Apevia ATX-ES700-RGB 700 W Semi-modular ATX Power Supply vs Montech APX 550 W 80+ Certified ATX Power Supply
Side-by-side power supply comparison with performance scores, spec-by-spec breakdown, and recommendations to help you pick the right part for 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
| Component | ||
|---|---|---|
| Performance | ||
| Efficiency | - | 80+ |
| Wattage | 700 W | 550 W |
| Power | ||
| Modular | Semi | No |
| SATA Connectors | 4 | 6 |
| Fanless | No | No |
| Physical | ||
| Length | 160 mm | 140 mm |
| Build | ||
| Type | ATX | ATX |
| Color | Black | Black |
Common questions
How should I choose between these power supplys?▾
Look at the Overall score in the summary above - it's a weighted blend of the specs that matter most for a power supply (performance, memory, power). Then cross-check the Value score, which divides that by price. Below the summary, the spec-by-spec breakdown shows exactly where each option leads or lags.
Can I mix any of these power supplys with the rest of my parts?▾
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?▾
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 Apevia ATX-ES700-RGB 700 W Semi-modular ATX Power Supply better than the Montech APX 550 W 80+ Certified ATX Power Supply?▾
It depends on the workload. Use the Overview tab above for the quick answer (Overall score), then look at the Specs tab to see which individual metrics favor which card. The "Best in row" crown marks the winning value on each spec.
Which one is better value - the Apevia ATX-ES700-RGB 700 W Semi-modular ATX Power Supply or the Montech APX 550 W 80+ Certified ATX Power Supply?▾
The Value score in the summary divides the Overall performance score by current price, so the higher-scoring one is the stronger $/performance pick on today's prices. For budget builds, favor Value; for no-compromise builds, favor Overall.