Best PSU for Ryzen 7 5700X & RX 7900 GRE
This build offers excellent 1440p gaming and strong 4K performance. It handles demanding titles and productivity tasks very well.
600W
425W
71%
High-end
🏆 Recommended Power Supplies
Hand-picked for your 600W target — sorted by overall value.
Thermaltake SMART 600W ATX 12V V2.3/EPS 12V 80 Plus Certified Active PFC Power Supply PS-SPD-0600NPCWUS-W
Its 600W capacity and 80+ Gold efficiency adequately power this CPU/GPU combination, ensuring stable operation.
Efficiency80+ Gold
FormATX
CablesNon-Modular
Price$42.99
Apevia SPIRIT600W Spirit 600W ATX Power Supply with Auto-Thermally Controlled 120mm Fan, 115/230V Switch, All Protections
The 600W 80+ Gold rating provides sufficient, efficient power for the Ryzen 7 5700X and RX 7900 GRE.
Efficiency80+ Gold
FormATX
CablesNon-Modular
Price$33.99
Thermaltake Toughpower GX2 80+ Gold 600W SLI/Crossfire Ready Continuous Power ATX 12V V2.4/EPS V2.92 Non Modular Power Supply 5 Year Warranty PS-TPD-0600NNFAGU-2
This 600W 80+ Gold unit offers reliable power delivery, perfectly suiting the RX 7900 GRE and 5700X.
Efficiency80+ Gold
FormATX
CablesNon-Modular
Price$59.99
Rosewill VSB 650W 80+ Bronze, ATX 3.0 & 3.1 Compatible, Semi-Modular Power Supply, PCIe 5.1 12V-2×6 Connector, 105°C/221°F Japanese Capacitor, 120mm ICB Silent Fan – 5 Year Warranty
Want extra headroom for future GPU upgrades or overclocking? This 650W unit gives you peace of mind.
Efficiency80+ Bronze
FormATX
CablesSemi-Modular
Price$59.99
Amazon.com prices as of 05/07/2026 04:41 GMT+0000 —
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📊 Quick Comparison
See the key differences at a glance.
| # | Model | Wattage | Efficiency | Modular | Price |
|---|---|---|---|---|---|
| 1 | Thermaltake SMART 600W ATX 12V V2.3/EPS 12V 80 Plus Certified Active PFC Power Supply PS-SPD-0600NPCWUS-W | 600W | 80+ Gold | Non-Modular | $42.99 |
| 2 | Apevia SPIRIT600W Spirit 600W ATX Power Supply with Auto-Thermally Controlled 120mm Fan, 115/230V Switch, All Protections | 600W | 80+ Gold | Non-Modular | $33.99 |
| 3 | Thermaltake Toughpower GX2 80+ Gold 600W SLI/Crossfire Ready Continuous Power ATX 12V V2.4/EPS V2.92 Non Modular Power Supply 5 Year Warranty PS-TPD-0600NNFAGU-2 | 600W | 80+ Gold | Non-Modular | $59.99 |
| ⬆️ | Rosewill VSB 650W 80+ Bronze, ATX 3.0 & 3.1 Compatible, Semi-Modular Power Supply, PCIe 5.1 12V-2×6 Connector, 105°C/221°F Japanese Capacitor, 120mm ICB Silent Fan – 5 Year Warranty Upgrade | 650W | 80+ Bronze | Semi-Modular | $49.98 |
🔌 Power Budget
Your system uses 71% of the recommended PSU output — well within the efficient operating range.
600W (Recommended)
System draw: 425W
Headroom: 175W (30%)
💡 Why 600W?
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 Smart Access Memory (SAM) for GPU performance boost.
Utilize monitor's refresh rate and FreeSync for smooth gaming.
🎯 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 AMD Radeon RX 7900 GRE — no daisy-chaining.
- Boot-test with side panel open before final assembly.
⚠️ Special Note
Ensure all GPU power connectors are securely plugged in for stable operation.
🔗 Explore More Builds
See PSU recommendations for other CPU + GPU combinations.