MSI MEG Ai1300P PCIE5 vs ASUS ROG Thor 1200P2
Efficiency, ATX compliance, 12V-2x6 support, Cybenetics rating, and 5-year total cost of ownership.
| Spec | MSI MEG Ai1300P PCIE5 | ASUS ROG Thor 1200P2 |
|---|---|---|
| Wattage | 1300W | 1200W |
| Efficiency Tier | platinum | platinum |
| ATX Version | ATX 3.1 | ATX 3.1 |
| 12V-2x6 (RTX 5090 safe) | ✓ Yes | ✓ Yes |
| Modular | full | full |
| Cybenetics Rating | ETA-A+ | ETA-A+ |
| MSRP | $369 | $449 |
| Est. Annual Electricity Cost | $246/yr | $246/yr |
| 5-Year Total Cost (TCO) | $1599 | $1679 |
5-Year Total Cost of Ownership
Assuming 500W average draw, 8 hours/day gaming, and $0.15/kWh electricity:
MSI MEG Ai1300P PCIE5 costs ~$1599 over 5 years (purchase + electricity), saving approximately $80 compared to ASUS ROG Thor 1200P2.
Frequently Asked Questions
Which is more efficient — MSI MEG Ai1300P PCIE5 or ASUS ROG Thor 1200P2?
MSI MEG Ai1300P PCIE5 is rated 80+ Platinum (~89% efficient), making it more efficient than ASUS ROG Thor 1200P2 (80+ Platinum (~89% efficient)). Higher efficiency means less electricity waste as heat, lower operating costs, and better thermal performance.
Can MSI MEG Ai1300P PCIE5 run an RTX 5090?
MSI MEG Ai1300P PCIE5 includes a native 12V-2x6 cable and supports ATX 3.1 — it is compatible with the RTX 5090, provided the wattage (1300W) is sufficient for your full build.
Which has lower long-term cost?
At $0.15/kWh and 8 hours/day, MSI MEG Ai1300P PCIE5 costs ~$1599 total over 5 years (purchase + electricity) vs ~$1679 for ASUS ROG Thor 1200P2 — a difference of ~$80.