Antec Basiq BP350
5.0Editor score
Reliable budget performance
Solid build quality
Standard ATX form
In this guide
Selecting the right power supply is crucial for system stability. A 350W PSU offers sufficient wattage for entry-level desktops and office machines without overspending on unused capacity.
We evaluated ten models based on efficiency certifications, build quality, and connector variety. Our comparison highlights units that deliver reliable power while maintaining quiet operation and safety standards.
Each pick showcases specific strengths like modular cabling or gold efficiency. Prices fluctuate frequently so verify current listings before purchasing to ensure you get the best value available today.
Top 3 Picks for Best 350W PSU
Silverstone Technology FX350-G-VT
4.8Editor score
80 Plus Gold certified
Flex ATX form factor
Continuous 24/7 operation
Thermaltake Smart 500W
4.6Editor score
High efficiency rating
Active PFC technology
Comprehensive protection suite
Top 10 Best 350W PSU in 2026 Compared
The following table provides a side-by-side view of key specifications across all ten selected power supplies to help you quickly identify the best fit for your build requirements.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Thermaltake Smart 500W
500W Continuous Output
80 Plus White Certified
ATX 12V V2.3
120mm Ultra Quiet Fan
4.6Editor score
Editor's Choice
Silverstone FX350-G-VT
350W Continuous Power
80 Plus Gold Certified
Flex ATX 1U Form
Single +12V Rail
4.8Editor score
Best Premium
Apevia ITX-PFC400W
400W Maximum Power
Fully Modular Design
Active PFC Support
Mini ITX Compatible
4.4Editor score
APEVIA VENUS450W
450W Power Output
120MM Cooling Fan
Auto Thermal Control
Complete Protection System
4.0Editor score
ARESGAME AGV Series 500W
500W Continuous Output
80 Plus Bronze Certified
Non Modular Cables
120mm Ultra Quiet Fan
4.4Editor score
HG2-6300P ATX PSU
350W Power Supply
ATX Form Factor
ROHS Compliant
Standard Connectors
4.2Editor score
PC Power Supply 350W
350W Desktop Supply
Low Energy Consumption
115/230V Adjustable
Thermal Fan Control
5.0Editor score
Antec BP350 Basiq
350 Watts Output
ATX12V Desktop
24/4-Pin Connector
Reliable Entry Level
5.0Editor score
Antec Basiq BP350
350WATT Power Supply
ATX12V V2.01
80mm Quiet Fan
Standard ATX PSU
4.5Editor score
600W Power Supply
600W Continuous Output
80 Plus Gold
Non Modular ATX
Ultra Quiet Fan
5.0Editor score
1. Thermaltake Smart 500W – Best Overall PSU
Thermaltake Smart 500W
80 Plus White Certified
120mm Ultra Quiet Fan
Active PFC Support
100000 Hours MTBF
This unit delivers 500W continuous output making it a robust choice for budget builds. It holds an 80 Plus White certification and features active PFC for efficiency.
Pros
- Reliable power delivery
- Quiet cooling performance
- Industry grade protections
- Five year warranty
Cons
- Non modular cables
- White certification rating
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It includes industry grade protections against over power and voltage issues. The 120mm fan ensures cooling stays quiet during typical system loads.
The non modular cables may create some clutter inside small cases. However the active PFC helps maintain power factor during standard usage.
Buyers seeking reliable power at a reasonable price point will appreciate this model. It balances performance and cost effectively for entry level systems.
Efficiency and Compliance
Compliance with Intel ATX standards ensures compatibility with modern motherboards and peripherals.
Protection Features
Multiple safety mechanisms guard your components against electrical surges and shorts.
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2. Silverstone FX350-G-VT – Best for Compact Builds
Silverstone Technology FX350-G-VT
80 Plus Gold Certified
Flex ATX 1U Form
350W Continuous Power
Single +12V Rail
The Silverstone FX350-G-VT is designed for small form factor cases. It meets 80 Plus Gold standards for high efficiency under load.
Pros
- High efficiency Gold rating
- Compact Flex ATX design
- Supports 24/7 operation
- Class leading rail design
Cons
- Fixed cables only
- Higher price point
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Its Flex ATX 1U form factor fits tight chassis. The unit is rated for continuous 24/7 operation at 40 degrees Celsius.
Fixed cables limit flexibility in tight spaces. The higher price reflects the Gold efficiency and specialized form factor.
Ideal for mini PC builds needing reliable high efficiency power. This model ensures stable performance in confined environments.
Form Factor Compatibility
Standard Flex ATX dimensions ensure it fits most mini ITX and small chassis cases.
Efficiency Rating
Gold certification means less energy is wasted as heat during typical use.
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3. Apevia ITX-PFC400W – Best Modular ITX PSU
Apevia ITX-PFC400W
Fully Modular Power Supply
Mini ITX / FLEX ATX
Active PFC 90-264V
Forced Air Ventilation
This power supply features fully modular cables for clean installations. It supports Mini ITX and FLEX ATX type standards with active PFC.
Pros
- Fully modular connectors
- Wide voltage range support
- Compact dimensions
- Multiple safety protections
Cons
- Requires careful cable connection
- Average fan size
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The wide input range allows operation from 90 to 264 volts. Cooling is managed by a 40mm double ball bearing fan.
Users must ensure all cables are connected for power on. The fan size may produce noticeable noise under high load.
Modularity makes this great for custom mini PC builds. It offers flexibility for cable management in small cases.
Cable Management
Modular design lets you connect only the cables you need to reduce clutter.
Input Flexibility
Full range PFC allows operation across global voltage standards without switches.
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4. APEVIA VENUS450W – Best Value 450W Unit
APEVIA VENUS450W
450W Power Output
Auto Thermally Controlled Fan
Complete Protection System
Flexible CPU Connection
The Venus 450W delivers reliable power for entry level systems. It features an auto thermally controlled 120mm fan for efficient cooling.
Pros
- Low price point
- Auto thermal control
- Comprehensive protections
- Flexible connector splits
Cons
- Average build quality
- Fixed cables only
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Multiple protections ensure safe operation against shorts and overloads. Connectors include flexible split options for various motherboard requirements.
Build materials are basic compared to premium units. The fixed cables can limit airflow in compact cases.
This model suits those prioritizing low cost without sacrificing safety. It is a solid choice for simple desktop replacements.
Thermal Management
Fan speed adjusts automatically to system heat levels for noise and efficiency.
Connector Flexibility
Split connectors allow compatibility with older and newer motherboard designs.
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5. ARESGAME AGV Series 500W – Best Bronze Certified PSU
ARESGAME AGV Series 500W
80 Plus Bronze Certified
500W Continuous Output
120mm Ultra Quiet Fan
5 Year Warranty
ARESGAME offers 500W continuous output at an affordable price. It meets 80 Plus Bronze standards for better energy efficiency.
Pros
- High wattage for budget
- Bronze efficiency rating
- Quiet fan operation
- Long warranty period
Cons
- Non modular design
- Cable colors vary
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A 5 year warranty provides confidence in longevity. The 120mm fan is designed to remain quiet during operation.
Cables are fixed and may include varied colors. Non modular design can hinder clean cable management in cases.
This unit is ideal for budget builds needing higher wattage. It provides a balance of capacity and certification.
Efficiency Standards
Bronze certification ensures at least 85 percent efficiency under typical loads.
Warranty Coverage
Extended warranty protects your investment against defects for five full years.
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6. HG2-6300P ATX PSU – Standard OEM Style PSU
HG2-6300P ATX PSU
350W Power Supply
ROHS Compliant
ATX Form Factor
Standard Connector Layout
This power supply provides standard ATX connectivity for basic systems. It is marked as ROHS compliant for environmental safety.
Pros
- Simple design
- ROHS compliant
- Standard fitment
- Basic protection
Cons
- Limited specs listed
- No efficiency rating
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The unit fits standard cases without modification. Specs are minimal but cover essential 350W power needs.
Missing detailed efficiency info makes performance harder to gauge. It serves as a direct replacement for older systems.
Suitable for basic replacements where brand history is known. Buyers should verify compatibility before installation.
Environmental Compliance
ROHS marking indicates adherence to standards limiting hazardous substances in electronics.
Standard Fitment
ATX dimensions ensure it fits standard desktop chassis without custom adapters.
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7. PC Power Supply 350W – Best for Low Energy Systems
PC Power Supply 350W
Low Energy Consumption
115/230V Adjustable
ATX12V 2.31
Thermal Fan Control
Designed for low energy consumption desktops this unit saves power. It features a manual voltage switch for international compatibility.
Pros
- Very low energy use
- Adjustable voltage switch
- Clear connector marks
- Automatic fan speed
Cons
- Basic build features
- Manual voltage switch
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The thermal sensor controls fan speed automatically. Clear connector marks simplify installation for new users.
Manual switching requires care to avoid damage. Build quality is basic and focused on function over features.
Perfect for office machines or home servers needing quiet reliable power. The adjustable voltage adds global flexibility.
Energy Efficiency
Low energy design reduces electricity usage and heat output significantly.
Voltage Switching
Manual switch allows use in regions with different mains voltage standards.
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8. Antec Basiq BP350 – Best Budget ATX PSU
Antec BP350 Basiq
350 Watts Output
ATX12V Desktop
24/4-Pin Connector
Reliable Entry Level
Antec built this unit to satisfy budget minded system builders. It delivers 350 Watts reliably without unnecessary cost.
Pros
- Unbeatable price point
- Antec brand reliability
- Simple reliable operation
- Standard connectors
Cons
- No efficiency certification
- Basic fan control
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The 24/4-Pin connector ensures compatibility with standard ATX boards. Antec quality standards ensure solid build quality.
Lack of efficiency rating means higher heat generation. Features are basic but sufficient for entry level needs.
Choose this for basic desktop replacements on a tight budget. It offers trusted brand support at a low price.
Brand Reliability
Antec brings years of experience to this entry level power supply design.
Connector Layout
Standard ATX connectors work with most desktop motherboards without issues.
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9. Antec Basiq BP350 (V2.01) – Best V2.01 PSU
Antec Basiq BP350
ATX12V V2.01
80mm Quiet Fan
350WATT Power Supply
Standard ATX PSU
This model focuses on quiet operation with its 80mm fan. It follows ATX12V V2.01 standards for broad compatibility.
Pros
- Quiet 80mm fan
- Antec quality
- Standard ATX format
- Efficient operation
Cons
- Smaller fan size
- Older V2.01 spec
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Antec reputation ensures solid build quality and reliability. The compact fan helps fit tight cases easily.
Older V2.01 spec may limit newer motherboard features. The smaller fan might run louder than 120mm units.
Good for older systems needing a quiet replacement. It maintains Antec standards in a classic form.
Noise Levels
Quiet fan design helps keep system noise low during operation.
Form Factor
Standard ATX size fits most mid tower and desktop cases.
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10. 600W Power Supply – Best High Wattage Option
600W Power Supply
80 Plus Gold Certified
600W Continuous Output
125mm FDB Fan
Multiple Protection Suite
This unit offers 600W continuous output for high performance needs. It meets 80 Plus Gold standards for high efficiency.
Pros
- High wattage capacity
- Gold efficiency rating
- Quiet 125mm fan
- Full protection suite
Cons
- Non modular cables
- Larger dimensions
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A 125mm FDB fan ensures quiet operation under load. Full protection safeguards components against voltage and current spikes.
Cables are fixed which limits cable management options. Dimensions are standard ATX but larger than compact units.
Best for gaming PCs needing extra headroom for GPUs. It combines high wattage with efficiency at a good price.
Gaming Headroom
600W capacity supports mid-range GPUs and CPUs with room to spare.
Fan Quality
Fluid dynamic bearing fan reduces noise and increases fan lifespan.
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Buying Guide – How to Choose the Best 350W PSU
Choosing a 350W power supply requires careful consideration of several factors to ensure your system runs reliably and efficiently.
Efficiency Certifications
Efficiency ratings like 80 Plus indicate how well the PSU converts wall power to usable DC power. Higher ratings like Gold reduce waste heat and lower electricity bills.
Look for at least Bronze certification to ensure better efficiency in your system.
Form Factor Compatibility
Ensure the PSU fits your case. Standard ATX units are common but smaller builds need Flex ATX or Mini ITX options to fit.
Check case dimensions before purchasing to avoid fitment issues.
Connector Types
Verify the PSU has enough connectors for your components. Common needs include 24-pin main, 4/8-pin CPU, and SATA or Molex for drives.
Missing connectors can prevent your system from powering on.
Modularity
Modular PSUs allow you to plug in only needed cables which improves airflow. Non-modular units have all cables fixed inside the case.
Non-modular units cost less but can clutter small cases.
Protection Features
Protection circuits like OVP, UVP, and SCP guard against electrical faults. A PSU with full protection increases system safety.
Always verify the PSU includes essential safety protections.
Warranty Coverage
Warranty terms reflect manufacturer confidence. Longer warranties like five years suggest better build quality and reliability.
Check warranty details before buying to understand coverage.
Noise and Cooling
Fan size and type affect noise levels. Larger fans often run quieter than smaller ones at the same speed.
Look for thermal control to manage noise during low load.
Brand Reputation
Established brands often provide better quality control. Stick with known manufacturers to avoid poor build quality.
Research reviews to confirm reliability before buying.
How to Use and Care for Your 350W PSU
Always connect the PSU to the case before testing to avoid short circuits. Ensure all cables are firmly plugged in before powering on.
Keep the case vents clean to maintain airflow. Dust accumulation can reduce cooling efficiency over time.
Avoid overloading the PSU with more components than rated. Excess load can damage the unit and connected hardware.
Frequently Asked Questions
What does a 350W PSU power?
A 350W PSU is suitable for entry-level desktops and office PCs. It can handle basic CPUs and integrated graphics but may not support powerful GPUs.
How do I know if a PSU is efficient?
Efficiency is indicated by 80 Plus certifications. Bronze, Silver, Gold, and higher ratings show how much energy is wasted as heat during operation.
Are modular PSUs better for small cases?
Yes, modular PSUs reduce cable clutter. This improves airflow in small cases where space is limited and cooling is critical.
What is Active PFC?
Active PFC improves power factor and efficiency. It reduces electricity waste and helps the PSU operate more efficiently under varying loads.
Can I replace a 350W PSU with 500W?
Yes, you can use a higher wattage PSU safely. Ensure the new unit fits the case and has compatible connectors for your system.
How long do power supplies last?
Quality PSUs can last five to ten years. Lifespan depends on load, temperature, and build quality of the internal components.
Is Gold efficiency worth it for budget builds?
Gold efficiency saves energy but costs more. For budget builds, Bronze may be sufficient unless you prioritize low electricity bills and less heat.
What protections should a PSU have?
Key protections include Over Power, Over Voltage, and Short Circuit. These guard your system against electrical failures and surges.
Final Thoughts on Choosing the Best 350W PSU
We highlighted top picks like the Antec Basiq for budget needs and the Silverstone FX350 for compact builds. Each unit offers specific benefits for different system types.
Prioritize efficiency and protection features to ensure long-term stability. Match the PSU form factor and connectors to your case requirements before buying.
Prices change frequently so verify current listings and promotions. Choosing the right PSU now will protect your system investment for years to come.