Dell 1100W EPP 80+ Platinum PSU (CMPGM) (Renewed)
5.0Editor score
High efficiency 80+ Platinum
Modular cables included
Renewed cost-effective option
In this guide
Finding the right power supply is critical for system stability. A high wattage unit ensures your components receive clean power. Look for efficiency ratings and modern connectors.
We evaluated ten top models based on build quality and specs. Each unit offers different features like modular cables or silent fans. Our list covers various needs from budget to premium.
Each pick highlights key strengths and potential trade-offs. Ratings reflect user feedback and technical specs. Prices change frequently so check current listings before buying.
Top 3 Picks for Best 1100W PSU
CORSAIR RM1000e (2025) ATX 3.1 PCIe 5.1 Ready 1000W Power Supply – Black
4.7Editor score
ATX 3.1 Certified
Fully modular cabling
Quiet operation design
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 technology
Intelligent voltage stabilizer
Premium white design
Top 10 Best 1100W PSU in 2026 Compared
This side-by-side comparison highlights the key specifications and features of the top ten power supply units available for high-performance computing needs.
ProductsSpecificationsEditor scorePrice
Best Budget
Dell 1100W EPP 80+ Platinum PSU (PR21C)
1100W Wattage
80+ Platinum Efficiency
Server Grade Unit
Fixed Cable Design
Editor's Choice
Dell 1100W EPP 80+ Platinum PSU (CMPGM) (Renewed)
1100W Wattage
80+ Platinum Efficiency
Modular Cables
Renewed Condition
5.0Editor score
Editor's Choice
CORSAIR RM1000e (2025) ATX 3.1 PCIe 5.1 Ready 1000W Power Supply – Black
1000W Wattage
ATX 3.1 Certified
Fully Modular
Low Noise Fan
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
1000W Wattage
Cybenetics Gold Efficiency
Native 12V-2×6
Low Profile 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
1050W Wattage
80+ Gold Efficiency
ATX 3.1 Ready
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
1000W Wattage
80+ Platinum Efficiency
GaN MOSFET Tech
White Aesthetic
4.7Editor score
CORSAIR RM1000x ATX 3.1 PCIe 5.1 1000W Power Supply – Black
1000W Wattage
Cybenetics Gold Certified
ATX 3.1 Compliant
12V-2×6 Native
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
1000W Wattage
80+ Gold Efficiency
Dual 12V-2×6
Server Grade Caps
4.3Editor score
be quiet! Power Zone 2 1000W, ATX 3.1, PCIe 5.1, 80+ Platinum Power Supply
1000W Wattage
80+ Platinum Efficiency
Semi-Passive Cooling
German Engineering
4.6Editor score
NZXT C1000 Gold Core – 1000W ATX 3.1 Power Supply, 80+ Gold
1000W Wattage
80+ Gold Efficiency
Cybenetics Platinum
Zero RPM Mode
4.6Editor score
1. Dell 1100W EPP 80+ Platinum PSU (CMPGM) (Renewed) – Best Budget Option
Dell 1100W EPP 80+ Platinum PSU (CMPGM) (Renewed)
1100W Output
80+ Platinum Rated
Modular Cabling
Server Grade Build
This Dell unit stands out as an incredible value for builders needing massive wattage on a budget. With a perfect 5.0 rating from users, it proves that server-grade hardware can be reliable in consumer builds.
Pros
- High efficiency rating
- Affordable renewed price
- Modular cable management
- Solid server heritage
- Reliable power delivery
Cons
- Renewed condition only
- Limited retail warranty
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The 80+ Platinum efficiency ensures minimal energy waste and lower heat output. Modular cables make installation cleaner, and the high wattage headroom supports demanding GPUs without strain.
While it is a renewed unit, buyers should be comfortable with refurbished electronics. Warranty coverage may differ from new retail models so check seller terms before purchasing.
This pick is ideal for cost-conscious gamers or server enthusiasts needing power reliability. It offers a rare blend of high efficiency and low cost that few consumer units match.
Server Grade Reliability
Built for enterprise environments, this PSU offers industrial-grade components that ensure stable power delivery even under heavy loads.
Cost Effective Performance
You get premium efficiency and wattage without paying premium prices making it the best budget choice on this list.
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2. Dell 1100W EPP 80+ Platinum PSU (PR21C) – Best Value
Dell 1100W EPP 80+ Platinum PSU (PR21C)
1100W Output
80+ Platinum Rated
High Wattage
Enterprise Quality
The Dell PR21C brings server power to your desk. It delivers 1100W of stable power with Platinum efficiency. While it lacks some modern gaming features its reliability is unmatched in this price range.
Pros
- Massive power capacity
- Platinum efficiency level
- Server proven design
- Competitive pricing
- Durable construction
Cons
- Fixed cable design
- Limited consumer features
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Its main strength is consistent power delivery under load. You can pair it with multiple high-end cards without worrying about wattage limits. The build quality reflects its enterprise origins.
Fixed cables might make routing harder in tight cases. It also lacks the aesthetic styling some gamers prefer. But for pure function it delivers immense value.
Choose this if you need raw power and efficiency without frills. It is perfect for workstations or budget builds that prioritize performance over looks.
Enterprise Power Delivery
Designed for data centers this unit offers the kind of reliability you expect from critical infrastructure equipment.
Efficient Energy Use
The Platinum rating means less electricity is wasted as heat helping to lower your long term power bills.
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3. CORSAIR RM1000e (2025) ATX 3.1 PCIe 5.1 Ready 1000W Power Supply – Black – Best Overall
CORSAIR RM1000e (2025) ATX 3.1 PCIe 5.1 Ready 1000W Power Supply – Black
1000W Output
ATX 3.1 Certified
Fully Modular
Rifle Bearing Fan
The RM1000e brings modern standards to the table. It supports ATX 3.1 and PCIe 5.1 ensuring compatibility with the latest graphics cards. Its 4.7 rating highlights its balance of features and cost.
Pros
- Future proof standards
- Excellent noise control
- Clean cable management
- Reliable performance
- Strong warranty support
Cons
- 1000W not 1100W
- Mid tier pricing
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The rifle bearing fan keeps noise down even under load. Modular cabling helps maintain airflow and aesthetics inside the case. Capacitors rated for high heat ensure longevity.
It offers slightly less wattage than some 1100W alternatives. If you plan on extreme overclocking you might need more headroom. But for most users it is sufficient.
This is the best all-rounder for modern gaming rigs. It delivers on all fronts without breaking the bank. A solid choice for anyone upgrading to new hardware.
Next Gen Compatibility
ATX 3.1 certification means this unit handles transient power spikes from new GPUs with ease.
Silent Operation
The specially calculated fan curve keeps noise minimal even when the system is working hard.
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4. 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 – Best Premium
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 Output
Cybenetics Gold Rated
Native 12V-2×6
Embossed Cables
The RM1000x is a premium choice for builders who value quality. It features native 12V-2×6 connectors so you do not need adapters. This simplifies setup for new RTX cards.
Pros
- High efficiency rating
- Native GPU connectors
- Premium cable design
- Low noise levels
- Strong brand support
Cons
- Higher price point
- Less wattage headroom
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Cybenetics Gold certification ensures top-tier efficiency. The embossed cables look great and are easy to route. Fans run quietly thanks to optimized design.
It carries a higher price tag than some rivals. The wattage is capped at 1000W which might not suit extreme setups. But quality is consistent.
Perfect for builders seeking style and substance. The native connector is a huge plus. It justifies the cost with reliable performance and good aesthetics.
Native 12V-2×6 Support
Direct GPU connection without adapters ensures better stability and ease of installation for new graphics cards.
Aesthetic Cable Design
Embossed cables with low-profile combs make cable management cleaner and improve airflow inside your case.
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5. Thermaltake Toughpower GF A3 1050W – Best Mid Range
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
80+ Gold Efficiency
ATX 3.1 Ready
10 Year Warranty
The Toughpower GF A3 offers a solid middle ground. It provides enough wattage for high-end single GPU builds. The 10-year warranty gives peace of mind over the long term.
Pros
- Strong warranty period
- Mid tier wattage
- Native connectors
- Gold efficiency
- Crossfire ready
Cons
- Gold not Platinum
- Limited noise data
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ATX 3.1 support makes it future proof for new hardware. Cables are flat and modular which aids airflow. Gold efficiency reduces electricity bills compared to Bronze units.
It lacks the efficiency of Platinum units. Noise performance is not explicitly detailed in all reviews. But it is reliable for standard gaming systems.
Choose this for a balanced build without breaking the budget. The warranty is a strong selling point. It is a safe pick for most gamers.
Long Term Protection
A 10 year warranty indicates high confidence in component durability and long term reliability.
Future Proof Connectors
Native 12V-2×6 connectors ensure compatibility with upcoming NVIDIA and AMD GPUs without adapters.
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6. Asus ROG Strix 1000W Platinum White – Best Aesthetic
Asus ROG Strix 1000W Platinum White PSU, Fully Modular, 80+ Platinum, ATX 3.1, PCIe 5.0, GaN MOSFET, Intelligent Voltage Stabilizer
1000W Output
80+ Platinum Rated
GaN MOSFET
White Color
This unit is perfect for white builds. The design is clean and matches RGB components. GaN MOSFETs improve efficiency significantly over older designs. The Intelligent Voltage Stabilizer ensures stable GPU power.
Pros
- White design match
- High efficiency tech
- Voltage stabilizer
- Platinum rating
- Strong brand
Cons
- Premium price
- Specific color only
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Platinum efficiency means low heat and electricity use. Fan bearings are durable and support long lifespan. The stabilizer reduces voltage drops during high load gaming.
It is expensive compared to standard units. You pay for aesthetics and advanced tech. Not ideal if color does not matter.
Choose for a pristine white setup. The tech is genuinely superior. It justifies the cost if you value looks and peak performance.
N Advanced Tech
GaN MOSFETs provide superior efficiency and heat management compared to standard silicon components.
Intelligent Stabilization
Voltage sensing technology enhances delivery to your GPU for smoother gameplay performance.
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7. CORSAIR RM1000x ATX 3.1 PCIe 5.1 1000W Power Supply – Black – Best Standard
CORSAIR RM1000x ATX 3.1 PCIe 5.1 1000W Power Supply – Black
1000W Output
ATX 3.1 Ready
Fully Modular
Gold Efficiency
This version of the RM1000x is the reliable workhorse. It offers all the modern specs you need like ATX 3.1 support. It is a safe bet for most builds.
Pros
- Standard reliable build
- Future compliant
- Clean installation
- Silent operation
- Widely available
Cons
- Standard features only
- No unique tech
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Modular cables keep the case organized. Efficiency is solid and noise is low. It fits well in mid to high-end rigs without issues.
It lacks unique features of the premium models. If you want top specs you might look elsewhere. But it covers the basics perfectly.
Select this for a hassle free build. It works with everything and performs well. Good value for standard gaming needs.
Modern Standards
Supports the latest ATX 3.1 standard ensuring readiness for next generation graphics cards.
Silent Gaming
Quiet operation ensures the system does not distract during intense gaming sessions.
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8. MSI MPG A1000GS PCIE5 II – Best Gaming
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 Output
Dual 12V-2×6
Server Grade Caps
10 Year Warranty
The MSI unit is built for gamers. Dual 12V-2×6 cables ensure you have enough connections. Server grade capacitors add robustness. It covers all the basics well.
Pros
- Gaming focused design
- Dual GPU cables
- Strong warranty
- Server components
- Quiet operation
Cons
- Average efficiency
- Fewer premium features
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Protection features are comprehensive including OVP and OCP. Warranty support is solid for peace of mind. It handles standard GPU loads without trouble.
It is not the most efficient on the list. Advanced tech is minimal. But it is reliable enough for general use.
Choose if you want a solid gaming unit. The dual cables are helpful. It is a decent value for builders on a budget.
Server Grade Durability
Capacitors rated for high temperatures ensure longevity and stability under sustained loads.
Gaming Optimized
Designed to support high-performance GPUs with sufficient power and protection features.
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9. be quiet! Power Zone 2 1000W – Best Silent
be quiet! Power Zone 2 1000W, ATX 3.1, PCIe 5.1, 80+ Platinum Power Supply
1000W Output
80+ Platinum Rated
Zero RPM Mode
German Engineering
The Power Zone 2 lives up to its name. It offers silence thanks to a large 140mm fan. Zero RPM mode ensures it stays off during light tasks. Perfect for quiet offices.
Pros
- Extremely quiet operation
- Platinum efficiency
- Large fan design
- Future proof
- Clean aesthetic
Cons
- Price can be high
- Specific design look
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Platinum efficiency means less waste. ATX 3.1 support ensures compatibility. Build quality reflects German engineering standards. It is a robust unit.
It may be pricier than average. The mesh front is distinctive but may not fit all styles. But noise is a major win.
Ideal for silent PC enthusiasts. The fan is top tier. It delivers power quietly and efficiently without compromising performance.
Zero RPM Silence
The fan stops completely at low loads ensuring near silent operation during light use.
German Quality
Built to strict quality standards ensuring reliability and consistent performance over time.
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10. NZXT C1000 Gold Core – Best Compact Choice
NZXT C1000 Gold Core – 1000W ATX 3.1 Power Supply, 80+ Gold
1000W Output
80+ Gold Rated
Fluid Dynamic Fan
Zero RPM Mode
The NZXT unit is a great mid range choice. It supports new standards while maintaining Gold efficiency. The fan uses fluid dynamic bearings for longevity and low noise.
Pros
- Reliable brand
- Gold efficiency
- Quiet fan design
- ATX 3.1 Ready
- Modular cables
Cons
- Standard features
- Not premium grade
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Modular cables help with cleanliness. Zero RPM mode keeps noise down when idle. Protection features are included. It is a solid pick.
It does not offer Platinum efficiency. It lacks unique standout tech. But it covers the essentials well enough.
Select for a balanced budget build. It is reliable and easy to install. Good for most users needing decent wattage.
Fluid Dynamics
Fluid Dynamic Bearing technology ensures the fan runs smoothly and lasts longer than sleeve bearings.
Zero RPM Mode
Fan stops at low loads to reduce noise during quiet moments or light tasks.
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Buying Guide – How to Choose the Best 1100W PSU
Choosing the right PSU requires understanding key technical factors that affect performance longevity and efficiency.
Wattage Requirements
Ensure the PSU provides enough wattage for your CPU and GPU. Always aim for a headroom of 20 percent above your peak load to maintain stability.
Check the specific wattage needs of your components before buying.
Efficiency Ratings
Efficiency ratings like 80 Plus Gold or Platinum indicate how much energy is wasted as heat. Higher efficiency means lower bills and cooler operation.
Prioritize Gold or Platinum units for better value over time.
Connectivity Standards
Modern GPUs use new connectors like 12V-2×6. Ensure your PSU supports ATX 3.1 to avoid using adapters.
Always check connector types before buying a unit.
Modular Cabling
Modular cables allow you to connect only what you need. This improves airflow and cable management inside the case.
Opt for fully modular designs for easier builds.
Noise Levels
Look for units with quiet fans and smart cooling profiles. Large fans often move more air at lower speeds.
Check noise ratings in decibels if silence matters.
Warranty and Support
A long warranty reflects manufacturer confidence. Aim for at least 7 to 10 years of coverage for peace of mind.
Verify warranty terms in your region before purchase.
How to Use and Care for Your 1100W PSU
Install the PSU in a case with good airflow. Position it so dust filters face the intake direction to keep internals clean.
Connect all cables firmly to their respective ports. Double check GPU power connections to prevent intermittent issues during heavy use.
Clean dust from the fan and vents regularly. Use compressed air every few months to maintain cooling performance and longevity.
Frequently Asked Questions
Do I really need 1100W for gaming?
Most gaming rigs need 850W to 1000W. 1100W is useful for extreme multi GPU setups or heavy workstation tasks. Check your specific component needs.
What is the benefit of 80 Plus Platinum?
Platinum rated units waste less energy as heat compared to lower ratings. This leads to lower electricity bills and cooler case temperatures overall.
Are renewed PSUs safe to use?
Renewed units are tested and refurbished. They often cost less but warranty coverage may be shorter. Ensure the seller offers a reliable return policy.
Why choose ATX 3.1?
ATX 3.1 ensures your PSU handles transient spikes from modern GPUs safely. It includes native connectors like 12V-2×6.
Can I use a 1100W PSU in a small case?
Yes but check dimensions. Larger PSUs need clearance for airflow. Small cases may benefit from SFX units though wattage options are limited.
How do I clean my PSU safely?
Turn off and unplug the system. Use compressed air to blow dust out of vents. Do not disassemble the unit as capacitors hold a charge.
What happens if the PSU fails?
A faulty PSU can cause instability. Modern units have protections against surges. If you suspect failure test with a multimeter or replace it.
Is a better PSU worth the extra cost?
Yes for high-end systems. Better efficiency and build quality protect your investment. The difference is small compared to component costs.
Final Thoughts on Choosing the Best 1100W PSU
We have reviewed ten top options ranging from budget server units to premium gaming models. Each offers unique strengths for different needs.
Prioritize wattage headroom and modern standards like ATX 3.1. Efficiency and noise levels also matter for long term use.
Prices change frequently so verify current listings before finalizing your build. Choose a unit that fits your budget and performance goals.