MSI MAG A550BN 550 W 80+ Bronze Certified ATX Power Supply vs Segotep GN 650 W 80+ Gold 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.
Key specs at a glance
Top 3 specs that matter most. Full spec-by-spec breakdown is in the table below.
Performance
Physical
Connectivity
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 8/24/2026, 12:07:30 AM Continue with this part Keep it selected while you complete the rest of the PC. | $49.99 Checked 8/24/2026, 12:07:29 AM Continue with this part Keep it selected while you complete the rest of the PC. |
|---|---|---|
| Performance | ||
| Efficiency | 80+ Bronze | 80+ Gold |
| Wattage | 550 W | 650 W |
| Power | ||
| Modular | No | No |
| SATA Connectors | 5 | 6 |
| Fanless | No | No |
| Physical | ||
| Length | 140 mm | 160 mm |
| Build | ||
| Type | ATX | ATX |
| Color | Black | Black |
| Other | ||
| Price Updated At | 2026-08-24T00:07:30.308+00:00 | 2026-08-24T00:07:29.425+00:00 |
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 MSI MAG A550BN 550 W 80+ Bronze Certified ATX Power Supply better than the Segotep GN 650 W 80+ Gold 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 MSI MAG A550BN 550 W 80+ Bronze Certified ATX Power Supply or the Segotep GN 650 W 80+ Gold 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.