700W ATX Power Supply Non Modular PSU with 4+4 Pin Connectors Auto-Thermally Controlled 120mm Fan, 115/220V Switch
4.2Editor score
Non-Modular Design
Auto-Thermal Fan Control
Global Voltage Switch
In this guide
Choosing a reliable power supply is crucial for any computer build. A good unit ensures stable voltage, efficient energy use, and protects components from damage.
We compared ten leading models based on efficiency ratings, protection features, cooling performance, and compatibility with modern standards like ATX 3.1.
Each pick highlights specific strengths for different needs. Note that availability and pricing may change, so check current listings before purchasing.
Top 3 Picks for Best 700W ATX Power Supply
Zalman GigaMax 700W Power Supply 80+ Plus Certified Reliable ATX 12V PSU
4.4Editor score
80+ Bronze Certified
Active PFC System
Full Protection Suite
CORSAIR RM750e ATX 3.1 PCIe 5.1 Ready 750W Power Supply – Black
4.6Editor score
Intel ATX 3.1 Certified
105C Capacitors
Modern Standby Compatible
Top 10 Best 700W ATX Power Supply in 2026 Compared
The following table provides a side-by-side overview of the top ten power supplies, highlighting key specifications and features for easy comparison.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Zalman GigaMax 700W
80+ Bronze Certified
Active PFC System
5 Year Warranty
120mm Silent Fan
4.4Editor score
Editor's Choice
Smart W3 Series 700W
ATX v3.1 Spec
80PLUS Certified
DC to DC Design
5 Year Warranty
4.3Editor score
Best Budget
700W ATX Non Modular
Non-Modular Design
Auto-Thermal Fan
115/220V Switch
Heavy-duty Protections
4.2Editor score
MSI MAG A750GL PCIE5
80+ Gold Certified
ATX 3.1 Ready
Fully Modular
10 Year Warranty
4.6Editor score
CORSAIR RM750e
ATX 3.1 Certified
Fully Modular PSU
Rifle Bearing Fan
105C Capacitors
4.6Editor score
ASRock PRO 750G
80 Plus Gold
ATX 3.1 Ready
12V-2×6 Connector
3 Year Warranty
4.6Editor score
Thermaltake Toughpower GX1
80+ Gold Efficiency
Non Modular
120mm Silent Fan
5 Year Warranty
4.6Editor score
be quiet! Pure Power 13 M
80+ Gold Certified
Fully Modular PSU
Semi-Passive Cooling
ATX 3.1
4.6Editor score
Rosewill VMG 750W
ATX 3.0 Ready
Full Modular
Japanese Capacitors
5 Year Warranty
4.3Editor score
Thermaltake Toughpower GT
80+ Gold Efficiency
ATX 3.1 Standard
Smart Zero Fan
5 Year Warranty
4.6Editor score
1. Zalman GigaMax 700W – Best Overall 700W ATX Power Supply
Zalman GigaMax 700W Power Supply 80+ Plus Certified Reliable ATX 12V PSU
80+ Bronze Efficiency
Active PFC System
5 Year Warranty
120mm Silent Fan
The Zalman GigaMax 700W power supply stands out as a reliable choice for mid-range PC builds. With a solid 4.4 rating and Bronze certification, it ensures efficient energy use and consistent power delivery.
Pros
- Stable Power Output
- Quiet Operation
- Full Protection Suite
- Clean Black Cables
- Good Value
Cons
- Non-Modular Design
- Basic Cable Sleeving
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Its active PFC system provides a maximum power factor of 99%, ensuring stable voltage even under load. The 105C capacitors add to its durability, while the comprehensive protection suite safeguards your components from electrical faults.
Cable management is simplified with all-black cables and a sleeved motherboard connector. The 120mm fan with sleeved bearing operates quietly, making it suitable for systems where noise reduction is a priority.
This PSU is ideal for gamers and professionals seeking a balance of performance and reliability. While it lacks modularity, its robust features and five-year warranty make it a top contender in the 700W category.
Efficiency and Stability
The 80+ Bronze certification ensures up to 87% efficiency, reducing power waste and heat generation significantly.
Protection and Durability
Multiple protection layers including OCP, OVP, and OTP ensure your system remains safe from electrical surges and overheating.
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2. 700W ATX Non Modular PSU – Best Budget 700W ATX Power Supply
700W ATX Power Supply Non Modular PSU with 4+4 Pin Connectors Auto-Thermally Controlled 120mm Fan, 115/220V Switch
Non-Modular Design
Auto-Thermal Fan
115/220V Switch
Heavy-duty Protections
This 700W ATX power supply offers exceptional value for budget-conscious builders. It features a non-modular design with auto-thermally controlled fan cooling to maintain optimal temperatures without unnecessary noise.
Pros
- Affordable Pricing
- Dual Voltage Switch
- Thermal Fan Control
- Standard Connectors
- Solid Build
Cons
- No Cable Management
- Basic Fan Performance
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The inclusion of a global voltage switch allows operation across 115V to 220V, making it versatile for international users. Heavy-duty protections cover essential safety aspects like short-circuit and over-voltage scenarios.
Connectors include standard 24-pin, 4+4-pin CPU, and multiple SATA and PATA ports. While cable management may be challenging due to the non-modular layout, the system airflow is promoted by the internal design.
Ideal for entry-level gaming or office PCs, this PSU delivers reliable power without breaking the bank. Its straightforward features and responsive customer support make it a practical choice for basic builds.
Voltage Flexibility
The built-in voltage switch enables seamless adaptation to different regional power standards without additional adapters.
Thermal Management
The auto-thermally controlled 120mm fan ensures cooling efficiency while reducing noise during low-load conditions.
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3. Smart W3 Series 700W – Future-Ready 700W ATX Power Supply
Smart W3 Series 80Plus Certified 700W Power Supply; ATX v3.1 Spec; 120mm FDB Fan; 5 Year Warranty; PS-SPW-0700NNFAWU-1
ATX v3.1 Spec
80PLUS Certified
DC to DC Design
5 Year Warranty
The Smart W3 Series 700W power supply is designed for forward-thinking users who need compatibility with the latest hardware standards. Its ATX v3.1 specification support ensures it can handle modern GPU demands efficiently.
Pros
- Next-Gen Compatibility
- High Amperage Rail
- Low-Profile Cables
- Quiet FDB Fan
- Warranty Coverage
Cons
- Moderate Efficiency
- Limited Availability
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Equipped with a DC to DC high amperage +12V rail design, this PSU delivers stable power to critical components. The 120mm FDB fan provides effective cooling while minimizing acoustic noise during operation.
Flat black low-profile cables aid in cable management, improving airflow within the chassis. Backed by a five-year warranty, it reflects confidence in long-term reliability and industrial-grade protection standards.
This PSU is best suited for builders planning future upgrades or those requiring ATX 3.1 compliance. While efficiency is standard, its feature set positions it well among mid-tier options in this capacity range.
Modern Standard Support
Full compliance with Intel ATX v3.1 specifications guarantees readiness for upcoming processor and GPU generations.
Cooling Efficiency
The FDB fan technology ensures smooth, long-lasting performance with reduced vibration and noise output.
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4. MSI MAG A750GL PCIE5 – Best Modular 700W ATX Power Supply
MSI MAG A750GL PCIE5, Fully Modular Compact Gaming 750W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2×6 Cable, 10 Year Warranty
80+ Gold Certified
Fully Modular Design
ATX 3.1 Ready
10 Year Warranty
The MSI MAG A750GL PCIE5 is a fully modular power supply that meets ATX 3.1 and PCIe 5.1 standards. Its 80+ Gold certification ensures high energy efficiency and reduced heat output during sustained loads.
Pros
- Gold Efficiency Rating
- Native 12V-2×6
- Compact Gaming Design
- Long Warranty Period
- Premium Build Quality
Cons
- Higher Price Point
- Cable Length Limits
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With a native dual-color 12V-2×6 cable, it supports next-generation graphics cards without the need for adapters. The compact design fits well in smaller cases while maintaining powerful delivery capabilities for gaming systems.
Its 10-year limited warranty provides peace of mind for long-term system investments. The modular layout simplifies cable management, improving internal airflow and aesthetic appeal in custom PC builds.
This unit is ideal for enthusiasts seeking reliable power with modern connectivity. While priced higher than basic models, its future-proof features and durability justify the cost for serious gamers.
Connectivity Advancements
Native support for 12V-2×6 connectors ensures safe, direct power delivery to latest-generation GPUs.
Long-Term Reliability
A decade-long warranty underscores MSI's commitment to quality and lasting performance for demanding users.
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5. CORSAIR RM750e – Premium 700W ATX Power Supply
CORSAIR RM750e ATX 3.1 PCIe 5.1 Ready 750W Power Supply – Black
ATX 3.1 Certified
105C Capacitors
Rifle Bearing Fan
Modern Standby Compatible
The CORSAIR RM750e is a high-performance power supply certified for Intel ATX 3.1 standards. Its 105°C-rated capacitors deliver steady, reliable power even under demanding conditions, ensuring system stability.
Pros
- Intel ATX 3.1 Certified
- High-Temp Capacitors
- Low-Noise Performance
- Fast Wake-from-Sleep
- Fully Modular Design
Cons
- Premium Pricing
- Availability Varied
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A specially calculated fan curve on the 120mm rifle bearing fan keeps noise levels low during operation. Modern standby compatibility allows for fast wake-from-sleep times and improved low-load efficiency.
With fully modular cabling, users can connect only the necessary cables, simplifying builds and enhancing airflow. This PSU withstands up to 2x transient power excursions from GPUs, a key feature for modern gaming rigs.
It is best suited for high-end builds requiring top-tier efficiency and noise performance. While it comes at a premium price, its features and durability make it a standout choice for enthusiasts.
Advanced Power Stability
105°C capacitors ensure electrical performance remains consistent even during extended high-load usage periods.
Efficiency and Noise
Modern standby compatibility reduces idle power draw while maintaining fast system wake times.
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6. ASRock PRO 750G – Reliable Mid-Range 700W ATX Power Supply
ASRock PRO 750G Power Supply – 750W 80 Plus Gold Certified, ATX 3.1 & PCIe 5.1 Ready, Native 12V-2×6 Connector, 120mm Low-Noise Fan, 3-Year Warranty
80 Plus Gold
ATX 3.1 Ready
12V-2×6 Connector
3 Year Warranty
ASRock PRO 750G delivers Gold-certified efficiency, reducing power waste and operating costs while maintaining stable performance. Its ATX 3.1 compliance ensures compatibility with modern components like next-gen graphics cards.
Pros
- High Energy Efficiency
- Low-Noise Operation
- Next-Gen Connector
- Universal ATX Fit
- Dedicated Support
Cons
- Short Warranty Period
- Limited Cable Options
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The native 12V-2×6 connector supports up to 450W power delivery, making it ideal for high-performance GPU setups. A 120mm low-noise fan optimizes thermal management without excessive sound, enhancing overall user experience.
With standard ATX form factor, it fits most PC cases and supports various system configurations. The unit is backed by a three-year warranty, reflecting dependable long-term performance expectations.
This PSU is recommended for builders seeking efficient power delivery with future-ready connectors. Its balance of performance and features makes it a strong option for mid-to-high end builds.
Efficiency and Cost Savings
Achieves up to 90% energy efficiency, significantly reducing power waste and operational expenses.
Future-Proof Design
Native 12V-2×6 connector readiness ensures compatibility with the latest high-performance graphics cards.
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7. Thermaltake Toughpower GX1 700W – High-End Non-Modular 700W ATX Power Supply
Thermaltake Toughpower GX1 80+ Gold 700W SLI/Crossfire Ready Continuous Power ATX 12V V2.4/EPS V2.92 Non Modular Power Supply 5 Year Warranty PS-TPD-0700Nnfagu-1
80+ Gold Efficiency
Non Modular Design
Single +12V Rail
5 Year Warranty
The Thermaltake Toughpower GX1 offers 80+ Gold efficiency with up to 90% performance, optimized for C6/C7 States. It is non-modular but features a powerful single +12V rail design ideal for SLI/Crossfire setups.
Pros
- Gold Certified Efficiency
- Single +12V Rail
- Ultra Quiet Fan
- SLI/Crossfire Ready
- High Build Quality
Cons
- No Modularity
- Higher Cost
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An ultra-quiet 120mm dynamic bearing fan ensures silent operation while delivering superior cooling performance. Industry-grade protections including OPP, OVP, UVP, and SCP safeguard your system against electrical hazards.
Its continuous power rating ensures reliability under sustained loads, making it suitable for intensive gaming or workstation tasks. The five-year warranty provides additional confidence in its long-term durability and consistency.
This PSU is best for enthusiasts prioritizing power stability and noise reduction. While it lacks modularity, its high efficiency and robust build quality make it a reliable choice for demanding configurations.
Efficiency Optimization
Certified Gold efficiency reduces energy consumption while maintaining stable performance under heavy loads.
Silent Cooling
The dynamic bearing fan combines superior cooling with minimal noise for quiet system operation.
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8. be quiet! Pure Power 13 M 750W – Quiet Operation 700W ATX Power Supply
be quiet! Pure Power 13 M 750W, ATX 3.1, Fully Modular PSU, 80+ Gold
80+ Gold Certified
Fully Modular PSU
Semi-Passive Cooling
ATX 3.1
be quiet! Pure Power 13 M 750W is certified 80 PLUS Gold with up to 94.3% efficiency, ensuring lower power consumption and quieter operation. Its ATX 3.1 support prepares it for next-generation graphics cards.
Pros
- Ultra Quiet Operation
- High Efficiency Rating
- Semi-Passive Fan
- Future-Proof Support
- Single Massive Rail
Cons
- Premium Price Point
- Availability Constraints
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The PSU features semi-passive zero-rpm cooling, turning off the fan at low loads to reduce noise. With a massive 12V rail, it handles power excursions up to double its rated power effortlessly.
Fully modular design simplifies cable management, enhancing internal airflow and aesthetic cleanliness. Its LLC topology provides best-in-class voltage regulation, making it ideal for very quiet systems or media creation PCs.
This PSU is best for silent PC enthusiasts and premium builders. Its advanced cooling and high efficiency justify its price, offering exceptional performance for quiet, high-power configurations.
Semi-Passive Cooling
The fan turns off completely under low load, ensuring exceptional silence during idle or light usage.
Power Stability
One massive 12V rail handles power excursions up to double the rated power without performance degradation.
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9. Rosewill VMG 750W – High-Capacity 700W ATX Power Supply
Rosewill VMG 750W 80+ Gold, ATX 3.0 & 3.1 Compatible, Full Modular Low-Noise Power Supply, PCIe 5.1 12V-2×6 Connector, 100% Japanese Electrolytic Capacitor, 120mm FDB Silent Fan – 5 Year Warranty
ATX 3.0 Ready
Full Modular
Japanese Capacitors
5 Year Warranty
The Rosewill VMG 750W is an ATX 3.0 & 3.1 compatible full modular PSU with 80+ Gold certification. It supports PCIe 5.1 via a 12V-2×6 connector, delivering up to 600W direct power to modern GPUs.
Pros
- ATX 3.0 & 3.1 Ready
- Japanese Capacitors
- Low-Noise Fan
- Compact Build Size
- Full Protection Suite
Cons
- Cable Management
- Limited Availability
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Equipped with 100% Japanese electrolytic capacitors, it ensures high reliability and longevity. The 120mm FDB silent fan enhances thermal performance while maintaining low noise levels across usage scenarios.
Its compact chassis is 35% smaller than standard units, enabling flexible integration in small-form-factor builds. A six-protection safety shield ensures complete system security against electrical faults and power surges.
This PSU is ideal for users requiring future-ready features in a compact form. Its combination of efficiency, durability, and modern compatibility makes it a compelling option for advanced PC builds.
Japanese Component Quality
Using 100% Japanese electrolytic capacitors ensures superior reliability and extended operational lifespan.
Compact Form Factor
The chassis design is 35% smaller, offering flexible integration into compact PC cases.
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10. Thermaltake Toughpower GT 750W – Modern Standard 700W ATX Power Supply
Thermaltake Toughpower GT 750W ATX 3.1 Standard Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 300W PCIe 5.1 Connector; PS-TPT-0750FNFAGU-3; 5 Year Warranty
80+ Gold Efficiency
Smart Zero Fan
Fully Modular Design
5 Year Warranty
The Thermaltake Toughpower GT 750W complies with Intel ATX 3.1 specifications and offers 80 Plus Gold efficiency. Smart Zero Fan technology adjusts speed based on load, minimizing noise during low-load operations.
Pros
- ATX 3.1 Standard
- Gold Efficiency Rating
- Smart Zero Fan Tech
- Modular Cable Management
- High Amperage Rail
Cons
- Premium Cost
- Cable Length
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It features a native 300W PCIe 5.1 connector and low-profile flat black cables for improved cable management. The high amperage single +12V rail ensures reliable and stable power delivery optimized for high-end gaming builds.
Fully modular design simplifies installation, enhancing internal airflow and overall system cleanliness. Its five-year warranty reflects confidence in product quality and long-term operational reliability.
This PSU is best for modern systems requiring ATX 3.1 compliance and noise efficiency. While priced higher, its advanced features and stable performance make it a solid choice for serious PC enthusiasts.
Smart Fan Technology
The Smart Zero Fan automatically adjusts speed based on load to minimize noise during low-load conditions.
Power Delivery Stability
A high amperage single +12V rail provides stable, optimized power delivery for demanding gaming rigs.
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Buying Guide – How to Choose the Best 700W ATX Power Supply
Selecting the right power supply involves understanding efficiency, form factor, connectivity, and protection features to match your system needs.
Efficiency Rating
Efficiency ratings like 80+ Bronze, Gold, or Platinum indicate how much power is converted versus wasted as heat. Higher ratings save energy and reduce thermal load.
Look for at least Bronze certification for general builds and Gold or higher for premium systems to maximize efficiency and longevity.
Wattage and Capacity
Ensure the PSU wattage meets or exceeds your system's total power consumption, especially under peak load from CPU and GPU.
700W is sufficient for most mid-to-high end configurations but verify current draw before final selection to avoid bottlenecks.
Modular vs Non-Modular
Modular PSUs allow you to connect only the cables you need, simplifying cable management and improving airflow.
Non-modular models are often more affordable but may clutter your build with excess cables that limit internal space.
Protection Features
Safety features like OCP, OVP, and OTP protect your components from electrical surges, overloads, and overheating.
Choose models with comprehensive protection suites to ensure system stability and prevent hardware damage during power fluctuations.
ATX and PCIe Standards
Newer hardware often requires ATX 3.0 or 3.1 compliance and native 12V-2×6 connectors for PCIe 5.1 GPUs.
Check PSU compatibility with current standards to avoid needing adapters and ensure future-proofing for upcoming hardware.
Warranty and Support
A longer warranty period signals manufacturer confidence and provides long-term protection for your investment.
Prioritize brands offering multi-year warranties and responsive customer support for peace of mind.
Cooling and Noise
Effective cooling fans like FDB or rifle bearing designs maintain low noise levels while ensuring proper thermal management.
Consider semi-passive fans that stop at low loads for silence in quiet environments.
Form Factor and Size
Standard ATX PSUs fit most cases but compact models may be needed for small-form-factor builds.
Verify case compatibility and clearance to avoid physical fit issues during assembly.
How to Use and Care for Your 700W ATX Power Supply
Always turn off your system and unplug the PSU before installing or modifying connections to ensure safety and prevent electrical hazards.
Keep your PSU vents clean by dusting regularly with compressed air to maintain optimal airflow and cooling performance.
Monitor system temperatures using software tools to ensure your PSU operates within safe limits and avoid overheating during heavy usage.
Frequently Asked Questions
What is the difference between 700W and 750W power supplies?
A 750W PSU offers slightly more headroom for power consumption than a 700W unit. This extra capacity can be useful for overclocking or future upgrades without replacing the PSU. Both sizes typically use the same ATX form factor.
Do I need ATX 3.1 compliance for a 700W power supply?
ATX 3.1 compliance ensures compatibility with modern GPUs and power delivery standards. It is not mandatory for all builds but recommended for future-proofing. Many models support this standard with native connectors.
What does 80+ Gold certification mean?
It means the power supply is at least 90% efficient at typical loads, reducing wasted energy as heat. Higher efficiency helps lower electricity costs and keeps system temperatures cooler. This is a key metric for quality assessment.
How do modular cables improve a build?
Modular cables allow you to connect only the ones needed, reducing clutter and improving airflow. This simplifies cable management and enhances the aesthetic inside the case. Non-modular units come with fixed cables.
Can a 700W PSU support two GPUs?
It depends on the total power draw of your components. For some mid-range setups, a 700W PSU may suffice, but dual high-end GPUs may require more capacity. Always calculate total system power needs carefully.
What protections should I look for?
Look for protections like OCP, OVP, and OTP to guard against electrical issues. These prevent damage from surges or overheating and ensure system stability. Comprehensive suites are preferred for safety.
How long should a power supply last?
Quality units can last 5 to 10 years depending on usage and thermal conditions. Warranties and build quality indicate expected lifespan. Proper maintenance extends longevity significantly.
Why is fan type important?
Fan type affects noise levels and cooling efficiency. Bearing types like FDB or rifle bearings run quieter and last longer. Semi-passive fans stop at idle for silence, reducing acoustic disturbance.
Final Thoughts on Choosing the Best 700W ATX Power Supply
This guide highlights top 700W ATX power supplies offering efficiency, protection, and modern compatibility for diverse user needs. Each model brings unique strengths to meet different build requirements.
Prioritize factors like ATX standards, modularity, and warranty when making your decision to ensure long-term reliability. Choose based on your specific system demands and future upgrade plans.
Always check current availability and pricing to get the best value. These models represent excellent options for reliable power in 2026 builds.