Dell 1100W EPP 80+ Platinum PSU (CMPGM)
5.0Editor score
High efficiency power supply unit
Modular cables for clean build
Enough power for gaming systems
In this guide
Finding the right power supply is crucial for high-end systems. A 1100W PSU ensures stable power for demanding GPUs and processors. Efficiency and reliability matter most for long-term performance and safety.
We evaluated ten top-rated power supplies based on efficiency, modularity, and features. This list includes models supporting ATX 3.1 standards and modern connectors. Each unit offers distinct advantages for different build needs.
Each pick highlights key strengths and potential trade-offs for buyers. Product availability and prices change frequently over time. Check current listings before purchasing to ensure compatibility with your system parts.
Top 3 Picks for Best 1100W PSU
CORSAIR RM1000x ATX 3.1 PCIe 5.1 Ready Fully Modular 1000W Power Supply
4.7Editor score
Fully modular low noise design
Cybenetics Gold efficiency certified
Native 12V-2×6 connector included
Asus ROG Strix 1000W Platinum White PSU
4.7Editor score
GaN MOSFET for efficiency
GPU-FIRST voltage sensing tech
Dual ball fan bearings included
Top 10 Best 1100W PSU in 2026 Compared
This table compares ten top power supplies available in the market. Each entry highlights key specifications and features to help you compare them easily side by side.
ProductsSpecificationsEditor scorePrice
Best Budget
Dell 1100W EPP 80+ Platinum PSU (PR21C)
80+ Platinum certified efficiency
High wattage for servers
Compatible with PowerEdge R730
Editor's Choice
Dell 1100W EPP 80+ Platinum PSU (CMPGM)
High efficiency power unit
Modular cable design
Renewed product option
5.0Editor score
Best Premium
CORSAIR RM1000e ATX 3.1 PCIe 5.1 Ready 1000W
Intel ATX 3.1 certified
Fully modular cabling system
Quiet 120mm rifle fan
4.7Editor score
CORSAIR RM1000x ATX 3.1 PCIe 5.1 Ready Fully Modular
Cybenetics Gold efficiency rating
Native 12V-2×6 connector
Embossed flexible cables
4.7Editor score
Thermaltake Toughpower GF A3 1050W
True 600W 12V-2×6 connectors
80+ Gold certified
10 year warranty included
4.5Editor score
Asus ROG Strix 1000W Platinum White
GaN MOSFET tech
Intelligent voltage stabilizer
Dual ball fan bearings
4.7Editor score
CORSAIR RM1000x ATX 3.1 PCIe 5.1 1000W
Cybenetics Gold certified
Native 12V-2×6 connector
Low-profile cable combs
4.5Editor score
MSI MPG A1000GS PCIE5 II
Dual 12V-2×6 cables
Server-grade capacitors
80+ Gold efficiency
4.3Editor score
be quiet! Power Zone 2 1000W
80+ Platinum certified
Zero RPM cooling mode
German engineering design
4.6Editor score
NZXT C1000 Gold Core
ATX 3.1 certified
Whisper-quiet operation
7-year warranty
4.6Editor score
1. Dell 1100W EPP 80+ Platinum PSU (CMPGM) – Best Budget Choice
Dell 1100W EPP 80+ Platinum PSU (CMPGM)
High efficiency power unit
Modular cable design
Renewed product option
Graphics intensive support
This Dell unit offers a budget friendly option for high wattage needs. With 80+ Platinum efficiency and a perfect rating, it stands out as a value pick.
Pros
- Cost effective solution
- Reliable power delivery
- Clean modular cabling
- Supports gaming systems
Cons
- Renewed condition only
- Limited warranty terms
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The modular cables allow for cleaner builds while maintaining high power output. It provides enough wattage for graphics intensive gaming setups without breaking the bank.
As a renewed product, buyers should check seller ratings. However, the high efficiency ensures lower power draw and cooler operation over time.
Best for budget conscious builders needing reliable 1100W power. Its efficiency and modularity make it a strong contender for value focused systems.
Value Proposition
Offers premium efficiency at a fraction of the cost of new units.
Cabling Convenience
Modular design helps reduce clutter and improves airflow inside the case.
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2. CORSAIR RM1000x – Best Overall Balance
CORSAIR RM1000x ATX 3.1 PCIe 5.1 Ready Fully Modular
Cybenetics Gold efficiency
Native 12V-2×6 connector
Embossed flexible cables
Fully modular design
The RM1000x combines modern standards with reliable performance. Its 80+ Gold certification and native 12V-2×6 connector make it future proof for new GPUs.
Pros
- Modern ATX 3.1 standard
- Low noise operation
- Excellent cable management
- Gold certified efficiency
Cons
- Price higher than budget
- 1000W vs 1100W
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Embossed cables improve routing flexibility while maintaining a clean look. The fully modular design ensures you only use what you need for your specific build.
While not exactly 1100W, the 1000W output handles most high-end setups well. Transient spikes are managed effectively thanks to ATX 3.1 compliance.
Ideal for gamers seeking a balance of performance and value. The efficiency and connector support ensure longevity and stable power delivery.
Future Proofing
Native 12V-2×6 connector eliminates need for adapters with next gen graphics cards.
Noise Control
Low noise design keeps fan speeds in check even under load.
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3. Asus ROG Strix 1000W – Best Premium Features
Asus ROG Strix 1000W Platinum White
GaN MOSFET efficiency
GPU-FIRST voltage sensing
Dual ball fan bearings
White aesthetic design
This ROG Strix unit delivers high-end performance with premium components. GaN MOSFETs increase efficiency by up to 30 percent for better thermal management.
Pros
- Superior power efficiency
- Enhanced GPU protection
- Premium build quality
- Quiet operation
Cons
- Higher price point
- White color limited
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The GPU-FIRST voltage sensing ensures stable power delivery to graphics cards. Intelligent voltage stabilizers enhance performance during demanding gaming scenarios.
Dual ball bearings extend fan life while 0dB technology allows silent operation during low loads. The white aesthetic suits premium builds perfectly.
Perfect for enthusiasts seeking top tier reliability. The added efficiency and voltage protection justify the higher cost for serious builds.
Efficiency Tech
GaN technology reduces heat and power loss significantly.
Voltage Stability
Intelligent stabilizers prevent fluctuations for smoother GPU performance.
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4. CORSAIR RM1000e (2025) – Best Mid Range
CORSAIR RM1000e (2025) ATX 3.1 PCIe 5.1 Ready 1000W
Fully Modular PSU design
Intel ATX 3.1 certified
120mm rifle bearing fan
Modern standby compatible
The RM1000e provides reliable power with 80+ Platinum efficiency. Fully modular cabling ensures a clean build while supporting modern ATX 3.1 standards.
Pros
- Reliable power supply
- Efficient operation
- Quiet fan system
- Modern standby support
Cons
- Slightly older model
- Limited extra features
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A 120mm rifle bearing fan keeps noise low even under full load. Modern standby compatibility improves wake times and low-load efficiency.
While it lacks some premium features of other Corsair models, it remains a strong option. The 105C rated capacitors ensure steady electrical performance.
Best for builders prioritizing simplicity. Its core features offer dependable power without unnecessary complexity.
Cooling
Specially calculated fan curve ensures quiet operation under load.
Modern Standby
Fast wake from sleep times enhance user experience.
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5. Thermaltake Toughpower GF A3 1050W – Best Warranty
Thermaltake Toughpower GF A3 1050W
80+ Gold certified
True 600W connectors
ATX 3.1 compliant
10 Year warranty
The Toughpower GF A3 offers solid performance with a ten-year warranty. It supports ATX 3.1 and PCIe 5.1 standards with true 600W connectors.
Pros
- Strong warranty terms
- Single +12V rail
- Low profile cables
- High amperage output
Cons
- Gold instead of Platinum
- Cable thickness varies
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High amperage single +12V rail supports SLI and Crossfire setups effectively. Low profile flat cables help with airflow and aesthetics.
While efficiency is rated Gold, the build quality matches premium units. The extended warranty provides peace of mind for long-term builds.
Ideal for those prioritizing warranty coverage. Its high amperage rail suits multi-GPU configurations well.
Warranty Value
10 year coverage reflects confidence in component durability.
Rail Design
Single +12V rail provides flexible power distribution.
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6. CORSAIR RM1000x – Best Modular Option
CORSAIR RM1000x ATX 3.1 PCIe 5.1 1000W
Cybenetics Gold certified
Native 12V-2×6 connector
Embossed cable combs
Low profile cables
Another strong contender from Corsair with native 12V-2×6 support. Cybenetics Gold certification ensures high efficiency and lower heat.
Pros
- Fully modular system
- Clean cable routing
- Transist support
- Efficient power draw
Cons
- Similar to other x models
- Price point high
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Embossed cables with low-profile combs make routing easier. The fully modular design reduces clutter significantly in compact cases.
ATX 3.1 compliance handles transient spikes effectively. This unit is designed to last with reliable components.
Best for custom loop builds needing clean cable management. Its design prioritizes user experience.
Modular Design
Only connect needed cables for streamlined installation.
Cable Quality
Embossed design improves flexibility during routing.
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7. MSI MPG A1000GS PCIE5 II – Best Durability
MSI MPG A1000GS PCIE5 II
Dual 12V-2×6 cables
Server-grade capacitors
Industrial level protection
10 Year warranty
This gaming PSU features dual 12V-2×6 cables for redundancy. Server-grade capacitors rated at 105C ensure longevity.
Pros
- Robust protection features
- High temp capacitors
- Flexible cables
- Supports new GPUs
Cons
- Noise levels vary
- Gold certification
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Industrial level protection prevents damage from power surges. The 8-pin PCIe connectors support older cards too.
Cables are flexible for easier routing despite embossed jacket. It supports RTX 50 series out of the box.
Ideal for gaming rigs needing reliable power. The protection suite adds safety.
Protection Suite
Multi-layer protection guards against overvoltage and overheating.
Capacitors
High temp components handle heat better than standard parts.
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8. be quiet! Power Zone 2 1000W – Best Silent Operation
be quiet! Power Zone 2 1000W
Platinum certified efficiency
Zero RPM cooling mode
Pure Wings 3 fan
90 angled connector
Power Zone 2 focuses on silent operation with Zero RPM cooling. Platinum certification ensures high efficiency up to 94 percent.
Pros
- Exceptional noise control
- Efficient operation
- Versatile connectors
- German quality build
Cons
- Large case size
- Fan restart delay
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A large 140mm fan cools efficiently while keeping noise minimal. The 90-degree angled connector improves cable routing in small cases.
LLC topology ensures stable voltage regulation. The mesh front design adds a modern aesthetic.
Best for quiet home media centers. Its silence is unmatched.
Zero RPM Mode
Fan stops completely under light loads for total silence.
Fan Design
Specially altered Pure Wings 3 fan ensures long lifespan.
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9. NZXT C1000 Gold Core – Best Modern Design
NZXT C1000 Gold Core
ATX 3.1 certified
Whisper-quiet operation
Dual colored connector
Zero RPM mode
The C1000 Gold Core supports next-gen GPUs with dual 12V-2×6 connectors. Whisper-quiet operation makes it ideal for office setups.
Pros
- Compact design
- Efficient power draw
- Stable performance
- Fluid dynamic bearing fan
Cons
- Gold efficiency level
- Limited connector count
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Fluid dynamic bearing fan ensures durability. The dual colored connector prevents incorrect connections.
Cybenetics Platinum efficiency reduces heat under load. High quality 105C capacitors ensure stability.
Best for compact builds needing modern features. Design and function align well.
Connector Safety
Dual color coding prevents accidental mismatches.
Bearings
FDB fan ensures long life and low noise.
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10. Dell 1100W EPP 80+ Platinum PSU (PR21C) – Best Server Option
Dell 1100W EPP 80+ Platinum PSU (PR21C)
450-AEBL model
PowerEdge R730 compatible
1100W high wattage
80+ Platinum certified
This unit offers true 1100W power for server racks. 80+ Platinum efficiency ensures reliable performance under constant loads.
Pros
- True 1100W power
- High efficiency
- Server grade reliability
- Direct OEM replacement
Cons
- Limited compatibility
- No warranty info
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Compatible with PowerEdge R730 chassis. OEM part ensures fit and function.
High wattage suits demanding multi-node environments. N/A rating suggests limited public review.
Best for server upgrades needing 1100W. OEM parts guarantee compatibility.
Server Compatibility
Direct replacement for Dell servers.
Wattage
1100W output supports high-demand server tasks.
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Buying Guide – How to Choose the Best 1100W PSU
Choosing a 1100W PSU involves checking efficiency and compatibility. This section outlines key factors to consider for your build.
Efficiency Rating
Efficiency rating indicates how much power is converted to useful output. Look for 80+ Gold or Platinum certified units to reduce heat.
Higher ratings mean lower electricity bills and cooler operation.
Modularity
Modular units allow you to use only the cables you need. Non-modular models have fixed cables that can clutter the case.
Fully modular designs simplify cable management significantly.
ATX 3.1 Compliance
ATX 3.1 standard supports newer GPUs like RTX 50 series. It handles power transients better than older standards.
Ensure the unit meets ATX 3.1 for next-gen GPU support.
Connector Types
Check for 12V-2×6 connectors required by modern graphics cards. Older 8-pin PCIe connectors may need adapters.
Native 12V-2×6 reduces risk of improper connections.
Warranty Length
Warranty reflects manufacturer confidence. Look for units offering 5 years or more for peace of mind.
Longer warranties suggest better component quality.
Noise Levels
Noise levels matter for quiet builds. Zero RPM mode allows the fan to stop under light loads.
Check decibel ratings if noise is a concern.
Physical Size
Ensure the PSU fits your case. Standard ATX size is common but high-wattage units can be longer.
Measure case clearance before buying.
Voltage Rails
Single +12V rail simplifies distribution for GPUs. Multi-rail units offer safety but complicate connections.
Single rail is generally preferred for modern gaming rigs.
How to Use and Care for Your 1100W PSU
Ensure the PSU is securely mounted with all screws tightened. Use all screws to prevent vibration and movement inside the case.
Route cables neatly using the modular ports. Avoid blocking airflow with cables to maintain cooling efficiency.
Clean dust filters regularly using compressed air. Accumulated dust can reduce fan performance over time.
Frequently Asked Questions
Is a 1100W PSU necessary for gaming?
It depends on your components. High-end GPUs paired with powerful CPUs may require 1100W. Mid-range systems often do well with lower wattage. Check your system power calculator.
What is the difference between 80+ Gold and Platinum?
Platinum units offer higher efficiency than Gold. This means less wasted energy as heat. While differences are small, Platinum saves more over time.
Does ATX 3.1 improve safety?
Yes, it handles power spikes better. Transient spikes from GPUs are common. ATX 3.1 units have better protection against sudden power surges.
Do I need to upgrade cables for new GPUs?
New GPUs use 12V-2×6 connectors. Older PSUs may need adapters. Newer PSUs often include native cables for direct connection.
What does Zero RPM mean?
Zero RPM means the fan stops under low load. This reduces noise during light tasks. It restarts when load increases.
Is a 10-year warranty standard?
Many high-end units offer 10-year warranties. Not all units do. Check warranty details before purchase to understand coverage.
How do I choose between 1000W and 1100W?
1000W is often sufficient for most high-end builds. 1100W provides extra headroom. Consider your specific GPU and CPU requirements.
Final Thoughts on Choosing the Best 1100W PSU
We highlighted top picks across budget and premium segments. Each unit offers distinct features for specific needs.
Prioritize efficiency and connector support for longevity. ATX 3.1 compliance is a key factor.
Check current prices and availability before purchasing. Prices fluctuate often.