Corsair HX1000i Fully Modular Ultra-Low Noise ATX Power Supply - ATX 3.1 & PCIe 5.1 Compliant - Fluid Dynamic Bearing Fan - CORSAIR iCUE Software Compatible - 80 Plus Platinum Efficiency - Black
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AI Verdict
This 1000-watt, 80 Plus Platinum, ATX 3.1 and PCIe 5.1 compliant power supply is for high-performance builds needing quiet operation and digital power monitoring.
This 1000-watt, 80 Plus Platinum unit with ATX 3.1 and PCIe 5.1 compliance is designed for current and future high-performance systems. Its fully modular design and iCUE software integration cater to users seeking advanced control and clean aesthetics.
If 1000 watts is overkill for your components, look for the HX750i or HX850i for similar features at lower wattage.
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Pros
- Includes a PCIe 5.1 12V-2x6 GPU cable for modern graphics cards, ensuring compatibility with NVIDIA RTX 40 Series.
- Achieves up to 92% efficiency, reducing energy waste and heat output.
- The 140mm fluid dynamic bearing fan operates silently at low and medium loads with Zero RPM mode.
- Fully modular cabling allows for connecting only necessary cables, simplifying build aesthetics.
- CORSAIR iCUE software enables real-time power monitoring, custom fan curves, and OCP toggling.
- Built with 100% industrial-grade, 105°C-rated Japanese electrolytic capacitors for long-term stability.
Cons
- The iCUE software, while powerful, can be overwhelming for users who prefer a plug-and-play experience without software tweaks.
- Its physical dimensions might pose challenges for installation in smaller or more compact PC cases.
- Some users have reported a minor electrical smell upon initial use, though it typically dissipates over time.
Dimension Scores
Achieves 80 Plus Platinum certification with up to 92% efficiency and delivers a robust 1000 watts of power.
Features a 140mm fluid dynamic bearing fan with Zero RPM mode, ensuring near-silent operation at low and medium loads.
Constructed with 100% industrial-grade, 105°C-rated Japanese electrolytic capacitors and backed by a 10-year warranty.
Fully modular cabling allows users to connect only necessary cables, significantly reducing clutter and improving airflow.
Best For
- High-end gaming PCs with power-hungry GPUs like the NVIDIA RTX 40 Series.
- Workstations requiring stable, efficient power delivery for demanding tasks.
- Users prioritizing a near-silent computing environment, especially at low to medium loads.
- PC builders who want granular control over power settings and fan performance via software.
Not Recommended For
- Budget-conscious builds where a less efficient or lower wattage PSU would suffice.
- Users who prefer minimal software interaction for their PC components.
- Compact ITX or SFF (Small Form Factor) cases due to the unit's size.
Watch Out For
- The iCUE software can be complex to navigate for beginners, potentially requiring time to learn its features.
- Some users have experienced a faint electrical smell during the initial 'break-in' period of the unit.
- The physical size of the power supply may make installation difficult in cases with limited PSU clearance.
Full Specifications
| ASIN | B0BZ2CRW8H |
| Brand | Corsair |
| Color | Black |
| Series | HX1000i |
| Wattage | 1000 watts |
| Model Name | HX1000i |
| Form Factor | ATX |
| Item Weight | 4.4 pounds |
| Manufacturer | Corsair |
| Connector Type | atx,pcie |
| Cooling Method | Air |
| Output Wattage | 1000 |
| Item model number | CP-9020259-NA |
| Compatible Devices | Monitor, Personal Computer |
| Product Dimensions | 7.09 x 5.91 x 3.39 inches |
| Item Dimensions LxWxH | 7.09 x 5.91 x 3.39 inches |
| Item dimensions L x W x H | 7.09 x 5.91 x 3.39 inches |
What Buyers Say
Users consistently highlight the HX1000i's exceptionally quiet operation, often noting the Zero RPM fan mode keeps it silent during everyday use. The inclusion of the 12V-2x6 cable for modern GPUs is a significant point of satisfaction, making it a future-proof choice for many. While the iCUE software offers deep control, some found it a bit much to learn initially. The build quality, with its Japanese capacitors, receives frequent praise for its perceived durability.
“Man, this thing is QUIET. My old PSU fan was always spinning, but this HX1000i just chills, no noise at all until I'm really pushing my 4090. Cable management was a breeze with the modular stuff, totally worth it.”
Common Praise
- The fan remains off for near-silent operation during low to medium system loads.
- Provides sufficient power and correct cabling for high-end components like the RTX 40 series.
- The fully modular design makes cable routing and a clean build much easier.
- iCUE software offers detailed monitoring of power consumption and voltage, plus fan curve customization.
- The unit feels robust and well-constructed, suggesting long-term reliability.
- Power delivery is stable and consistent, minimizing coil whine and noise.
Common Complaints
- The iCUE software can have a learning curve and might be too complex for some users.
- The physical size of the PSU can be a tight fit in more compact PC cases.
- A few users mentioned a slight electrical smell during the first few days of use.
Ownership Tips
- The Zero RPM fan mode works as advertised; the fan rarely spins up unless under heavy gaming loads.
- iCUE monitoring provides useful data on power draw, helping to understand system consumption.
- The included cables are high quality and flexible enough for routing in most cases.
- The unit runs cool even when delivering significant power, likely due to its high efficiency.
- The 10-year warranty provides significant peace of mind for long-term use.
Frequently Asked Questions
Does this power supply include the 12VHPWR cable for RTX 40 series GPUs?
Yes, the HX1000i is ATX 3.1 and PCIe 5.1 compliant, and includes a 12V-2x6 GPU cable for modern graphics cards like the NVIDIA GeForce RTX 40 Series.
How quiet is the HX1000i during operation?
It features a 140mm fluid dynamic bearing fan with Zero RPM mode, meaning the fan switches off entirely at low and medium loads for near-silent operation. Even under load, the fan is designed to be very quiet.
Can I monitor the power supply's performance?
Yes, the HX1000i is compatible with CORSAIR iCUE software, which allows you to monitor power settings, create custom fan curves, and toggle overcurrent protection (OCP).
What is the warranty period for this power supply?
The Corsair HX1000i comes with a 10-year warranty, indicating Corsair's confidence in its long-term reliability.
Is this power supply suitable for future PC upgrades?
Its ATX 3.1 and PCIe 5.1 compliance, along with 1000 watts of power, make it well-suited for powering demanding PC upgrades now and into the future, including next-generation GPUs and CPUs.
Buying Guide
When picking a power supply, you're looking for enough wattage to run all your components, high efficiency to save on electricity and reduce heat, and the right connectors for your parts. Don't cheap out here; a good PSU protects your entire system. Pay attention to compliance standards like ATX 3.1 and PCIe 5.1 if you have or plan to get modern, power-hungry graphics cards.
Wattage (1000 watts)
This is the total power your PSU can deliver. Think of it like the horsepower of a car; you need enough to move your system, especially if you have a powerful CPU and GPU. 1000 watts is plenty for most high-end gaming rigs.
80 Plus Platinum Efficiency
This rating tells you how much power the PSU converts into usable electricity versus how much is lost as heat. Platinum means it's very efficient (up to 92%), like a fuel-efficient car, saving you money on your electricity bill and keeping your PC cooler.
ATX 3.1 & PCIe 5.1 Compliant
These are the latest power standards, crucial for new graphics cards that can draw a lot of power in short bursts. Compliance means the PSU can handle these 'transient power spikes' and comes with the correct 12V-2x6 cable, preventing potential issues and ensuring compatibility.
Fully Modular
This means you only plug in the cables you actually need for your components. It's like having custom-fit clothes instead of a baggy suit; it makes your PC build much cleaner, improves airflow, and simplifies cable management.
Alternatives
If this unit doesn't fit, look for other 80 Plus Platinum or Gold rated power supplies with ATX 3.1 compliance and a fully modular design, adjusting wattage based on your specific component needs.
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