Best PSU for Ryzen 7 7700X & RTX 4060
This build is excellent for 1080p high-refresh-rate gaming, capable of 1440p at medium settings, and handles productivity tasks efficiently.
450W
320W
71%
Mid-range
🏆 Recommended Power Supplies
Hand-picked for your 450W target — sorted by overall value.
APEVIA VENUS450W 450W ATX Power Supply with Auto-Thermally Controlled 120mm Fan, 115/230V Switch, All Protections
This 450W 80+ Gold PSU offers sufficient power and good efficiency for the build.
Efficiency80+ Gold
FormATX
CablesNon-Modular
Price$27.99
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
Its 500W capacity provides ample headroom, though 80+ White efficiency is basic.
Efficiency80+ White
FormATX
CablesNon-Modular
Price$39.99
APEVIA VENUS500W Venus 500W ATX Power Supply with Auto-Thermally Controlled 120mm Fan, 115/230V Switch, All Protections
This 500W 80+ Gold PSU provides excellent power capacity and good energy efficiency.
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 | APEVIA VENUS450W 450W ATX Power Supply with Auto-Thermally Controlled 120mm Fan, 115/230V Switch, All Protections | 450W | 80+ Gold | Non-Modular | $27.99 |
| 2 | 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 |
| 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 71% of the recommended PSU output — well within the efficient operating range.
450W (Recommended)
System draw: 320W
Headroom: 130W (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 AMD Eco Mode for CPU power savings.
Consider GPU undervolting for lower power consumption.
🎯 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 all power cables are firmly seated into components and the PSU.
🔗 Explore More Builds
See PSU recommendations for other CPU + GPU combinations.