Thermaltake Smart 500W
4.6Editor score
White certification standard
Quiet cooling fan
Active PFC included
In this guide
Choosing a reliable power supply is crucial for any PC build. A 350W unit fits small cases and entry-level systems perfectly. It ensures stable power without wasting space or electricity on unnecessary capacity.
We evaluated ten leading models based on efficiency ratings and build quality. Our comparison covers ATX and compact form factors with varying connector options. Each pick balances performance and cost for different user needs.
Every selection highlights key specs and real-world performance traits. Prices fluctuate frequently so check current listings before buying. Read on to find the ideal power source for your specific hardware setup today.
Top 3 Picks for Best 350W PSU
Silverstone Technology FX350-G-VT
4.8Editor score
Gold certified efficiency
Flex ATX form factor
Single 12V rail
Antec BP350 Basiq Power
5.0Editor score
Trusted brand quality
Reliable entry level
Solid build standards
Top 10 Best 350W PSU in 2026 Compared
This table provides a quick side-by-side view of all ten selected power supplies. Compare their key specifications and ratings to find the model that fits your build requirements best.
ProductsSpecificationsEditor scorePrice
Best Budget
Thermaltake Smart 500W
500W continuous output
80 PLUS White rated
120mm cooling fan
Active PFC included
4.6Editor score
Editor's Choice
Silverstone Technology FX350-G-VT
350W continuous power
80 PLUS Gold rated
Flex ATX form
Single 12V rail
4.8Editor score
Best Premium
Apevia ITX-PFC400W
400W max power
Fully modular design
Mini ITX compatible
Active PFC tech
3.9Editor score
APEVIA VENUS450W
450W power rating
120mm cooling fan
Auto thermal control
Complete protection suite
4.0Editor score
ARESGAME AGV Series 500W
500W output wattage
80 PLUS Bronze cert
Non modular design
Five year warranty
4.4Editor score
PSU for ATX 350W HG2
350W standard PSU
ATX form factor
ROHS compliance
Various model options
4.5Editor score
PC Power Supply 350W Low Energy
350W desktop unit
Low energy design
115230V switch
Thermal fan control
5.0Editor score
Antec BP350 Basiq Power
350W power supply
ATX12V desktop
244Pin connectors
Budget reliable choice
5.0Editor score
Antec Basiq BP350
350Watt capacity
ATX12V V2.01
80mm quiet fan
Standard ATX power
4.5Editor score
600W Power Supply 80 Plus Gold
600W continuous output
80 PLUS Gold rated
125mm FDB fan
Multiple safety protections
5.0Editor score
1. Silverstone Technology FX350-G-VT – Best Compact Efficiency
Silverstone Technology FX350-G-VT
350W continuous power
80 PLUS Gold efficiency
Flex ATX 1U
Single +12V rail
This Silverstone unit stands out for compact builds needing reliable power. It holds a strong 80 PLUS Gold certification ensuring high efficiency. The Flex ATX form factor makes it ideal for 1U systems.
Pros
- High Gold efficiency rating
- Perfect for 1U cases
- Reliable single rail design
- Active PFC included
- Compact size fits small builds
Cons
- Higher price point
- Fixed cable management
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It delivers 350W continuous output at 40C rated for 24/7 operation. The class leading single +12V rail supports modern components well. Active PFC ensures clean power delivery to all parts.
The fixed cables limit flexibility slightly compared to modular units. The higher cost reflects the specialized compact design. For small form factor builds this trade off is often worth it.
Buyers needing a small high efficiency PSU should choose this. It works for mini PCs and compact media centers. It offers stability and quality for critical systems.
Compact Form Factor Benefits
The Flex ATX 1U size allows installation in tiny cases. This saves space while maintaining power output.
Efficiency and Power Quality
Gold certification reduces wasted energy and heat. Active PFC improves voltage stability for better performance.
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2. Thermaltake Smart 500W – Best Budget Entry
Thermaltake Smart 500W
500W continuous output
80 PLUS White certified
120mm quiet fan
Active PFC included
Thermaltake Smart offers solid power at a low cost. It delivers 500W continuous output which exceeds 350W needs. The 80 PLUS White certification ensures basic efficiency standards.
Pros
- Very affordable price
- 500W headroom
- Quiet cooling fan
- Industry grade protections
- 5 year warranty
Cons
- White efficiency rating
- Basic cable design
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Features include Active PFC and industry grade protections like OVP and SCP. The 120mm fan keeps noise low under load. It supports standard ATX 12V V2.3 standards.
Efficiency is lower than Gold models but acceptable for basic use. The non modular cables can look cluttered in large cases. For budget builds this is a reliable choice.
Ideal for entry level gaming or office PCs. The 5 year warranty adds peace of mind. Choose this for value and dependable power.
Value for Money
The price point is very competitive for 500W. It balances cost and reliability for budget builders.
Protection Features
Multiple protections like OVP and SCP protect your components. Active PFC improves power factor efficiency.
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3. Antec BP350 Basiq Power – Best Brand Reliability
Antec BP350 Basiq Power
350W power supply
ATX12V desktop
24/4-Pin connectors
Solid build quality
Antec Basiq brings trusted quality to budget builds. It does the job simply and efficiently for entry level users. The brand history ensures reliable components and build standards.
Pros
- Trusted Antec brand
- Reliable entry level
- Simple efficient design
- Budget friendly price
- Quality components used
Cons
- Older design style
- Non modular cables
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This unit provides stable power for basic desktop systems. The connectors are standard 24/4-Pin for easy installation. It focuses on reliability over flashy features or extra cables.
The design is older but proven for daily use. Lack of modular cables may limit aesthetics. Still it satisfies demands of budget minded builders well.
Buyers seeking a no fuss reliable power supply should buy this. It avoids unreliable no-name brands. Good for home or office basic systems.
Brand Trust
Antec years of experience ensure world-class quality. You get solid quality without expensive price tags.
Efficiency and Simplicity
Simple design means less complexity and failure points. It is efficient for entry-level power users.
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4. Apevia ITX-PFC400W – Best Modular ITX
Apevia ITX-PFC400W
400W maximum power
Fully modular design
Mini-ITX / FLEX
Active PFC 90-264V
Apevia ITX-PFC400W offers full modularity for small cases. It supports Mini-ITX and FLEX ATX types. The 400W maximum power fits many compact builds.
Pros
- Fully modular cables
- Small ITX size
- Active PFC range
- SATA and Molex connectors
- 40mm double ball fan
Cons
- Lower rating score
- Small fan noise
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Modular cables improve airflow and aesthetics. Active PFC works from 90-264V globally. It includes various protections like OVP OLP OCP OTP SCP.
The small 40mm fan can be noisy. Ratings are lower due to quality concerns. Cables can split into 20+4 or 4+4 connectors.
Use for compact builds needing modular flexibility. Check compatibility carefully before installation. Good for specific ITX system needs.
Modular Flexibility
Fully modular design reduces cable clutter. It helps in tight ITX chassis layouts.
Voltage Compatibility
Full range active PFC handles global voltages. It ensures stable power delivery worldwide.
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5. APEVIA VENUS450W – Best Value Protection
APEVIA VENUS450W
450W power supply
120MM cooling fan
All protections included
Auto-thermally controlled
Apevia Venus delivers 450W reliable power for PCs. It includes auto-thermally controlled 120mm fan for quiet cooling. All protections ensure safe operation under various conditions.
Pros
- Auto thermal control
- Complete protection suite
- Affordable price
- 120mm silent fan
- Flexible CPU power
Cons
- Basic build materials
- No efficiency rating
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Features include short circuit and over voltage protections. Flexible CPU power allows 4+4 pin connection. Voltage control has 5% tolerance for stability.
The design is basic with no specific efficiency rating. The fan might struggle under heavy load heat. But for basic use it offers good protection.
Buyers wanting safety and value should consider this. It works well for low power desktops. A solid affordable option.
Thermal Management
Auto thermal control adjusts fan speed as needed. This reduces noise and maintains safe temperatures.
Connector Options
Multiple connectors provide versatility for components. Flexible CPU power helps with various boards.
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6. ARESGAME AGV Series 500W – Best Bronze Rating
ARESGAME AGV Series 500W
500W continuous output
80 PLUS Bronze cert
Non modular design
5 year warranty
ARESGAME AGV provides 500W continuous output with Bronze efficiency. The 80 PLUS certification ensures over 85% efficiency. All cables are black for better aesthetics.
Pros
- Bronze certified efficiency
- 500W continuous output
- All black cables
- 5 year warranty
- Ultra quiet fan
Cons
- Non modular cables
- Brand unknown
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It includes heavy protections like OVP UVP OPP SCP. The ultra quiet fan ensures cooling without noise. A 5 year warranty offers long term support.
The non modular design may be bulky. The brand is newer compared to major names. Still the specs offer good value.
Ideal for budget builds needing better efficiency. The warranty provides extra security. A good choice for entry level gaming.
Efficiency Rating
Bronze certification saves energy and reduces heat. It is better than standard White models.
Warranty Protection
A 5 year warranty covers long term use. It shows manufacturer confidence in the product.
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7. PSU for ATX 350W HG2 – Standard ATX Choice
PSU for ATX 350W HG2
350W standard PSU
ATX form factor
ROHS compliance
Various model options
This PSU fits standard ATX cases perfectly. It comes in multiple model variants like HG2-6300P. ROHS compliance ensures environmental safety standards.
Pros
- Standard ATX size
- ROHS compliant
- Affordable cost
- Multiple variants
- Direct replacement
Cons
- Basic features
- Unclear warranty
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The 350W output is sufficient for basic systems. It serves as a direct replacement unit. The design is simple and functional.
Details are limited and features are standard. Warranty terms are not clearly specified. However it meets basic requirements.
Buyers needing a simple replacement should check this. It works for standard desktops. Keep expectations realistic for basic builds.
Form Factor Fit
Standard ATX size fits most cases. It ensures compatibility with common builds.
Environmental Compliance
ROHS compliance reduces hazardous materials. It meets safety standards for manufacturing.
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8. PC Power Supply 350W Low Energy – Best Energy Saver
PC Power Supply 350W Low Energy
350W desktop unit
Low energy design
115/230V switch
Thermal fan control
Low energy consumption suits basic desktop systems. The 115/230V switch offers flexibility for voltage. Clear connector marks make installation quick.
Pros
- Low energy consumption
- Adjustable voltage switch
- Easy connector marks
- Thermal fan control
- Quiet basic system
Cons
- No efficiency cert
- Limited features
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Fan speed is controlled by a thermal sensor. This keeps noise low when idle. It is suitable for basic noise sensitive setups.
The 5.0 rating reflects user satisfaction. It lacks official efficiency certification. But it performs well for low power needs.
Buyers looking for quiet low energy systems should buy. It avoids high noise. A good choice for basic office PCs.
Voltage Flexibility
Manual switching allows use in different regions. It ensures safe voltage for power.
Thermal Fan Control
Auto fan control reduces noise when cool. It helps maintain quiet operation.
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9. Antec Basiq BP350 – Classic Quiet Option
Antec Basiq BP350
350Watt capacity
ATX12V V2.01
80mm quiet fan
Standard ATX power
Antec Basiq BP350 features a classic quiet design. The 80mm fan keeps noise low. It complies with ATX12V V2.01 standards.
Pros
- 80mm quiet fan
- Trusted Antec brand
- ATX12V V2.01
- Solid build
- Standard connectors
Cons
- Smaller fan size
- Older standard
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Build quality follows Antec trusted standards. It uses standard ATX connectors for compatibility. The design is simple and effective.
Smaller fan size limits high airflow. The standard is older than modern V2.3. But it works well for low power needs.
Buyers seeking a reliable quiet PSU should choose this. It suits small desktop systems. A trusted choice for basic builds.
Quiet Operation
80mm fan ensures minimal noise. It is good for quiet rooms.
Standards Compliance
ATX12V V2.01 ensures basic compatibility. It supports standard PC requirements.
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10. 600W Power Supply 80 Plus Gold – High Power Option
600W Power Supply 80 Plus Gold
600W continuous output
80 PLUS Gold rated
125mm FDB fan
Multiple safety protections
This 600W PSU offers more power than 350W units. It holds 80 PLUS Gold certification for high efficiency. The 125mm FDB fan ensures quiet cooling.
Pros
- 600W power headroom
- Gold efficiency rating
- 125mm FDB fan
- Full voltage PFC
- Multiple cable options
Cons
- Overkill for 350W needs
- Non modular design
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It supports standard ATX cases and includes multiple protections. Full voltage active PFC ensures stability. It includes dual CPU cables and PCIe connectors.
The extra power may be unused for 350W needs. Non modular cables can limit case fit. But it offers better longevity and headroom.
Buyers wanting future-proof power should consider this. It works for upgrades. A solid high efficiency choice.
Headroom for Upgrades
600W allows GPU or CPU upgrades later. It reduces need for future PSU changes.
Cooling and Stability
125mm FDB fan reduces noise. Multiple protections ensure component safety.
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Buying Guide – How to Choose the Best 350W PSU
Selecting the right power supply ensures system stability and longevity. Focus on efficiency, wattage, form factor, and connectors to match your build.
Wattage and Power Needs
Calculate total power consumption of CPU and GPU plus other parts. A 350W PSU fits basic systems but may struggle with high-end cards.
Always leave headroom for future upgrades to avoid overloading the unit.
Efficiency Rating
Look for 80 PLUS Bronze or Gold ratings for better efficiency. Higher ratings reduce electricity bills and heat inside the case.
White is basic but Bronze offers a good balance for budget builds.
Form Factor Compatibility
Standard ATX fits most mid-tower cases. Compact builds may need Flex ATX or SFX options.
Measure your case dimensions to ensure the unit fits properly inside.
Modular vs Non Modular
Fully modular units let you use only needed cables for better airflow. Non modular units are cheaper but cable clutter is common.
Choose non modular for tight budgets and modular for clean builds.
Connector Types
Ensure your PSU has enough 24-pin motherboard and CPU 4+4 pin connectors. Check for SATA or Molex connectors for drives.
Missing connectors can require adapters that may reduce safety.
Safety Protections
Look for OVP UVP OCP SCP to protect against power surges or shorts. Active PFC stabilizes voltage delivery to components.
Basic protections prevent hardware damage during unexpected power events.
Fan Noise and Cooling
120mm fans are generally quieter than 80mm ones. Thermal control adjusts speed based on temperature for silence.
Check dB ratings if noise is a concern for your environment.
Warranty and Brand
Reputable brands like Antec or Thermaltake offer better support. Warranty terms range from 3 to 5 years.
Longer warranties indicate higher quality components and reliability.
How to Use and Care for Your 350W PSU
Connect the 24-pin motherboard cable first then CPU power connectors. Ensure the PSU switch is off before connecting to wall.
Keep intake vents clear of dust for proper airflow. Use compressed air to clean fans every six months.
Avoid overloading the unit beyond its continuous rating. Monitor system temperatures to detect overheating early.
Frequently Asked Questions
Is a 350W PSU enough for gaming?
It works for entry-level cards like GTX 1050 Ti. Avoid high-end GPUs that need more power. Always check component wattage requirements.
What does 80 PLUS mean?
It certifies efficiency at different load levels. Higher ratings like Gold save energy. White is basic while Platinum is top tier.
Should I buy modular or non modular?
Non modular is cheaper and fine for budget builds. Modular helps cable management in clean systems. Choose based on your priority.
Do I need Active PFC?
Yes Active PFC stabilizes voltage and improves efficiency. It works with unstable power sources better. Passive PFC is less efficient.
How do I check PSU wattage?
Look at the label on the PSU unit. It lists total wattage on each rail. Use calculators to sum component needs.
Can I mix PSU cables from another unit?
No pinouts vary by brand. Use the correct PSU cables to avoid damage. Never mix cables from different units.
Final Thoughts on Choosing the Best 350W PSU
We reviewed ten models from efficient compact Gold units to affordable Bronze options. The Silverstone FX350 offers top efficiency while Thermaltake provides great value.
Prioritize safety protections and warranty when choosing your power supply. Ensure the unit matches your case form factor and cable needs.
Prices change quickly so verify current deals before purchasing. Choose the model that fits your budget and reliability requirements today.