Smart W3 Series 80Plus Certified 700W Power Supply
4.3Editor score
ATX v3.1 Spec Compliant
80PLUS Certified Efficiency
5 Year Warranty Included
In this guide
Finding the right 700W ATX power supply is crucial for stable system performance. A quality unit ensures your components receive clean power while minimizing heat and noise for a better user experience overall.
We evaluated ten leading models based on efficiency ratings, protection features, and build quality. Our comparison covers non-modular and fully modular designs to help you find the perfect match for your specific PC build needs.
Each pick highlights unique strengths like warranty coverage or cable management options. Keep in mind that pricing fluctuates regularly, so verify current deals before making your final purchase decision to save money.
Top 3 Picks for Best 700W ATX Power Supply
MSI MAG A750GL PCIE5 Fully Modular Compact Gaming Power Supply
4.6Editor score
80+ Gold Certified
Fully Modular Design
10 Year Warranty
be quiet! Pure Power 13 M 750W Fully Modular PSU
4.6Editor score
Up to 94.3% Efficiency
Semi-Passive Cooling
Native 12V-2×6 Connector
Top 10 Best 700W ATX Power Supply in 2026 Compared
This side-by-side comparison highlights key specifications across all ten models. Review efficiency certifications, modular options, and warranty terms to determine which unit offers the best value for your specific system configuration.
ProductsSpecificationsEditor scorePrice
Best Budget
Zalman GigaMax 700W
80+ Bronze Certified
Non-Modular Cables
120mm Silent Fan
5 Year Warranty
4.4Editor score
Editor's Choice
Smart W3 Series 700W
ATX v3.1 Spec
80PLUS Certified
120mm FDB Fan
5 Year Warranty
4.3Editor score
Best Premium
700W ATX Power Supply Non Modular
Non-Modular Design
Auto-Thermal Control
Global Voltage Switch
Full Protection Suite
4.2Editor score
MSI MAG A750GL PCIE5
80+ Gold Certified
Fully Modular Design
ATX 3.1 Ready
10 Year Warranty
4.6Editor score
CORSAIR RM750e
ATX 3.1 Certified
Fully Modular PSU
105°C Capacitors
Low Noise Operation
4.6Editor score
ASRock PRO 750G
80 PLUS Gold Certified
ATX 3.1 Ready
Native 12V-2×6
3 Year Warranty
4.6Editor score
Thermaltake Toughpower GX1 700W
80+ Gold Efficiency
Single +12V Rail
Non Modular Connectors
5 Year Warranty
4.6Editor score
be quiet! Pure Power 13 M 750W
Up to 94.3% Eff
Fully Modular PSU
Zero RPM Cooling
ATX 3.1 Ready
4.6Editor score
Rosewill VMG 750W
Full Modular Design
Japanese Capacitors
Compact Build Ready
5 Year Warranty
4.3Editor score
Thermaltake Toughpower GT 750W
ATX 3.1 Standard
Smart Zero Fan Tech
80 Plus Gold Eff
5 Year Warranty
4.6Editor score
1. MSI MAG A750GL PCIE5 – Best Overall 700W ATX Power Supply
MSI MAG A750GL PCIE5
80+ Gold Certified
Fully Modular Design
ATX 3.1 Ready
10 Year Warranty
The MSI MAG A750GL PCIE5 stands out as a top-rated power supply with its 80+ Gold certification. It combines modern standards with reliable performance, making it a safe choice for gamers.
Pros
- High efficiency rating
- Future-proof ATX standard
- Quiet operation noise
- Excellent cable management
- Long warranty period
Cons
- Slightly higher price
- Non-flexible cables
We may earn a commission when you buy through this link, at no additional cost to you.
Its fully modular design simplifies cable management, while the ATX 3.1 readiness ensures compatibility with next-gen GPUs. The native 12V-2×6 cable supports high power demands without adapters.
While the price is higher than basic models, the 10-year warranty justifies the investment. The compact size fits well in most cases without sacrificing cooling performance or build quality.
Choose this unit if you want a balance of efficiency and future compatibility. It is perfect for mid-range builds planning for upgrades to high-performance graphics cards soon.
Efficiency and Power Delivery
The 80+ Gold rating ensures less energy waste and lower heat output compared to standard models.
Future Compatibility
ATX 3.1 compliance means you are ready for the latest power spikes from modern graphics cards.
We may earn a commission when you buy through this link, at no additional cost to you.
2. Smart W3 Series 80Plus Certified 700W – Best Budget 700W ATX Power Supply
Smart W3 Series 80Plus Certified 700W
ATX v3.1 Spec
80PLUS Certified
120mm FDB Fan
5 Year Warranty
The Smart W3 Series offers exceptional value for budget-conscious builders seeking a 700W unit. It meets the latest ATX v3.1 specification, which is rare at this price point.
Pros
- Affordable price point
- Modern ATX standard
- Quiet cooling fan
- Stable power delivery
- Decent warranty coverage
Cons
- Non-modular cables
- Basic build materials
We may earn a commission when you buy through this link, at no additional cost to you.
Its 80PLUS certified efficiency helps keep electricity bills low while the 120mm FDB fan ensures quiet operation under load. The DC to DC design provides stable +12V rail performance.
You will not get a modular design here, so cable clutter might be an issue in smaller cases. However, the flat black cables help hide them as compared to standard options.
This is the ideal choice for entry-level gaming PCs needing reliable power. It delivers necessary protection and stability without breaking your budget on components.
Standard Compliance
Compliance with ATX v3.1 means better handling of modern component power requirements and safety standards.
Cooling Performance
The FDB fan technology reduces friction and noise, keeping the system quiet during everyday tasks.
We may earn a commission when you buy through this link, at no additional cost to you.
3. be quiet! Pure Power 13 M 750W – Best Premium 700W ATX Power Supply
be quiet! Pure Power 13 M 750W
Up to 94.3% Eff
Fully Modular PSU
Zero RPM Cooling
ATX 3.1 Ready
This unit delivers top-tier performance with efficiency reaching up to 94.3% which is outstanding for any power supply. It is built for users who demand silence and peak performance from their rigs.
Pros
- Extremely high efficiency
- Fully silent at low load
- Future-proof ATX 3.1
- High-quality build
- Excellent voltage regulation
Cons
- Higher price tag
- Heavier unit
We may earn a commission when you buy through this link, at no additional cost to you.
The semi-passive cooling allows the fan to stop completely at low loads for true silent operation. Its fully modular design supports both current and next-gen GPUs with native connectors.
While the cost is higher than standard options, the energy savings and silent operation justify the investment. It is the perfect choice for high-end media PCs and gaming builds.
Pick this if you want a premium build with zero compromises. It handles power excursions effortlessly and ensures your system runs cool and whisper quiet always.
Silent Operation Technology
The Zero RPM cooling feature ensures the fan only spins when absolutely necessary to maintain safe temperatures.
Power Handling
Designed to handle double its rated power excursions, ensuring stability even when GPUs spike in demand.
We may earn a commission when you buy through this link, at no additional cost to you.
4. Zalman GigaMax 700W – Reliable 700W ATX Power Supply
Zalman GigaMax 700W
80+ Bronze Certified
Non-Modular Cables
120mm Silent Fan
5 Year Warranty
The Zalman GigaMax 700W delivers consistent power with 80+ Bronze certification and active PFC for efficiency. It is designed to provide stable outputs even under high voltage conditions.
Pros
- Solid efficiency rating
- Stable output voltage
- Full safety protections
- Clean cable design
- Decent warranty
Cons
- Non-modular design
- Basic connector set
We may earn a commission when you buy through this link, at no additional cost to you.
Its full protection suite guards against electrical issues like over current and short circuit events. The all black cables help keep your build looking neat without extra costs.
Cable management is a bit harder since it lacks modular ports. However, the sleeved motherboard connector helps route the main lines cleanly across the motherboard.
Choose this for straightforward builds needing dependable power. It is a strong mid-range option that balances performance and reliability for everyday computing tasks.
Power Stability
Active PFC ensures a high power factor for efficient energy use and better voltage stability.
Protection Features
Multiple safety certifications and protection modes keep your hardware safe from electrical anomalies.
We may earn a commission when you buy through this link, at no additional cost to you.
5. 700W ATX Power Supply Non Modular – Entry Level 700W ATX Power Supply
700W ATX Power Supply Non Modular
Non-Modular Design
Auto-Thermal Control
Global Voltage Switch
Full Protection Suite
This model is a budget-friendly choice for basic systems requiring standard connectors and decent wattage. It includes auto-thermally controlled fan support to keep noise down during light use.
Pros
- Low cost option
- Universal voltage support
- Auto fan control
- Comprehensive connectors
- Basic protection
Cons
- Non-Modular Design
- Lacks efficiency rating
We may earn a commission when you buy through this link, at no additional cost to you.
The global voltage switch allows operation across different regions without needing a converter. Heavy-duty protections protect against common electrical issues like over-voltage and under-voltage spikes.
Cable clutter is a downside due to non-modular design fixed wires. However, the split connectors for CPU and GPU provide flexibility for different motherboard requirements.
Ideal for office PCs or budget gaming rigs. It provides the basics without extra features, making it a simple functional choice.
Universal Compatibility
The voltage switch lets you use this unit in any country with standard AC power outlets.
Connector Flexibility
Split connectors allow you to adapt the power lines for various CPU and GPU types.
We may earn a commission when you buy through this link, at no additional cost to you.
6. CORSAIR RM750e – Modern 700W ATX Power Supply
CORSAIR RM750e
ATX 3.1 Certified
Fully Modular PSU
105°C Capacitors
Low Noise Operation
The CORSAIR RM750e brings Intel ATX 3.1 compliance to modern builds with reliable power delivery. Its 105°C rated capacitors ensure steady performance even under high thermal stress.
Pros
- Modern standard support
- Quiet fan design
- High temperature capacitors
- Efficient power use
- Full modular cabling
Cons
- Slightly above 700W
- Premium cost
We may earn a commission when you buy through this link, at no additional cost to you.
Noise levels stay low thanks to the rifle bearing fan and calculated fan curve. You only connect the cables you need, improving airflow and aesthetics in your case.
While it exceeds 700W slightly, it is a perfect match for systems planning for GPU upgrades. The high efficiency ensures less energy waste over time.
Select this for gaming builds needing reliability and quiet operation. It is compatible with the latest hardware while maintaining a sleek profile inside your PC.
Modern Components
High temperature capacitors mean longer life and more stable output during intense gaming sessions.
Standby Compatibility
Fast wake-from-sleep times make your PC ready quickly without waiting for full bootup.
We may earn a commission when you buy through this link, at no additional cost to you.
7. ASRock PRO 750G – High Value 700W ATX Power Supply
ASRock PRO 750G
80 PLUS Gold Certified
ATX 3.1 Ready
Native 12V-2×6
3 Year Warranty
This ASRock unit offers great performance at a competitive price point. It meets ATX 3.1 standards and supports modern GPUs with its native 12V-2×6 connector.
Pros
- Gold efficiency rating
- Native GPU connector
- Low noise operation
- Handles high loads
- Affordable price
Cons
- 3 Year warranty
- Basic cable quality
We may earn a commission when you buy through this link, at no additional cost to you.
Efficiency reaches up to 90% to reduce power waste and operating costs. The fan is optimized for low noise, making it suitable for home office setups too.
The warranty period is shorter than some competitors but remains standard for this price range. Power delivery is stable for mid-range to high-end configurations without issues.
A smart choice for those wanting future-ready specs on a budget. It supports current and future GPUs while keeping energy costs low.
Modern Connector Support
Native 12V-2×6 connectors remove the need for risky adapters on new graphics cards.
Efficiency Savings
High efficiency ratings mean you pay less for electricity and generate less heat.
We may earn a commission when you buy through this link, at no additional cost to you.
8. Thermaltake Toughpower GX1 700W – Powerful 700W ATX Power Supply
Thermaltake Toughpower GX1 700W
80+ Gold Efficiency
Single +12V Rail
Non Modular Connectors
5 Year Warranty
The Thermaltake Toughpower GX1 delivers robust power with a single +12V rail capable of supporting today's GPU demands. It features 80+ Gold efficiency to reduce heat and energy waste.
Pros
- High efficiency rating
- Strong single rail
- Silent fan bearing
- Multi GPU support
- Solid protection
Cons
- Non-modular cables
- Older standard
We may earn a commission when you buy through this link, at no additional cost to you.
The dynamic bearing fan ensures cooling performance remains quiet even during operation. Multiple protection features keep your system safe from power surges and short circuits.
While it is non-modular, the fixed cables are durable and easy to manage in larger cases. The 5-year warranty provides peace of mind for long-term system operation.
Pick this for systems needing stable power for graphics cards. It is a reliable choice for builders prioritizing performance and thermal efficiency.
Single Rail Strength
A single rail design provides consistent power to multiple high-performance components simultaneously.
Protection Modes
Multiple industry grade protections guard against over voltage and short circuit risks.
We may earn a commission when you buy through this link, at no additional cost to you.
9. Rosewill VMG 750W – Future-Ready 700W ATX Power Supply
Rosewill VMG 750W
Full Modular Design
Japanese Capacitors
Compact Build Ready
5 Year Warranty
This Rosewill unit offers full modular convenience and Japanese capacitors for stability. Its compact build allows flexible integration into smaller form factor cases without sacrificing power.
Pros
- Full modular layout
- Japanese capacitors
- Compact chassis size
- High power excursion
- Native GPU cable
Cons
- Compact size limits
- Moderate price
We may earn a commission when you buy through this link, at no additional cost to you.
It supports PCIe 5.1 with dedicated cables delivering direct power to new graphics cards. The thermal design with large vents ensures effective cooling for high loads.
While compact, it still handles high power excursions to meet dynamic GPU demands. The six-protection suite ensures complete system security during use.
Ideal for small form factor builds needing high-end specs. It balances size and performance well for modern gaming and media PCs.
Compact Performance
A smaller chassis makes this perfect for SFF cases while maintaining full power delivery.
Safety Suite
Six independent protection features guard your system from power irregularities and faults.
We may earn a commission when you buy through this link, at no additional cost to you.
10. Thermaltake Toughpower GT 750W – Versatile 700W ATX Power Supply
Thermaltake Toughpower GT 750W
ATX 3.1 Standard
Smart Zero Fan Tech
80 Plus Gold Eff
5 Year Warranty
The Thermaltake Toughpower GT supports ATX 3.1 with native PCIe connectors for modern GPUs. It features Smart Zero Fan technology that adjusts speed to minimize noise during low loads.
Pros
- Modern standard compliance
- Smart fan technology
- Gold efficiency rating
- Full modular cables
- High amperage rail
Cons
- Non-flexible cables
- Standard size
We may earn a commission when you buy through this link, at no additional cost to you.
High amperage single +12V rail ensures stable power delivery for gaming and workstation builds. Flat black cables improve airflow inside your case with cleaner cable management.
While it is not smaller than standard units, it fits most cases easily. The efficiency and fan control help reduce heat output during daily use.
Select this for balanced gaming and creative workstations. It offers modern features at a reasonable price for most users.
Smart Fan Tech
Smart Zero Fan adjusts speed automatically so the fan stays off when cooling isn't needed.
Cable Management
Flat black cables help reduce bulk and make your PC interior look cleaner.
We may earn a commission when you buy through this link, at no additional cost to you.
Buying Guide – How to Choose the Best 700W ATX Power Supply
Choosing the right 700W power supply involves balancing efficiency, compatibility, and build quality. Here are key factors to consider before making your purchase.
Efficiency Certification
Look for units with 80+ Bronze or Gold ratings to ensure less energy waste. Higher efficiency means lower electricity bills and cooler system temperatures overall.
Prioritize Gold certified models for long-term value and better performance under load.
Modular vs Non-Modular
Modular designs allow you to connect only the cables you need, improving airflow and aesthetics. Non-modular units are cheaper but can lead to cable clutter.
Choose fully modular for cleaner builds or budget non-modular if space isn't an issue.
Warranty Length
A longer warranty reflects the manufacturer's confidence in product durability. Many top units offer five to ten years of coverage.
Prioritize at least a five-year warranty for peace of mind.
ATX Standards
Newer standards like ATX 3.1 support better power delivery and safety for modern GPUs. Compatibility ensures future-proofing for component upgrades.
Check your GPU requirements to confirm needed standards.
Protection Features
Safety protections like OCP and OVP protect against voltage spikes and short circuits. These features safeguard your expensive components from electrical faults.
Ensure the unit includes a comprehensive suite of safety features.
Fan Noise
Fans with fluid dynamic bearings operate quieter than standard bearings. This is crucial if you use your PC for media or work tasks.
Look for fan curves that stay quiet during typical workloads.
Connector Types
Verify that the PSU has the right connectors for your motherboard and graphics card. Next-gen GPUs may need native 12V-2×6 cables.
Match connectors to your hardware to avoid using adapters.
Build Quality
Japanese capacitors and steel shells indicate better durability and stability over time. Higher quality materials often result in more consistent power delivery.
Opt for units with proven quality components for longevity.
How to Use and Care for Your 700W ATX Power Supply
Install the power supply with the fan facing down in most cases to draw cool air from the floor. Ensure all connectors are securely seated and no cables are pinched.
Keep the area around the intake and exhaust vents clear of dust and obstructions to maintain good airflow. Dust buildup can cause overheating and reduce efficiency over time.
Regularly clean the fan and vents using compressed air to prevent dust accumulation. This simple maintenance helps keep noise levels low and prolongs the unit's lifespan.
Frequently Asked Questions
Is a 700W power supply enough for gaming?
Yes, a 700W power supply is generally enough for mid-range gaming rigs. It supports most graphics cards and CPUs without issues. Higher-end setups might require more wattage.
What does 80+ Gold mean?
It indicates the power supply meets specific efficiency standards set by the 80 Plus program. Gold rated units convert power with up to 90% efficiency which reduces waste.
Do I need a modular power supply?
Modular is not strictly necessary but helps with cable management and airflow. If you value a clean build and easy maintenance it is worth the extra cost.
Can I use 700W for a workstation?
Yes, it works well for entry-level workstations with moderate hardware requirements. Ensure your CPU and GPU combined draw less than the limit for safety.
Why is efficiency important?
Higher efficiency means less energy is lost as heat. This lowers your electricity bill and keeps your components cooler which can extend their lifespan.
How do I check power compatibility?
Use a power calculator to sum up your component wattage needs. Compare this total against the unit rating to ensure it fits safely.
Final Thoughts on Choosing the Best 700W ATX Power Supply
Our top picks cover a range of budgets and needs from the MSI A750GL to the be quiet! Pure Power 13 M. Each offers unique strengths to fit different system requirements.
Focus on efficiency and future-proof standards like ATX 3.1 to ensure long-term value. A good PSU protects your investment and ensures stable performance.
Prices for these units fluctuate frequently so check current deals before buying. Investing in quality early saves money on upgrades later.