APEVIA VENUS450W
4.0Editor score
120MM Cooling Fan
Complete Protection System
Flexible CPU Power
In this guide
Choosing the right power supply is crucial for system stability. A good unit ensures stable voltage and protects components from surges effectively.
We compared ten models based on efficiency, build quality, and fan noise. Our list covers budget-friendly ATX units and compact Flex ITX designs.
Each pick highlights key specs and real-world performance details. Please note that prices and availability change frequently on retailer sites.
Top 3 Picks for Best 350W PSU
Silverstone Technology FX350-G-VT
4.5Editor score
80 Plus Gold Efficiency
Flex ATX Form Factor
350W Continuous Power
Antec BP350 Basiq Power
5.0Editor score
Solid Quality Build
Unbeatable Price Point
Reliable Performance
Top 10 Best 350W PSU in 2026 Compared
This table offers a side-by-side look at all ten power supplies. It helps you quickly identify key specs like wattage and fan size for your specific build needs.
ProductsSpecificationsEditor scorePrice
Best Budget
Thermaltake Smart 500W
500W Continuous Output
80 PLUS Certified
120mm Ultra Quiet Fan
5 Year Warranty
4.6Editor score
Editor's Choice
Silverstone Technology FX350-G-VT
350W Continuous Power
80 PLUS Gold
Flex ATX 1U
Active PFC
4.5Editor score
Best Premium
Apevia ITX-PFC400W
400W Maximum Power
Fully Modular ITX
40mm Double Bearing Fan
Active PFC
3.9Editor score
APEVIA VENUS450W
450W ATX Power
120MM Fan
All Protections
Flexible CPU Connect
4.0Editor score
ARESGAME AGV Series 500W
500W Continuous Output
80 Plus Bronze
Non Modular Design
120mm Ultra Quiet
4.4Editor score
PSU for ATX 350W
350W Power Supply
ROHS Compliant
HG2-6300P
ATX Standard
4.0Editor score
PC Power Supply 350W
Low Energy Consumption
115/230V Adjustable
Thermal Sensor Control
Magnetic Ring Design
4.5Editor score
Antec BP350 Basiq Power
350 Watts Output
ATX12V Desktop
Budget Workhorse
Reliable Quality
5.0Editor score
Antec Basiq BP350
350WATT Output
ATX12V V2.01
80mm Quiet Fan
ATX Power Supply
4.5Editor score
600W Power Supply 80 Plus
600W Continuous Output
80 Plus Gold
125mm FDB Fan
Active PFC
5.0Editor score
1. Thermaltake Smart 500W – Reliable Entry Level Power
Thermaltake Smart 500W
500W Continuous Output
80 PLUS White Certified
120mm Quiet Fan
5 Year Warranty
This power supply delivers solid performance for budget builds with its 500 Watt continuous output rating. It holds an 80 PLUS White certification which ensures decent efficiency under typical loads.
Pros
- Meets Intel ATX standards
- High quality components
- Over power protection included
- Strong 12 Volt rail
- Quiet cooling operation
Cons
- Not fully modular cables
- White certification only
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The unit features active PFC and comprehensive protection systems like over voltage and short circuit safeguards. The 120mm fan provides effective cooling while keeping noise levels low during operation.
While it lacks modular cables which can limit case airflow flexibility the build quality remains high for the price point. The 12 Volt rail is designed to support various system loading types effectively.
Ideal for entry level gamers or office PC builders needing reliable power. It stands out for its industry grade protections and five year warranty support for peace of mind.
Efficiency Standards
The 80 PLUS White certification guarantees at least 80 percent efficiency under typical load conditions helping reduce energy waste.
Connectivity Options
It supports two PCI E 6plus2pin connectors making it suitable for entry level graphics cards and integrated motherboard configurations.
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2. Silverstone FX350-G-VT – Best Compact Gold Unit
Silverstone Technology FX350-G-VT
350W Continuous Power
80 PLUS Gold Certified
Flex ATX 1U
Active PFC
This model stands out with its 80 PLUS Gold certification offering superior efficiency for small form factor builds. It provides 350 Watts of continuous power rated for 24/7 operation.
Pros
- High 80 Plus Gold efficiency
- Supports 24/7 operation
- Single 12V rail
- Standard Flex ATX factor
- Excellent heat management
Cons
- Fixed cables only
- Higher price point
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The class leading single 12V rail ensures stable power delivery to components like GPUs and CPUs. Active PFC helps maintain power factor efficiency across varying load conditions.
While the fixed cables might limit some custom cable management options the compact design fits many mini tower cases easily. The efficiency rating helps lower electricity costs over time.
Best suited for HTPC or small gaming rigs where space and efficiency matter most. It balances premium features with a manageable wattage for compact system needs.
Gold Efficiency
The 80 PLUS Gold certification means higher energy conversion rates reducing heat output and electricity usage compared to standard units.
Form Factor
Supporting the standard Flex ATX form factor ensures compatibility with a wide range of small chassis and specialized systems.
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3. Apevia ITX-PFC400W – Modular Mini ITX Option
Apevia ITX-PFC400W
400W Maximum Power
Fully Modular ITX
Active PFC
40mm Double Bearing Fan
This power supply offers a fully modular design which is rare for ITX units in this price range. It delivers up to 400 Watts with active PFC support across a wide voltage range.
Pros
- Fully modular design
- Full range active PFC
- Standard Mini ITX size
- Multiple protection systems
- Split connector options
Cons
- Low fan speed rating
- Connection setup required
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The double ball bearing fan provides forced air ventilation to keep components cool despite the small form factor. Various protections like OVP and SCP help safeguard hardware from electrical issues.
Users must ensure all cables are connected properly for the unit to power on which adds a slight step to setup. The connectors include split options for 4+4 and 20+4 compatibility.
Great for custom ITX builds needing cleaner cable management and reliable power. It balances modularity with essential protections for entry level system builders effectively.
Modular Cabling
The fully modular design allows you to use only needed cables improving airflow and visual cleanliness inside small chassis.
Voltage Range
Full range active PFC supports 90 to 264V ensuring operation stability regardless of local power supply fluctuations.
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4. APEVIA VENUS450W – Best Budget ATX Power
APEVIA VENUS450W
450W ATX Power
120MM Fan
Complete Protection
Flexible CPU Connect
This unit provides reliable power for budget systems with a 450W ATX capacity. It includes a comprehensive protection system covering short circuit over current and voltage issues.
Pros
- Low cost option
- Auto thermally controlled fan
- Full protection system
- Versatile connector options
- Voltage tolerance control
Cons
- Basic design features
- Lower efficiency rating
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The auto thermally controlled 120mm fan adjusts speed based on internal heat ensuring quiet operation when loads are low. Connector options include split CPU and motherboard plugs for flexibility.
It offers a very affordable price point though it lacks higher efficiency certifications found in premium models. The voltage tolerance control helps maintain stability for standard desktop use cases.
Ideal for office PCs or basic home builds where cost is the main driver. It delivers essential safety features without breaking the bank for entry level users.
Thermal Control
The fan adjusts speed automatically via thermal sensor reducing noise during light usage while ramping up for better cooling when needed.
Connector Flexibility
Split connectors allow adaptation to motherboards requiring different pin counts simplifying installation across various PC models.
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5. ARESGAME AGV 500W – Bronze Certified Value
ARESGAME AGV Series 500W
500W Continuous Output
80 Plus Bronze Certified
Non Modular Design
5 Year Warranty
This power supply brings 80 Plus Bronze certification to budget builds offering 85 percent efficiency under typical loads. It delivers a continuous 500 Watt output for reliable system performance.
Pros
- Bronze efficiency rating
- 120mm ultra quiet fan
- Strong protection suite
- Consistent 500W power
- 5 year coverage
Cons
- Non modular cables
- Basic color scheme
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The fan is designed to be ultra quiet providing excellent cooling without excessive noise. Heavy protection includes OVP and UVP to ensure hardware safety during power fluctuations.
All cables are black which looks better than multi colored wires in many cases. The non modular design is standard for this price but limits airflow optimization slightly.
Recommended for users wanting efficiency and warranty coverage without paying premium prices. It strikes a good balance between performance and affordability for entry gaming rigs.
Efficiency Rating
The 80 Plus Bronze certification ensures at least 85 percent efficiency helping reduce heat and energy costs over time.
Warranty Support
A five year warranty provides long term peace of mind for owners concerned about component longevity and reliability.
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6. PSU for ATX 350W – Industrial Standard Unit
PSU for ATX 350W
350W Power Supply
ROHS Compliant
HG2 Series
ATX Standard
This unit fits standard ATX cases with a reliable 350 Watt power capacity. It is ROHS compliant ensuring safer materials are used in construction for environmental standards.
Pros
- ROHS compliant design
- Standard ATX form
- Multiple model variants
- Reliable industrial quality
- Basic protection features
Cons
- Limited specs provided
- Basic connectivity
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The HG2 series variants offer consistent performance for basic system needs. It serves as a solid replacement for older hardware requiring standard power delivery.
Specifications are limited in public documentation but it meets basic industry requirements for ATX systems. It is suitable for low cost repairs or generic replacements.
Good for industrial or basic computing environments needing simple reliable power. It maintains standard compatibility without advanced features or high efficiency ratings.
Compliance
ROHS compliance ensures the unit meets strict regulations on hazardous substances in electronic product construction for safety.
Model Variety
Available in multiple HG2 models providing flexibility for different power supply needs within the standard ATX range.
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7. PC Power Supply 350W – Adjustable Voltage Desktop Unit
PC Power Supply 350W
Low Energy Consumption
115/230V Adjustable
Thermal Sensor Control
Magnetic Ring Design
This desktop power supply is designed for low energy consumption needs. It features an adjustable 115/230V manual switch allowing flexibility for different regional power outlets.
Pros
- Adjustable voltage input
- Low energy design
- Quick connector marks
- Fan thermal control
- Magnetic ring safety
Cons
- Basic build aesthetic
- Limited capacity
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The connector markings are clear making installation quick and effective. The fan speed is automatically controlled by a thermal sensor to maintain safe operating temperatures.
It uses a real double magnetic ring design compatible with ATX12V specifications. This setup helps reduce electromagnetic interference and improves signal stability.
Suitable for basic office systems or older desktops needing a simple efficient replacement. Its adjustable voltage makes it versatile for international or mixed power environments.
Voltage Flexibility
The manual switching allows users to adjust voltage input for 115V or 230V systems ensuring compatibility in various regions.
Magnetic Design
The double magnetic ring design minimizes interference which helps maintain cleaner power delivery to sensitive electronic components.
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8. Antec BP350 Basiq – Trusted Brand Reliability
Antec BP350 Basiq Power
350 Watts Output
ATX12V Desktop
Budget Workhorse
Reliable Quality
Antec brings its years of experience to this solid Basiq power supply. It is built with quality components ensuring reliable performance for entry level system builders.
Pros
- Antec trusted brand
- Solid quality build
- Efficient reliable operation
- Unbeatable price
- Workhorse reputation
Cons
- Older design style
- Basic feature set
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The unit is designed to be a workhorse providing efficient power delivery without unnecessary complexity. It maintains a strong reputation for meeting demands of budget PCs.
While it is an older design it remains a solid choice for those valuing brand reliability. The price point is unbeatable for a known manufacturer offering consistent quality.
Best for users trusting Antec brand history for long term reliability. It delivers simple efficient power that satisfies the needs of basic PC users.
Brand Reputation
Antec is a long standing power supply manufacturer known for producing reliable components that last over time.
Value Proposition
The Basiq line offers an unbeatable price point combining Antec experience with budget friendly pricing for consumers.
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9. Antec Basiq BP350 – Quiet Compact Power
Antec Basiq BP350
350WATT Output
ATX12V V2.01
80mm Quiet Fan
ATX Power Supply
This power supply features an 80mm quiet fan designed for low noise operation in smaller cases. It meets ATX12V V2.01 standards for reliable power delivery.
Pros
- Quiet 80mm fan
- ATX12V compliance
- Trusted Antec quality
- Compact size
- Efficient design
Cons
- Smaller fan diameter
- Limited modern features
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The unit maintains Antec's reputation for solid quality and consistent performance in budget systems. It is designed to be efficient and reliable for entry level usage.
While the 80mm fan is smaller than standard 120mm fans it is tuned for quiet operation. The compact size helps fit into tighter chassis configurations easily.
Ideal for basic desktop builds requiring quiet operation and brand reliability. It offers a cost effective solution for standard PC power needs.
Fan Noise
The 80mm fan is engineered for quiet operation reducing acoustic noise while providing adequate cooling for low wattage systems.
Standards Compliance
Meeting ATX12V V2.01 standards ensures compatibility with most standard motherboards and system configurations available today.
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10. 600W Gold PSU – High Wattage Value
600W Power Supply 80 Plus
600W Continuous Output
80 Plus Gold
125mm FDB Fan
Active PFC
This unit offers high performance with 600W continuous output and 80 Plus Gold efficiency. It reduces energy waste while supporting high-performance gaming hardware effectively.
Pros
- 600W continuous power
- 90 percent efficiency
- 125mm silent fan
- Full voltage active PFC
- Multiple protection types
Cons
- Non modular design
- Larger dimensions
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The 125mm FDB fan ensures silent operation with superior cooling performance. Full voltage 100-240V active PFC supports places with long-term unstable voltage conditions.
It includes multiple protections like OVP UVP OCP to safeguard your system. Although it is non modular the extra wattage provides headroom for future upgrades.
Best for gamers needing stable power for mid range GPUs. It combines Gold efficiency and protection in a standard ATX form factor.
Gaming Performance
Engineered specifically for high-performance gaming PCs the 600W capacity handles demanding loads with 90 percent efficiency.
Fan Technology
The 125mm FDB fan features dynamic bearings for silent operation and delicate airflow dissipation.
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Buying Guide – How to Choose the Best 350W PSU
Selecting the right PSU requires checking wattage efficiency certifications form factor and connector availability for your system.
Wattage Requirements
Ensure the power supply provides enough continuous wattage for your CPU and GPU. A 350W PSU suits low TDP systems under 350 Watts.
Calculate total power needs to avoid overloading the unit during heavy usage scenarios.
Efficiency Certifications
Look for 80 Plus Gold or Bronze certification for better energy conversion rates. Higher ratings mean less heat and lower electricity bills over time.
Gold certified units are best for premium compact builds while Bronze works for budget systems.
Form Factor Compatibility
Check if the PSU matches your case type such as ATX Flex ATX or ITX. The dimensions must fit inside the chassis to ensure proper installation and airflow.
Flex ATX units are smaller and ideal for compact home theater PC builds.
Connector Types
Verify the presence of required connectors like 24pin main 8pin CPU and PCIe. Split connectors can add versatility for older motherboards.
Modular cables improve airflow and cable management in smaller cases significantly.
Fan Cooling
Fans range from 80mm to 125mm with bearing types affecting noise and lifespan. A thermal sensor helps adjust fan speed to balance cooling and noise levels.
Double ball bearing fans typically last longer than sleeve bearing options in hot environments.
Protection Features
Ensure the unit includes protections like OVP UVP SCP and OTP to safeguard components from surges or shorts. These features prevent hardware damage during power outages.
Advanced protection systems add reliability and peace of mind for critical builds.
Warranty Support
A longer warranty such as 3 to 5 years indicates manufacturer confidence in build quality. Check the terms to understand coverage for defects or failures over time.
Budget units often come with shorter warranties compared to premium models.
Build Quality
Materials and internal components affect long term stability. Look for brands with a history of reliability and positive user reviews regarding durability.
Solid quality ensures consistent power delivery without fluctuations that harm sensitive parts.
How to Use and Care for Your 350W PSU
Install the PSU in your case using four screws to secure it firmly. Ensure the fan faces the intake for proper airflow inside the chassis.
Connect the 24pin motherboard and 8pin CPU cables first. Then attach SATA or PCIe cables to your storage drives and graphics card.
Dust the unit with a compressed air blower periodically to maintain cooling performance. Clean filters and keep the area well ventilated to prevent overheating.
Frequently Asked Questions
What is the difference between 350W and 500W PSU?
A 500W PSU provides more continuous power allowing for higher TDP components and GPUs. A 350W unit suits basic office or low end gaming systems without demanding graphics cards.
Do I need a modular PSU for a 350W build?
Modular PSUs are optional but help with airflow in small cases. For standard ATX builds fixed cables are often sufficient and cost less than modular equivalents.
Why is 80 Plus certification important?
The certification ensures the unit converts power efficiently reducing heat and energy loss. This leads to lower electricity bills and cooler operating temperatures for your system.
What protections should a good PSU have?
Look for Over Voltage Short Circuit and Over Temperature protections. These features prevent hardware damage during power spikes or system failures.
Can a 350W PSU run a modern GPU?
Most modern GPUs require more power than 350W provides. Low profile cards like GTX 1050 might work but higher TDP GPUs need at least 500W.
How do I know if the PSU fits my case?
Check the form factor such as ATX Flex ATX or Mini ITX. Match the dimensions provided in the product specs to your case manual before purchasing.
Final Thoughts on Choosing the Best 350W PSU
The Silverstone FX350-G-VT leads our list with Gold efficiency and compact design ideal for small builds. APEVIA VENUS450W offers strong budget performance with solid protection features for entry level users.
Prioritize efficiency and protection over raw wattage for basic systems. A reliable unit with OVP and SCP ensures your components stay safe from electrical issues.
Always check current prices and stock availability on retailer sites. Specifications may vary so confirm details match your specific PC case requirements before buying.