Starting part
Segotep GN 650 W 80+ Gold Certified ATX Power Supply
Better fit if sata matters: 6 listed.
Segotep GN 650 W 80+ Gold Certified ATX Power Supply vs Thermaltake Smart W3 500 W 80+ Certified ATX Power Supply
Side-by-side power supply specifications, price freshness, and neutral decision guidance to help you carry the right part into your PC build.
Segotep GN 650 W 80+ Gold Certified ATX Power Supply
Segotep
$49.99
Thermaltake Smart W3 500 W 80+ Certified ATX Power Supply
Thermaltake
$49.99
Comparison complete · next step
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Choose the part you want to keep. Guided Builder carries it forward, then helps you set the budget and complete every remaining slot.
- Compared the specs
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Choose your starting part
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Starting part
Thermaltake Smart W3 500 W 80+ Certified ATX Power Supply
Better fit if length matters: 140 mm listed.
Material specification differences
Direct specifications only - not benchmarks or an overall score.
- If sata matters: Segotep GN 650 W 80+ Gold Certified ATX Power Supply lists 6.
- If wattage matters: Segotep GN 650 W 80+ Gold Certified ATX Power Supply lists 650 W.
- If length matters: Thermaltake Smart W3 500 W 80+ Certified ATX Power Supply lists 140 mm.
Key specs at a glance
Top 3 specs that matter most. Full spec-by-spec breakdown is in the table below.
Performance
WattageHigher is better
Segotep GN 650 W 80+ Gold Certified ATX Power Supply
650 W
Thermaltake Smart W3 500 W 80+ Certified ATX Power Supply
500 W
Physical
LengthLower is better
Segotep GN 650 W 80+ Gold Certified ATX Power Supply
160 mm
Thermaltake Smart W3 500 W 80+ Certified ATX Power Supply
140 mm
Connectivity
SATAHigher is better
Segotep GN 650 W 80+ Gold Certified ATX Power Supply
6
Thermaltake Smart W3 500 W 80+ Certified ATX Power Supply
2
Comparison complete · next step
Turn this power supply decision into a compatible PC.
Choose the part you want to keep. Guided Builder carries it forward, then helps you set the budget and complete every remaining slot.
- Compared the specs
- Keep one power supply
- Check the complete build
Choose your starting part
Guided Builder is recommended. Advanced stays available as the manual path.
Starting part
Segotep GN 650 W 80+ Gold Certified ATX Power Supply
Better fit if sata matters: 6 listed.
Starting part
Thermaltake Smart W3 500 W 80+ Certified ATX Power Supply
Better fit if length matters: 140 mm listed.
Material specification differences
Direct specifications only - not benchmarks or an overall score.
- If sata matters: Segotep GN 650 W 80+ Gold Certified ATX Power Supply lists 6.
- If wattage matters: Segotep GN 650 W 80+ Gold Certified ATX Power Supply lists 650 W.
- If length matters: Thermaltake Smart W3 500 W 80+ Certified ATX Power Supply lists 140 mm.
From comparison to complete build
Choose the part you want to build around.
Your selection carries into the builder. Guided Builder keeps it in place and helps you complete the remaining compatible parts.
- Compare specs
- 02Keep a part
- 03Finish the PC
| Component | $49.99 Checked 8/26/2026, 12:07:24 PM Continue with this part Keep it selected while you complete the rest of the PC. | $49.99 Continue with this part Keep it selected while you complete the rest of the PC. |
|---|---|---|
| Performance | ||
| Efficiency | 80+ Gold | 80+ |
| Wattage | 650 W | 500 W |
| Power | ||
| Modular | No | No |
| SATA Connectors | 6 | 2 |
| Fanless | No | No |
| Physical | ||
| Length | 160 mm | 140 mm |
| Build | ||
| Type | ATX | ATX |
| Color | Black | Black |
| Other | ||
| Price Updated At | 2026-08-26T12:07:24.814+00:00 | - |
PC Launchpad earns commissions from qualifying purchases. Amazon prices can change at any time; confirm the current price and availability on Amazon before buying.
Common questions
How should I choose between these power supplys?v
Start with the specifications that matter for your workload, then review power, physical fit, platform, and connectivity tradeoffs. PC Launchpad highlights only direct, verifiable specification differences and does not declare a universal winner.
Can I mix any of these power supplys with the rest of my parts?v
PC Launchpad's Guided Builder checks compatibility across every component automatically. Click "Use in Build" on any option above and the builder will flag socket, form-factor, wattage, or clearance issues before you check out.
Where are the prices from?v
Prices come from Amazon availability, which PC Launchpad updates regularly. If a component is out of stock or prices change, the comparison may not reflect the latest number - always confirm on the retailer page before you buy.
Is the Segotep GN 650 W 80+ Gold Certified ATX Power Supply better than the Thermaltake Smart W3 500 W 80+ Certified ATX Power Supply?v
It depends on the workload. Use the chart summary above for the quick read, then look at the spec-by-spec breakdown to see which individual metrics favor which part. Verifiable numeric winners are emphasized only when the data has a clear direction, such as higher capacity or lower latency.
Which one is better value - the Segotep GN 650 W 80+ Gold Certified ATX Power Supply or the Thermaltake Smart W3 500 W 80+ Certified ATX Power Supply?v
Value depends on your workload and the rest of the build. Compare the specifications you will actually use, then confirm the current retailer price before purchasing; PC Launchpad does not infer benchmark performance from catalog specifications.