CORSAIR HX1500i vs CORSAIR RM1000x SHIFT
Updated August 2026 — The CORSAIR HX1500i offers advanced features and higher wattage, while the CORSAIR RM1000x SHIFT provides innovative cable management at a lower price. Choose based on your specific needs.
The CORSAIR HX1500i offers advanced features and higher wattage, while the CORSAIR RM1000x SHIFT provides innovative cable management at a lower price. Choose based on your specific needs.
Why CORSAIR HX1500i is better
Price
HX1500i has more advanced features despite higher cost
Software
HX1500i includes powerful iCUE software for customization
Power Standards
HX1500i is Intel ATX 3.1 certified for future-proofing
Why CORSAIR RM1000x SHIFT is better
Price
RM1000x SHIFT is more budget-friendly
Cable Management
RM1000x SHIFT has innovative easy-access connections
Flexibility
RM1000x SHIFT features a debossed PVC cable kit for better routing
Overall score
Specifications
| Spec | CORSAIR HX1500i | CORSAIR RM1000x SHIFT |
|---|---|---|
| Brand | Corsair | Corsair |
| Fan Mode | Zero RPM | Standard |
| GPU Cable | No | Yes |
| Cabling Type | Fully Modular | Fully Modular |
| Software | iCUE | None |
Dimension comparison
Price Comparison
The CORSAIR HX1500i is priced at £229.00, while the CORSAIR RM1000x SHIFT is significantly lower at £164.99. This £64.01 difference in price makes the RM1000x SHIFT a more budget-friendly option for users seeking a quality power supply. Despite the price disparity, both power supplies offer high performance and reliability, catering to different needs based on budget and features.
Modular Cabling Features
The CORSAIR HX1500i boasts fully modular cabling, allowing users to connect only the cables they need, which simplifies cable management and enhances the aesthetic of any build. In contrast, the CORSAIR RM1000x SHIFT also features fully modular connectors, but with the added advantage of an innovative easy-access connection position. This design makes it easier to access cables and manage them neatly, potentially saving time during installation and upgrades.
Power Efficiency and Standards
The CORSAIR HX1500i is Intel ATX 3.1 certified, ensuring compliance with the latest power standards and supporting the PCIe Gen 5 platform. This certification means it can handle the latest hardware efficiently and is designed to resist transient power spikes. The RM1000x SHIFT, while not explicitly mentioned with the same certification, features a native 12V-2x6 GPU cable that allows for compatibility with modern graphics cards, ensuring it meets the demands of current gaming and professional setups.
Cooling Performance
Both the CORSAIR HX1500i and the RM1000x SHIFT come equipped with a 140mm Fluid Dynamic Bearing fan, designed for quiet operation and reliability. However, the HX1500i introduces a Zero RPM Fan Mode, which allows the fan to switch off entirely at low and medium loads. This feature provides near-silent operation, making it a suitable choice for users who prioritise a quiet computing environment, especially during light tasks.
Software Integration
The CORSAIR HX1500i stands out with its powerful CORSAIR iCUE software, allowing users to create custom fan curves, monitor power settings, and toggle between single to multi-rail overcurrent protection on-the-fly. This level of control and monitoring is beneficial for enthusiasts who wish to fine-tune their systems for optimal performance. The RM1000x SHIFT does not mention any software integration, which could be a deciding factor for users who value enhanced control over their power supplies.
Cable Management
The RM1000x SHIFT is particularly innovative with its debossed PVC cable kit, which not only enhances flexibility but also sets a new standard for cable management. Coupled with low-profile combs, this feature makes routing cables easier and contributes to a cleaner overall build. While the HX1500i offers fully modular cabling, it does not provide the same level of management ease as the RM1000x SHIFT, potentially making the latter a more attractive option for those focused on aesthetics.
Brand Reputation and Reliability
Both power supplies come from Corsair, a brand well-known for its reliability and performance in the gaming and PC hardware market. Users can expect a high level of quality from both the HX1500i and RM1000x SHIFT, backed by Corsair’s reputation. However, the HX1500i’s compliance with the latest standards may appeal to users looking for future-proofing in their builds, while the RM1000x SHIFT offers innovative features that enhance usability.
Which should you buy?
Choosing between the CORSAIR HX1500i and the CORSAIR RM1000x SHIFT ultimately depends on your specific needs and budget. If you require higher wattage, advanced software features, and compliance with the latest power standards, the HX1500i at £229.00 may be the better choice. However, if you are looking for a more budget-friendly option with innovative cable management and solid performance, the RM1000x SHIFT priced at £164.99 stands out as an excellent alternative. Both power supplies are excellent in their own right, but your unique requirements will guide the best choice for your setup.
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