quiet operation, the HX1500i offers a slight edge with its Zero RPM mode, ideal for users who desire an extremely quiet gaming environment.

Build Quality and Durability

The HX1500i uses Japanese 105°C-rated electrolytic capacitors, which contribute to its long life and reliability, backed by a ten-year warranty. The MAG A750GLS also includes a durable design with an LLC half-bridge and DC-to-DC converter, ensuring a reliable output. However, the HX1500i's higher-end components and longer warranty period may appeal more to enthusiasts willing to invest in longevity and performance.

Target Audience

While both power supplies cater to PC builders, their target audiences differ significantly. The CORSAIR HX1500i is suited for high-end gamers, content creators, and users with multiple demanding components. Its high price reflects this premium positioning. The MSI MAG A750GLS, priced about 74% lower at $89.99, is aimed at budget-conscious gamers and casual users who need a reliable power supply without breaking the bank.

Additional Features

The CORSAIR HX1500i includes advanced features like monitoring power settings through the CORSAIR iCUE software, providing users with real-time data and adjustments. The MAG A750GLS, while lacking such advanced software integration, does feature native 12V-2x6 connectors that support PCIe 5.1 GPUs, making it a future-proof choice for gamers. This focus on practical features makes both power supplies appealing, depending on user priorities.

Which should you buy?

Choosing between the CORSAIR HX1500i and the MSI MAG A750GLS ultimately depends on your specific needs and budget. If you require a high-output, efficient power supply with advanced features and are willing to invest $349.99, the HX1500i is a clear choice. However, for more casual gamers or those on a budget, the MAG A750GLS at $89.99 offers excellent value with sufficient power for most gaming setups. Consider your performance requirements and budget constraints to make the best decision for your build.