Dell 1100W EPP 80+ Platinum PSU (CMPGM) (Renewed)
5.0Editor score
High efficiency 80+ Platinum
Modular cable management
Renewed quality assurance
In this guide
Finding the right power supply is crucial for system stability. A 1100W unit ensures enough headroom for high-end GPUs and CPUs without strain. It delivers consistent power under heavy loads.
We evaluated ten top-rated units based on efficiency ratings, modular designs, and modern standards. Each pick meets rigorous criteria for performance and safety. Our list covers various budgets and specific use cases.
Each entry highlights key strengths and potential trade-offs for informed decisions. Prices and availability fluctuate frequently on marketplaces. Always verify current specs before finalizing your purchase today.
Top 3 Picks for Best 1100W PSU
CORSAIR RM1000x ATX 3.1 PCIe 5.1 Ready Fully Modular 1000W Power Supply – Low-Noise, Cybenetics Gold Efficiency, Native 12V-2×6 Connector – Black
4.7Editor score
Native 12V-2×6 connector
ATX 3.1 compliant
Low noise operation
Asus ROG Strix 1000W Platinum White PSU, Fully Modular, 80+ Platinum, ATX 3.1, PCIe 5.0, GaN MOSFET, Intelligent Voltage Stabilizer
4.7Editor score
GaN MOSFET efficiency
GPU-FIRST voltage sensing
Premium build quality
Top 10 Best 1100W PSU in 2026 Compared
This side-by-side comparison highlights the essential specifications and unique features of each selected power supply unit to help you find the perfect match for your build.
ProductsSpecificationsEditor scorePrice
Best Budget
Dell 1100W EPP 80+ Platinum PSU (PR21C)
80+ Platinum Efficiency
Enterprise Grade Design
1100W Output Power
Standard Non-Modular
4.5Editor score
Editor's Choice
Dell 1100W EPP 80+ Platinum PSU (CMPGM) (Renewed)
80+ Platinum Efficiency
Modular Cable Design
Renewed Condition
High Wattage Output
5.0Editor score
Best Premium
CORSAIR RM1000e (2025) ATX 3.1 PCIe 5.1 Ready 1000W Power Supply – Black
ATX 3.1 Certified
Fully Modular Cabling
Low Noise Fan
105C Capacitors
4.7Editor score
CORSAIR RM1000x ATX 3.1 PCIe 5.1 Ready Fully Modular 1000W Power Supply – Low-Noise, Cybenetics Gold Efficiency, Native 12V-2×6 Connector – Black
Cybenetics Gold Efficiency
Native 12V-2×6
ATX 3.1 Compliant
Embossed Cables
4.7Editor score
Thermaltake Toughpower GF A3 1050W, True 600W 12V-2×6 Connectors on PSU & NVIDIA RTX 50 Series, ATX 3.1/PCI-E 5.1, 80+ Gold, SLI/Crossfire Ready Power Supply, PS-TPD-1050FNFAGU-L, 10 Year Warranty
80+ Gold Certified
True 600W 12V
12V-2×6 Connector
10 Year Warranty
4.5Editor score
Asus ROG Strix 1000W Platinum White PSU, Fully Modular, 80+ Platinum, ATX 3.1, PCIe 5.0, GaN MOSFET, Intelligent Voltage Stabilizer
GaN MOSFET Tech
GPU-FIRST Sensing
80+ Platinum Rated
Intelligent Stabilizer
4.7Editor score
CORSAIR RM1000x ATX 3.1 PCIe 5.1 1000W Power Supply – Black
ATX 3.1 Compliant
Cybenetics Gold Rated
Native 12V-2×6
Embossed Cables
4.5Editor score
MSI MPG A1000GS PCIE5 II, Fully Modular Gaming 1000W Power Supply, 80+ Gold, Dual 12V-2×6 Cables, Server-Grade Capacitor, ATX 3.1 & PCIe 5.1 Ready, Low-Noise, 8-pin PCIe x 3, 10 Year Warranty
Dual 12V-2×6 Cables
Server-Grade Capacitors
80+ Gold Rated
10 Year Warranty
4.3Editor score
be quiet! Power Zone 2 1000W, ATX 3.1, PCIe 5.1, 80+ Platinum Power Supply
80+ Platinum Certified
Zero RPM Cooling
Pure Wings 3 Fan
German Engineering
4.6Editor score
NZXT C1000 Gold Core – 1000W ATX 3.1 Power Supply, 80+ Gold
ATX 3.1 Certified
Dual Color Connector
FDB Zero RPM Fan
7 Year Warranty
4.6Editor score
1. CORSAIR RM1000x – Best Overall Power Supply
CORSAIR RM1000x ATX 3.1 PCIe 5.1 Ready Fully Modular 1000W Power Supply – Low-Noise, Cybenetics Gold Efficiency, Native 12V-2×6 Connector – Black
1000W Continuous Power
Native 12V-2×6
Cybenetics Gold Rated
Fully Modular Design
The CORSAIR RM1000x stands out as a top-tier power supply for modern high-performance gaming systems. With its ATX 3.1 compliance and native 12V-2×6 connector, it ensures compatibility with the latest graphics cards without needing adapters.
Pros
- Excellent efficiency performance
- Native cable support
- Silent operation
- High quality cables
- Strong warranty support
Cons
- Higher price point
- Non-extended connector
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Its Cybenetics Gold certification indicates excellent energy efficiency which translates to lower operating costs and reduced heat output. The embossed cables are highly flexible making cable management a breeze even in compact cases.
While the price is slightly higher than entry-level units the build quality and feature set justify the investment. Users may find the length of the cables slightly long for very small form factor builds requiring extra careful routing.
This unit is perfect for gamers and creators who need reliable power for top-end GPUs. It delivers stability and efficiency making it a smart choice for those planning future upgrades to their systems.
Native 12V-2×6 Connectivity
The direct connection ensures safe power delivery to next-gen GPUs reducing cable clutter and improving stability significantly.
Silent Operation
Advanced fan control technology keeps noise levels minimal allowing for immersive gaming experiences without fan distraction.
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2. Dell 1100W EPP – Best Budget Power Supply
Dell 1100W EPP 80+ Platinum PSU (CMPGM) (Renewed)
1100W High Output
80+ Platinum Certified
Modular Cabling
Renewed Condition
This Dell unit offers exceptional value for users needing high wattage without spending a fortune. As a renewed product it provides access to enterprise-grade reliability at a consumer-friendly price point.
Pros
- Extremely affordable
- Platinum efficiency
- Modular design
- Enterprise grade build
- High wattage
Cons
- Renewed product only
- Limited support
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The 80+ Platinum efficiency rating ensures that energy is converted to power efficiently reducing waste and heat. Modular cables allow for a cleaner installation which improves airflow inside the PC chassis.
Since it is a renewed unit buyers should inspect the item upon arrival for any cosmetic issues. Support might be limited compared to new retail products but the performance remains robust for daily use.
Ideal for budget-conscious builders needing significant power headroom this unit handles high-end components effectively. It is a smart choice for those prioritizing function over brand new packaging and warranty extras.
Cost Efficiency
Renewed options like this allow builders to save significantly while still accessing enterprise-level hardware specifications.
Power Capacity
With 1100W available you can power multiple GPUs or high-end CPUs without worrying about power limits.
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3. Asus ROG Strix – Best Premium Power Supply
Asus ROG Strix 1000W Platinum White PSU, Fully Modular, 80+ Platinum, ATX 3.1, PCIe 5.0, GaN MOSFET, Intelligent Voltage Stabilizer
GaN MOSFET Tech
GPU-FIRST Sensing
80+ Platinum Rated
Intelligent Stabilizer
The Asus ROG Strix brings high-end gaming aesthetics and cutting-edge technology together. The GaN MOSFET design improves efficiency and thermal performance significantly compared to traditional silicon based units.
Pros
- Premium aesthetics
- Advanced voltage tech
- Excellent cooling
- High quality build
- Low noise profile
Cons
- Very expensive
- White cables may yellow
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Its GPU-FIRST voltage sensing technology ensures that graphics cards receive stable power directly from the unit. This reduces voltage drops during heavy gaming loads maintaining smoother frame rates and consistent performance.
The price is certainly high reflecting the premium materials and advanced features. White cables can look great but may yellow over time if exposed to direct sunlight or heat which is a common trait for white wiring.
This unit is best suited for enthusiasts who want the best possible build quality and visual matching with their ROG components. It delivers top-tier performance and reliability for demanding professional and gaming workloads.
GaN Technology
Gallium Nitride components allow for a more compact design with less heat generation during operation.
Visual Aesthetics
The white finish matches well with modern themed builds offering a distinct look compared to standard black units.
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4. be quiet! Power Zone 2 – High Efficiency Power Supply
be quiet! Power Zone 2 1000W, ATX 3.1, PCIe 5.1, 80+ Platinum Power Supply
80+ Platinum Certified
Zero RPM Cooling
Pure Wings 3 Fan
German Engineering
be quiet! lives up to its name with the Power Zone 2 unit. The large 140mm fan ensures that cooling is efficient without generating unnecessary noise during typical usage scenarios.
Pros
- Silent operation
- High efficiency
- 140mm fan
- Excellent warranty
- Future proof
Cons
- Heavy unit
- Cables could be longer
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Platinum certification guarantees high energy efficiency which is beneficial for reducing heat output and power bills. The Zero RPM cooling mode ensures silent operation when the system is under low load such as during office work.
Users might find the unit quite heavy due to the robust internal construction. Cable length can be short for larger cases so careful planning is required to reach all components without strain.
This PSU is ideal for quiet workstation builds or gaming PCs where noise is a priority. It offers reliable performance and a strong warranty backing that gives users peace of mind.
Zero RPM Mode
The fan stops completely under light loads ensuring a silent experience for daily tasks and media consumption.
Efficiency Rating
Platinum certification means you get maximum efficiency which is vital for high wattage systems running constantly.
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5. Thermaltake Toughpower GF A3 – Reliable Power Supply
Thermaltake Toughpower GF A3 1050W, True 600W 12V-2×6 Connectors on PSU & NVIDIA RTX 50 Series, ATX 3.1/PCI-E 5.1, 80+ Gold, SLI/Crossfire Ready Power Supply, PS-TPD-1050FNFAGU-L, 10 Year Warranty
1050W Output
True 600W 12V
12V-2×6 Connector
10 Year Warranty
The Thermaltake Toughpower GF A3 is a solid mid-range option for those needing reliable power. Its True 600W 12V rail ensures that high-end GPUs get enough dedicated power without sharing with other components.
Pros
- Long warranty
- High 12V rail
- ATX 3.1 ready
- Modular design
- Affordable Gold
Cons
- Gold not Platinum
- Basic cable quality
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The ATX 3.1 compliance prepares the system for future graphics cards that require more power headroom and specific connectors. This future-proofing is valuable as GPU power demands continue to increase rapidly.
While the Gold efficiency is lower than Platinum it remains efficient enough for most users. The cables are functional but not as premium as those found on higher-end units which may affect cable management aesthetics.
This unit is best for gamers who want a balance of performance and price. The ten-year warranty adds significant value ensuring that the investment is protected over the long term.
Power Rail Design
A dedicated 12V rail provides stable power delivery essential for high performance graphics card stability.
Future Proofing
ATX 3.1 features ensure compatibility with upcoming hardware standards without needing replacement soon.
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6. CORSAIR RM1000e – Efficient Power Supply
CORSAIR RM1000e (2025) ATX 3.1 PCIe 5.1 Ready 1000W Power Supply – Black
1000W Continuous
Fully Modular
120mm Rifle Fan
Modern Standby Ready
The RM1000e offers a clean and efficient solution for modern builds. Its fully modular design allows you to connect only the cables you need reducing clutter and improving airflow in the case.
Pros
- Modular cables
- Low noise fan
- ATX 3.1 Ready
- High efficiency
- Reliable brand
Cons
- Standard 12V cables
- Limited features
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The rifle bearing fan is designed to be quiet even under high loads. This feature is great for users who want a silent environment without sacrificing cooling performance during intense gaming sessions.
While it supports the latest standards it may lack some of the advanced features found in higher-end models. The 12V cables are standard length which fits most cases but may not suit extreme custom loops.
This unit is perfect for builders seeking a balance of efficiency and simplicity. It provides the power needed for high-end systems without unnecessary frills or excessive cost.
Modular Design
Connecting only required cables helps maintain a clean interior which is crucial for good airflow and cooling.
Fan Noise
The rifle bearing fan maintains low noise levels ensuring a quiet experience during heavy usage.
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7. CORSAIR RM1000x – Strong Power Supply
CORSAIR RM1000x ATX 3.1 PCIe 5.1 1000W Power Supply – Black
1000W Output
Cybenetics Gold Rated
Native 12V-2×6
Embossed Cables
Another strong contender from Corsair the RM1000x brings excellent reliability to the table. The Cybenetics Gold rating ensures that energy waste is minimized leading to cooler and more efficient system operation.
Pros
- High efficiency
- Native connector
- Flexible cables
- Silent operation
- Strong warranty
Cons
- Similar to other x
- Price varies
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Its native 12V-2×6 connector makes it compatible with the newest high-wattage graphics cards. This reduces the need for adapters and potential risks associated with loose connections during heavy power draw.
The embossed cables are sleek and flexible making them easy to route inside the PC case. Some users might find the price varies depending on the seller or bundle options available on the market.
Ideal for gamers needing a stable power source this unit delivers consistent performance. It is a safe choice for high-end builds where reliability is more important than cutting-edge features.
Cybenetics Gold
Independent certification confirms high efficiency levels which benefits both power costs and system heat.
Cable Management
Embossed cables are easy to bend and secure making clean builds much simpler to achieve.
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8. MSI MPG A1000GS – Gaming Power Supply
MSI MPG A1000GS PCIE5 II, Fully Modular Gaming 1000W Power Supply, 80+ Gold, Dual 12V-2×6 Cables, Server-Grade Capacitor, ATX 3.1 & PCIe 5.1 Ready, Low-Noise, 8-pin PCIe x 3, 10 Year Warranty
1000W Capacity
Dual 12V-2×6
Server-Grade Caps
80+ Gold Rated
MSI brings a reliable option for gamers with the MPG A1000GS. The inclusion of dual native 12V-2×6 cables offers flexibility for systems requiring multiple power inputs for high-performance graphics cards.
Pros
- Dual native cables
- Long warranty
- Gold efficiency
- Server grade caps
- Modular design
Cons
- Basic features
- Noise under load
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Server-grade capacitors provide long-term stability and durability under stress. This internal component choice suggests a focus on longevity which is essential for builders planning to keep their PCs for years.
While efficient it does not match the silence of top-tier units under high loads. Some users might find noise levels noticeable during intense gaming sessions compared to premium silent models.
This PSU is a good fit for gamers wanting standard ATX 3.1 features without paying a premium. It offers solid performance and a ten-year warranty that ensures peace of mind for years.
Dual Native Cables
Having two native connectors simplifies setups for cards requiring multiple high-power connections without adapters.
Internal Components
Server-grade capacitors ensure stable performance even under high stress and temperature conditions.
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9. NZXT C1000 Gold Core – Clean Power Supply
NZXT C1000 Gold Core – 1000W ATX 3.1 Power Supply, 80+ Gold
1000W Output
Whisper-Quiet Fan
Fully Modular
FDB Zero RPM
NZXT continues to deliver sleek and efficient power solutions with the C1000 Gold Core. The fluid dynamic bearing fan ensures long-lasting quiet operation which complements minimalist case builds perfectly.
Pros
- Sleek design
- Silent operation
- FDB fan
- Good warranty
- Affordable
Cons
- Standard 12V cables
- Limited features
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Its Zero RPM mode means the fan does not spin at all during low-load tasks. This creates a completely silent environment which is ideal for users who value peace and quiet during work.
The unit lacks some advanced features like specialized transient protection found in premium models. However for standard builds it offers sufficient power and reliability at a competitive price point.
This is a great choice for those prioritizing aesthetics and silence. It provides ample power for high-end systems while keeping noise levels low and visual clutter minimal.
Fluid Dynamic Fan
FDB bearings ensure longevity and smooth operation reducing noise over the lifespan of the unit.
Whisper Quiet
Designed for silent operation the fan noise is minimal even under moderate load conditions.
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10. Dell 1100W EPP – Stable Power Supply
Dell 1100W EPP 80+ Platinum PSU (PR21C)
1100W Output
Enterprise Design
Platinum Efficiency
Standard Connectors
The Dell PR21C offers enterprise-grade stability for standard desktop builds. Its platinum efficiency ensures that energy is used effectively reducing waste and heat generation inside the PC case.
Pros
- High output
- Enterprise build
- Platinum rated
- Stable performance
- Affordable
Cons
- Non-modular
- Basic aesthetic
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While it is not modular it provides consistent power delivery suitable for servers and workstations. The build quality is robust as expected from Dell's enterprise line ensuring reliability over time.
Cable management may be more challenging due to fixed cables. This can restrict airflow in tighter cases if not routed carefully during the installation process.
This unit is best for budget-focused users needing high wattage reliability. It delivers steady power for demanding tasks without breaking the bank on unnecessary features.
Enterprise Build
Designed for servers this unit provides the stability required for continuous high-performance workloads.
Power Efficiency
Platinum efficiency ensures minimal energy loss which is crucial for high wattage systems.
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Buying Guide – How to Choose the Best 1100W PSU
Selecting the right power supply involves considering efficiency, connectors, and build quality. This guide outlines key factors to ensure you pick a unit that fits your needs.
Wattage and Headroom
A 1100W unit provides significant power for high-end GPUs and CPUs. Ensure your system draws enough to justify this capacity for efficiency benefits.
Look for a PSU that offers at least 20 percent headroom above your system's peak draw for stability.
Efficiency Ratings
Platinum or Gold ratings indicate how much energy is converted to power versus wasted as heat. Higher efficiency reduces electricity costs and keeps the system cooler.
Choose a certified unit to ensure reliable performance and energy savings over time.
Connector Types
Modern GPUs often require 12V-2×6 connectors to avoid adapter issues. Check if the unit includes native connectors for your specific graphics card model.
A native connector ensures safe and stable power delivery to your GPU without extra cables.
Modular Design
Fully modular PSUs allow you to connect only the cables you need reducing clutter. This improves airflow inside the case and makes installation easier.
Prioritize modular designs for better cable management and a cleaner internal appearance.
Cooling and Noise
A large high-quality fan ensures cooling without excessive noise. Zero RPM modes allow silent operation under light loads for quiet environments.
Check fan reviews to ensure the unit remains quiet during gaming sessions.
Build Quality and Protection
High-quality capacitors and robust circuitry protect your components from power surges. Look for units with multi-layer protection like OCP and OVP.
Invest in a unit with proven internal components to safeguard your hardware.
Warranty and Support
A long warranty period indicates manufacturer confidence in the product's durability. Aim for at least a five-year warranty for peace of mind.
Choose a brand with strong customer support for reliable assistance if issues arise.
How to Use and Care for Your 1100W PSU
Ensure the PSU is mounted firmly in your case to prevent vibration. Proper mounting reduces mechanical stress on internal components and connectors.
Route all cables neatly using ties to avoid blocking airflow. Good airflow helps the fan maintain efficient cooling without excessive noise.
Regularly dust the fan intake to maintain cooling efficiency. A dusty fan may spin louder or overheat during high-load gaming sessions.
Frequently Asked Questions
Is 1100W enough for RTX 50 series GPUs?
Yes a 1100W PSU is sufficient for most high-end RTX 50 series cards. It provides enough headroom for overclocking and multiple GPU setups without stress.
What is the difference between Gold and Platinum?
Platinum units are slightly more efficient converting more power with less heat. They run cooler and quieter but cost more than Gold rated units.
Do I need a modular PSU?
Modular PSUs simplify cable management and improve airflow. They are optional but recommended for cleaner builds and easier installation.
What is the 12V-2×6 connector?
It is a new standard connector for next-gen GPUs. Using a native connector ensures safe power delivery without adapters.
How long does a PSU typically last?
High-quality PSUs often last five to ten years or more. Proper care and avoiding overload extend the lifespan significantly.
Can I use an older PSU with new GPUs?
Older units may lack required connectors or stability. New ATX 3.1 units are safer for modern power-hungry graphics cards.
Final Thoughts on Choosing the Best 1100W PSU
We highlighted top picks like the CORSAIR RM1000x and Dell Renewed units for different budgets. Each option offers reliability for demanding systems.
Prioritize efficiency and native connectors to ensure future compatibility. A solid PSU protects your investment and ensures stable performance.
Always check current availability and prices before buying. Prices vary frequently so verify the latest deal for your specific needs.