Best PSU for Ryzen 5 5600G & Arc B580
This build handles 1080p gaming well, offering smooth frame rates in most titles and strong performance for productivity tasks. It's a capable all-around system.
500W
355W
71%
Mid-range
🏆 Recommended Power Supplies
Hand-picked for your 500W 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 sufficient power for the build, offering basic 80+ White efficiency.
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
Offers good 80+ Gold efficiency and ample 500W power, suitable for reliable system operation.
Efficiency80+ Gold
FormATX
CablesNon-Modular
Price$29.99
ARESGAME AGV Series 500W Power Supply, 80 Plus Bronze Certified, Non Modular Power Supply, 5 Year Warranty
Provides adequate 500W power with decent 80+ Bronze efficiency and a reassuring 5-year warranty.
Efficiency80+ Gold
FormATX
CablesNon-Modular
Price$37.99
MSI MAG A550BN, Non-Modular Compact 550W Power Supply, 80+ Bronze, Low-Noise Fan, Active PFC Design, 5 Year Warranty
Want extra headroom for future GPU upgrades or overclocking? This 550W unit gives you peace of mind.
Efficiency80+ Bronze
FormATX
CablesNon-Modular
Price$52.12
Amazon.com prices as of 05/25/2026 09:57 GMT+0000 —
Details
Product prices and availability are accurate as of the date/time indicated and are subject to change.
Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
As an Amazon Associate, we earn from qualifying purchases.
📊 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 | 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 |
| 3 | ARESGAME AGV Series 500W Power Supply, 80 Plus Bronze Certified, Non Modular Power Supply, 5 Year Warranty | 500W | 80+ Gold | Non-Modular | $37.99 |
| ⬆️ | MSI MAG A550BN, Non-Modular Compact 550W Power Supply, 80+ Bronze, Low-Noise Fan, Active PFC Design, 5 Year Warranty Upgrade | 550W | 80+ Bronze | Non-Modular | $52.67 |
🔌 Power Budget
Your system uses 71% of the recommended PSU output — well within the efficient operating range.
500W (Recommended)
System draw: 355W
Headroom: 145W (30%)
💡 Why 500W?
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.
Optimize GPU settings for lower power.
Unplug peripherals when not in use.
🎯 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 Intel Arc B580 — no daisy-chaining.
- Boot-test with side panel open before final assembly.
⚠️ Special Note
Ensure all modular cables are securely connected to both PSU and components before powering on.
🔗 Explore More Builds
See PSU recommendations for other CPU + GPU combinations.