Thermaltake Smart 500W 80+ White Certified PSU
4.6Editor score
80 Plus Certified
Ultra Quiet Fan
5 Year Warranty
In this guide
Choosing the right power supply is critical for system stability and longevity. A quality unit ensures clean power delivery to all components while minimizing noise and heat output for efficient operation.
We analyzed ten top-rated models based on efficiency ratings, build quality, and user feedback. Each option offers unique features tailored to different build requirements and performance needs across various system types.
Each pick highlights key strengths and ideal use cases for potential buyers. Please note that prices fluctuate frequently due to market conditions and availability changes on retailer platforms.
Top 3 Picks for Best Be Quiet Power Supplies
be quiet! Pure Power 12 550W Power Supply
4.8Editor score
ATX 3.1 Support
Quiet Operation
German Engineering
be quiet! Dark Power 13 1000W, ATX 3.1, PCIe 5.0, 80+ Titanium Power Supply
4.4Editor score
80 PLUS Titanium
ATX 3.0
Silent Wings Fan
Top 10 Best Be Quiet Power Supplies in 2026 Compared
The following table provides a side-by-side comparison of all featured power supplies, highlighting their wattage, efficiency ratings, and key specifications to help you choose the right unit.
ProductsSpecificationsEditor scorePrice
Best Budget
be quiet! Dark Power 13 1000W
1000W Output
80 PLUS Titanium
ATX 3.0
Silent Wings Fan
4.4Editor score
Editor's Choice
be quiet! Pure Power 12 550W
550W Output
80 Plus Gold
ATX 3.1
Quiet PSU
4.8Editor score
Best Premium
be quiet! Straight Power 12 1500W
1500W Output
80+ Platinum
ATX 3.0
High End Fan
4.5Editor score
CORSAIR RM750e ATX 3.1
750W Output
ATX 3.1
Fully Modular
Rifle Bearing
4.6Editor score
be quiet! Dark Power Pro 13 1600W
1600W Output
80 PLUS Titanium
ATX 3.1
Digital Control
4.3Editor score
Thermaltake Toughpower GT 850W
850W Output
80 Plus Gold
ATX 3.1
Smart Zero Fan
4.5Editor score
Thermaltake GF1 Fully Modular ATX 850W
850W Output
80 Plus Gold
Ultra Quiet
Zero RPM
4.4Editor score
Thermaltake Smart 500W 80+ White
500W Output
80 PLUS White
Active PFC
120mm Fan
4.6Editor score
CORSAIR RM750e ATX 3.1 White
750W Output
ATX 3.1
Fully Modular
105°C Caps
4.6Editor score
ASUS TUF Gaming 1000W Gold
1000W Output
80+ Gold
ATX 3.1
Military Grade
4.7Editor score
1. be quiet! Pure Power 12 550W Power Supply – Best Overall
be quiet! Pure Power 12 550W Power Supply
550 Watts Output
80 Plus Gold
ATX 3.1
Single 12V Rail
The be quiet! Pure Power 12 550W Power Supply stands out as a top choice for modern mid-range builds. With an impressive 4.8 rating from users, it delivers reliable performance while maintaining whisper quiet operation. Its efficiency rating of up to 92.9 percent ensures less energy waste and lower electricity costs over time.
Pros
- High efficiency up to 92.9 percent
- Future proof ATX 3.1 support
- Quiet temperature controlled fan operation
- Flat black sleeved cables included
- Reliable single 12V rail design
Cons
- Limited wattage for high end systems
- Price higher than entry level options
We may earn a commission when you buy through this link, at no additional cost to you.
As an ATX 3.1 compliant power supply, it offers future proof compatibility with next generation PCIe 5.1 GPUs. The robust single 12V rail handles power surges up to double its rating, ensuring stability during demanding gaming sessions. The temperature controlled 120mm fan with optimized blades keeps noise levels low even under load.
While the 550W capacity may limit extreme overclocking setups, it is sufficient for most mainstream gaming PCs. The flat black cables improve airflow and installation simplicity. The German engineering quality provides peace of mind for long term system reliability without excessive noise.
This unit is ideal for builders seeking a balance of efficiency, quietness, and modern features. It suits users upgrading existing systems or building new entry to mid range rigs. For those prioritizing silence and stability, this power supply offers excellent value and performance.
Efficiency and Energy Savings
The high efficiency rating reduces power consumption and heat output during operation significantly.
Future Proof Compatibility
Support for PCIe 5.1 ensures readiness for upcoming graphics card generations.
We may earn a commission when you buy through this link, at no additional cost to you.
2. be quiet! Dark Power 13 1000W – Best High End Efficiency
be quiet! Dark Power 13 1000W, ATX 3.1, PCIe 5.0, 80+ Titanium Power Supply
1000 Watts Output
80 PLUS Titanium
ATX 3.0
Frameless Silent Wings Fan
The be quiet! Dark Power 13 1000W is designed for enthusiasts seeking top tier efficiency and performance. Rated at 4.4 stars, it features 80 PLUS Titanium certification for up to 95.2 percent efficiency. This minimizes power waste and keeps system temperatures low even during intensive workloads.
Pros
- Up to 95.2 percent efficiency rating
- Full support for PCIe 5.0 GPUs
- Silent Wings fan for quiet operation
- Overclocking key for rail configuration
- High air circulation funnel inlet design
Cons
- Premium pricing compared to lower tiers
- Heavier weight due to build quality
We may earn a commission when you buy through this link, at no additional cost to you.
ATX 3.0 compatibility ensures full support for PCIe 5.0 GPUs with native 12VHPWR connectivity. The improved frameless Silent Wings fan operates virtually inaudibly, making it perfect for silent builds. The overclocking key allows switching between multiple rails or a single massive 12V rail for flexibility.
While the price point is higher, the build quality and efficiency justify the cost for premium systems. The full mesh front with funnel shape inlet enhances cooling capabilities. Users will appreciate the stability and quietness provided by this high end unit.
This power supply is best suited for high end gaming rigs and workstations. It delivers stable power for powerful processors and graphics cards. For those demanding the best efficiency and silent operation, this model is an outstanding choice.
Titanium Efficiency Rating
Industry leading efficiency reduces energy consumption and heat generation significantly.
Advanced Cooling Design
Funnel shape inlet maintains high airflow while reducing turbulence effectively.
We may earn a commission when you buy through this link, at no additional cost to you.
3. be quiet! Straight Power 12 1500W – Best High Wattage
be quiet! Straight Power 12 1500W ATX 3.0 PCIe 5.0 80+ Platinum PSU
1500 Watts Output
80+ Platinum Certified
ATX 3.0 Ready
Silent Wings Fan Motor
The be quiet! Straight Power 12 1500W offers exceptional power delivery for demanding systems. With a 4.5 rating, it provides 1500W continuous power with one massive 12V rail. It handles power excursions up to double its rated power, ensuring reliability for next generation components.
Pros
- Massive 1500W continuous power output
- Native 12VHPWR connector support
- Below 0.1W standby power consumption
- Optimized fan blade design for quietness
- Wire free design enhances cooling airflow
Cons
- Expensive relative to lower wattage units
- Overkill for average consumer systems
We may earn a commission when you buy through this link, at no additional cost to you.
ATX 3.0 compliance includes native integration of the 12VHPWR connector for PCIe 5.0 graphics cards. The standby drain is below 0.1 watts, contributing to energy efficiency. The high end Silent Wings fan produces very little noise thanks to advanced fluid dynamic bearings.
This unit is designed for extreme gaming and workstation builds that require high wattage. The funnel shaped fan inlet increases airflow while reducing unwanted turbulence. Users benefit from longer component lifespan due to improved cooling performance inside the case.
Ideal for professionals and enthusiasts building top tier systems. It supports powerful processors and multiple GPUs effectively. While costly, its capacity and efficiency make it a worthy investment for high performance computing needs.
Maximum Power Capacity
Handles excessive power demands for short periods with ease.
Quiet High End Fan
Advanced motor design eliminates operational noise for silent operation.
We may earn a commission when you buy through this link, at no additional cost to you.
4. CORSAIR RM750e ATX 3.1 – Best Value Modular PSU
CORSAIR RM750e ATX 3.1 PCIe 5.1 Ready 750W Power Supply – Black
750 Watts Output
Intel ATX 3.1
Fully Modular Cabling
Rifle Bearing Fan
The CORSAIR RM750e ATX 3.1 provides reliable and efficient power for modern systems. With a 4.6 rating, it features fully modular cabling so you only connect what is needed. This improves airflow and makes cable management significantly easier during assembly.
Pros
- Fully modular design simplifies cable management
- Intel ATX 3.1 power standard compliant
- Quiet 120mm rifle bearing fan included
- 105°C rated capacitors for reliability
- Modern standby compatible fast wake
Cons
- Not specifically a be quiet brand product
- Black color may not suit all builds
We may earn a commission when you buy through this link, at no additional cost to you.
It is compliant with the ATX 3.1 power standard, supporting PCIe 5.1 platforms and transient power excursions. The specially calculated fan curve keeps noise low even at full load. 105°C rated capacitors ensure steady electrical performance under stress.
While not a be quiet product, it meets similar standards for quiet operation and efficiency. The modern standby compatibility allows fast wake from sleep times. Users will appreciate the balanced price and feature set for mid to high end builds.
This power supply suits builders prioritizing modular convenience and noise levels. It handles demanding GPU loads effectively. For those seeking a reliable modular option, this model offers strong performance and modern connectivity.
Fully Modular Design
Connect only needed cables to reduce clutter and improve airflow.
Advanced Fan Technology
Specially calculated curve ensures quiet operation across all loads.
We may earn a commission when you buy through this link, at no additional cost to you.
5. be quiet! Dark Power Pro 13 1600W – Top Premium Choice
be quiet! Dark Power Pro 13 1600W, ATX 3.1, PCIe 5.1, 80+ Titanium PSU
1600 Watts Output
80 PLUS Titanium Efficiency
ATX 3.1 Support
Fully Digital Control
The be quiet! Dark Power Pro 13 1600W represents the pinnacle of power supply performance. With a 4.3 rating, it delivers 1600W with 80 PLUS Titanium efficiency up to 94.5 percent. Fully digital control and full bridge LLC technology provide unmatched signal stability for sensitive components.
Pros
- Up to 94.5 percent efficiency
- Full support for PCIe 5.1 GPUs
- Fully digital control for stability
- Overclocking key for six rails
- Full mesh PSU front inlet
Cons
- Highest price in the selection
- Very heavy due to components
We may earn a commission when you buy through this link, at no additional cost to you.
ATX 3.1 support ensures compatibility with the latest PCIe 5.1 GPUs and current gen models. The overclocking key switches between six 12V rails and one massive rail. The full mesh front with funnel shaped air inlet supports high airflow for cooling.
This unit is built for extreme setups requiring maximum power and efficiency. While expensive, the premium features justify the cost for enthusiasts. Users gain precise control over power delivery and exceptional reliability.
Ideal for high end workstations and enthusiast gaming rigs. It supports the most powerful components available. For those seeking the absolute best, this model delivers premium quality and performance.
Digital Control Stability
Unmatched signal stability ensures consistent power delivery to all parts.
Titanium Efficiency Benefits
High efficiency reduces wasted energy and lowers system heat output.
We may earn a commission when you buy through this link, at no additional cost to you.
6. Thermaltake Toughpower GT 850W – Best ATX 3.1 Standard
Thermaltake Toughpower GT 850W ATX 3.1 Standard Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 450W PCIe 5.1 Connector; PS-TPT-0850FNFAGU-3; 5 Year Warranty
850 Watts Output
ATX 3.1 Standard
80 Plus Gold Efficient
Smart Zero Fan Included
The Thermaltake Toughpower GT 850W meets Intel ATX 3.1 specifications fully. With a 4.5 rating, it includes native PCIe 12V-2×6 connectors for modern GPUs. Smart Zero Fan technology adjusts speed based on load to minimize noise effectively.
Pros
- Native PCIe 12V-2×6 connectors
- Smart Zero Fan minimizes noise
- Fully modular low profile flat cables
- High amperage single +12V Rail
- 5 Year Warranty included
Cons
- Not a be quiet brand model
- Limited color options for users
We may earn a commission when you buy through this link, at no additional cost to you.
It provides up to 90 percent efficiency, reducing heat and energy consumption. The fully modular design with low profile flat black cables improves cable management. The high amperage single +12V Rail ensures stable delivery for gaming builds.
While not a be quiet unit, it offers strong noise reduction and stability. The 5 Year Warranty adds value and peace of mind. Users will appreciate the modern features and competitive pricing for ATX 3.1 compliance.
Suitable for builders seeking future ready compatibility at a reasonable cost. It supports high-end gaming effectively. For those prioritizing warranty and standards compliance, this is a solid option.
Native PCIe Support
Includes native connectors for next generation graphics card compatibility.
Smart Zero Fan
Automatically adjusts speed to minimize noise during light usage.
We may earn a commission when you buy through this link, at no additional cost to you.
7. Thermaltake GF1 Fully Modular ATX 850W – Best Zero RPM Fan
Thermaltake GF1 Fully Modular ATX 850W Power Supply – 80 Plus Gold – Ultra Quiet – Zero RPM, PS-TPD-0850FNFAGU-P
850 Watts Output
80 Plus Gold Cert
Ultra Quiet Fan
Zero RPM Mode
The Thermaltake GF1 Fully Modular ATX 850W delivers reliable power with minimal noise. With a 4.4 rating, it features an ultra quiet 140mm fluid bearing fan for silent operation. Intel C6/C7 state and ErP Ready certification ensures efficient standby power.
Pros
- Ultra quiet 140mm fluid bearing fan
- Smart Zero Fan minimizes noise
- High amperage single 12V rail
- Built-in industrial grade protections
- DC to DC design
Cons
- Not a be quiet brand unit
- Standard features only
We may earn a commission when you buy through this link, at no additional cost to you.
Smart Zero Fan minimizes undesired noise during low loads. High amperage single plus 12V rail with DC to DC design improves stability. Built-in industrial grade protections safeguard against voltage spikes and overloads.
This unit is designed for quiet builds where noise reduction is a priority. While not from be quiet, it matches performance standards for silence. Users will find the modular design and protections beneficial for system longevity.
Ideal for users prioritizing quiet operation and reliability. It supports stable power delivery for various builds. For those seeking silent modular options, this model is a practical choice.
Fluid Bearing Fan
140mm fluid bearing fan ensures long life and low noise levels.
Smart Zero Technology
Minimizes noise by stopping fan at low system loads.
We may earn a commission when you buy through this link, at no additional cost to you.
8. Thermaltake Smart 500W 80+ White – Best Budget Option
Thermaltake Smart 500W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Cooling Fan, ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0500NPCWUS-W
500 Watts Output
80 PLUS White Certified
ATX 12V V2.3
Active PFC Support
The Thermaltake Smart 500W offers a reliable entry point for new builders. With a 4.6 rating, it delivers 500 Watts continuous output compliant with Intel standards. Active PFC ensures efficient power factor correction and stable electricity usage.
Pros
- Affordable price point for basic builds
- Active PFC improves power efficiency
- MTBF of 100,000 hours
- 5 Year Warranty included
- Industry Grade Protections
Cons
- Limited to lower wattage systems
- Basic feature set only
We may earn a commission when you buy through this link, at no additional cost to you.
It supports PCI E 6plus2pin Connectors and includes an ultra quiet cooling fan. Industry Grade Protections cover over power, over voltage, and short circuits. A 5 Year Warranty provides additional assurance for system owners.
While it lacks advanced features like modular cabling, it performs well for standard systems. The 100,000 hour MTBF indicates long expected lifespan. Users will find it a cost effective choice for budget focused builds.
This unit suits entry level gamers and office systems. It handles basic power needs without compromising safety. For those seeking value, this power supply delivers dependable performance at a low cost.
Industry Protections
Multiple safety systems protect against electrical faults and damage.
Active PFC
Improves efficiency and ensures stable power delivery for components.
We may earn a commission when you buy through this link, at no additional cost to you.
9. CORSAIR RM750e ATX 3.1 White – Best White Unit
CORSAIR RM750e ATX 3.1 PCIe 5.1 Ready 750W Power Supply – White
750 Watts Output
ATX 3.1 Ready
White Color Design
Modern Standby Ready
The CORSAIR RM750e ATX 3.1 White offers modern power delivery in a sleek design. With a 4.6 rating, it features fully modular cabling for simplified cable management. Compliance with ATX 3.1 standards ensures support for next gen PCIe 5.1 GPUs.
Pros
- Fully modular cabling included
- ATX 3.1 power standard support
- Quiet 120mm rifle bearing fan
- White color for aesthetic builds
- Fast wake from sleep compatibility
Cons
- Not a be quiet brand unit
- Higher cost than black variant
We may earn a commission when you buy through this link, at no additional cost to you.
The rifle bearing fan keeps noise low even at full load. 105°C rated capacitors deliver steady electrical performance under stress. Modern standby compatibility allows for fast wake from sleep times and better low-load efficiency.
While not from be quiet, it matches noise and efficiency standards for quiet builds. The white color suits aesthetic focused cases. Users appreciate the balance of features and reliability for mid-range systems.
Ideal for builders wanting a stylish white unit with modern tech. It supports high performance components well. For those prioritizing looks and quiet operation, this model is a great fit.
White Aesthetic Design
Matches white themed PC builds with clean visual appeal.
Modern Standby
Fast wake from sleep ensures responsive user experience.
We may earn a commission when you buy through this link, at no additional cost to you.
10. ASUS TUF Gaming 1000W Gold – Best Military Grade Build
ASUS TUF Gaming 1000W Gold (1000 Watt, ATX 3.1 Compatible Fully Modular Power Supply, 80+ Gold Certified, Military-Grade Components, Dual Ball Bearing, Axial-tech Fan, PCB Coating, 10 Year Warranty)
1000 Watts Output
80+ Gold Certified
ATX 3.1 Compatible
Military-Grade Components
The ASUS TUF Gaming 1000W Gold delivers durable and efficient power delivery. With a 4.7 rating, its capacitors and chokes pass demanding tests for military grade certification. Dual ball fan bearings last twice as long as sleeve bearing designs.
Pros
- Capacitors pass military grade tests
- Dual ball fan bearings last longer
- Protective PCB coating against moisture
- Includes 16-pin PCIe cable
- 10 Year Warranty protection
Cons
- Not a be quiet brand product
- Heavier due to robust build
We may earn a commission when you buy through this link, at no additional cost to you.
A protective PCB coating shields against moisture, dust, and extreme temperatures. It complies with ATX 3.1 guidelines and includes a 16-pin PCIe cable for Gen 5.0 graphics cards. The 10 Year Warranty ensures long term reliability for builders.
While not a be quiet unit, its rugged design supports demanding environments. The 80 Plus Gold certification comes from premium components like Japanese capacitors. Users will appreciate the durability and extended warranty coverage.
Suitable for builders needing robust protection and longevity. It supports high end gaming setups well. For those prioritizing durability and warranty, this power supply offers excellent peace of mind.
Military Grade Durability
Components meet strict military tests for reliability.
Extended Warranty
10 Year Warranty protects investment for long term use.
We may earn a commission when you buy through this link, at no additional cost to you.
Buying Guide – How to Choose the Best Be Quiet Power Supplies
Selecting the right power supply involves evaluating multiple factors beyond just wattage to ensure optimal performance and longevity.
Wattage Capacity
Determine your system power needs by summing component requirements. Higher wattage ensures headroom for upgrades and peak loads.
Choose a unit that exceeds total estimated usage for safety and efficiency.
Efficiency Rating
80 PLUS certifications indicate energy efficiency levels from White to Titanium. Higher ratings mean less waste heat and lower electricity costs.
Prioritize Gold or Platinum units for balanced performance and savings.
ATX Version Compliance
ATX 3.0 and 3.1 standards ensure compatibility with modern GPUs and power delivery. Newer versions support transient spikes and new connectors.
Select ATX 3.1 models for future proofing and PCIe 5.1 support.
Connector Types
Check for required PCIe cables like 12VHPWR for new graphics cards. Sufficient SATA and motherboard connectors are also essential.
Ensure native connectors are included for modern GPU installations.
Noise and Cooling
Fan size and bearing type affect acoustic performance. Larger fans and fluid dynamic bearings typically operate quieter.
Look for units with zero RPM modes for silent operation.
Modular Cabling
Fully modular designs let you use only necessary cables to reduce clutter. This improves airflow inside the case.
Modular units simplify installation and improve cooling efficiency.
Build Quality
Components like capacitors and PCB coatings impact longevity. Higher quality parts withstand stress and environmental factors better.
Prioritize models with robust component selection for reliability.
Warranty Coverage
Longer warranties reflect manufacturer confidence and provide buyer protection. Terms vary from 3 to 10 years depending on the model.
Choose units with extended warranty for peace of mind.
How to Use and Care for Your Be Quiet Power Supplies
Install the power supply in a well ventilated area of your case to prevent heat buildup. Ensure the fan intake is not blocked by cables or debris.
Connect all required cables securely to components and the motherboard. Verify the 24-pin and CPU connectors are fully seated.
Periodically clean dust from the fan and vents to maintain cooling efficiency. Avoid exposing the unit to extreme humidity or temperature changes.
Frequently Asked Questions
What wattage do I need for a gaming PC?
For modern gaming PCs, 750W to 1000W is typically sufficient depending on the GPU. Higher end setups with overclocking may require 1200W or more.
Are be quiet power supplies reliable?
Yes, be quiet power supplies are known for high build quality, efficient operation, and long warranties. They consistently rank well for stability and silence.
What is the difference between ATX 3.0 and 3.1?
ATX 3.1 builds on 3.0 by including 12V-2×6 connector support for GPUs. Both standards offer transient power handling improvements over older versions.
Why choose an 80 PLUS Titanium power supply?
80 PLUS Titanium offers the highest efficiency with up to 96 percent conversion. This reduces electricity costs and heat output compared to lower tiers.
Do modular power supplies save space?
Modular units allow only essential cables to be connected, reducing clutter inside the case. This improves airflow and makes cable management easier.
How long should a power supply last?
A quality power supply typically lasts 5 to 10 years with proper care. Higher component quality and adequate ventilation extend the lifespan further.
Final Thoughts on Choosing the Best Be Quiet Power Supplies
The top picks offer a range of options from entry level to premium models. The be quiet! Pure Power 12 balances performance and features well for most builders.
Consider wattage, efficiency, and modern connector support when deciding. Noise levels and warranty terms also play significant roles in long term satisfaction.
Prices and availability change frequently, so verify current specs before purchasing. Investing in a quality unit ensures stable and quiet operation for your system.