Best PSU for Core i5-12400 & RTX 4060
This build excels at 1080p gaming with high frame rates and is capable for 1440p gaming. It handles productivity and general computing tasks very well.
450W
280W
62%
Mid-range
🏆 Recommended Power Supplies
Hand-picked for your 450W target — sorted by overall value.
Thermaltake Smart 500W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Cooling Fan, ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0500NPCWUS-W
This 500W unit provides adequate wattage for the build, offering a basic, budget-friendly power solution.
Efficiency80+ White
FormATX
CablesNon-Modular
Price$39.99
ARESGAME AGV Series 500W Power Supply, 80 Plus Bronze Certified, Non Modular Power Supply, 5 Year Warranty
This 500W unit offers good efficiency and wattage, providing reliable power with a decent warranty.
Efficiency80+ Gold
FormATX
CablesNon-Modular
Price$37.99
APEVIA VENUS500W Venus 500W ATX Power Supply with Auto-Thermally Controlled 120mm Fan, 115/230V Switch, All Protections
This 500W PSU offers good efficiency for the system, ensuring stable power delivery for components.
Efficiency80+ Gold
FormATX
CablesNon-Modular
Price$29.99
Thermaltake Smart 500W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Cooling Fan, ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0500NPCWUS-W
Want extra headroom for future GPU upgrades or overclocking? This 500W unit gives you peace of mind.
Efficiency80+ White
FormATX
CablesNon-Modular
Price$39.99
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📊 Quick Comparison
See the key differences at a glance.
| # | Model | Wattage | Efficiency | Modular | Price |
|---|---|---|---|---|---|
| 1 | Thermaltake Smart 500W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Cooling Fan, ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0500NPCWUS-W | 500W | 80+ White | Non-Modular | $39.99 |
| 2 | ARESGAME AGV Series 500W Power Supply, 80 Plus Bronze Certified, Non Modular Power Supply, 5 Year Warranty | 500W | 80+ Gold | Non-Modular | $37.99 |
| 3 | APEVIA VENUS500W Venus 500W ATX Power Supply with Auto-Thermally Controlled 120mm Fan, 115/230V Switch, All Protections | 500W | 80+ Gold | Non-Modular | $29.99 |
| ⬆️ | Thermaltake Smart 500W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Cooling Fan, ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0500NPCWUS-W Upgrade | 500W | 80+ White | Non-Modular | $39.99 |
🔌 Power Budget
Your system uses 62% of the recommended PSU output — well within the efficient operating range.
450W (Recommended)
System draw: 280W
Headroom: 170W (30%)
💡 Why 450W?
Power Calculation
CPU + GPU draw, plus ~100W for motherboard, RAM, fans, and storage.
30% Headroom
Extra capacity absorbs transient power spikes, keeps efficiency in the sweet spot, and leaves room for future upgrades.
80 Plus Efficiency
We only recommend certified PSUs. Higher ratings mean less wasted energy, lower heat, and quieter fans.
🌿 Power Efficiency Tips
Enable CPU power-saving modes in BIOS.
Utilize GPU power limits for optimal efficiency.
Optimize monitor refresh rate settings.
Unplug unused peripherals.
🎯 What This Build Can Do
Gaming
Suitable for modern games with good performance based on your system configuration.
Productivity
Great for office work, multitasking, and everyday computing tasks.
Content Creation
Can handle basic video editing and content creation workflows.
🔧 Installation Guide
Quick Checklist
- Mount the PSU with its fan aligned to your case airflow.
- Only connect cables you actually need (modular PSUs).
- Use dedicated PCIe power cables for NVIDIA GeForce RTX 4060 — no daisy-chaining.
- Boot-test with side panel open before final assembly.
⚠️ Special Note
Ensure proper cable management for optimal airflow and aesthetics during PSU installation.
🔗 Explore More Builds
See PSU recommendations for other CPU + GPU combinations.


