MSI MEG Ai1000P PCIE5 1000W, ATX 3.0

MSI has a strong entry into the high-end PSU club with the MEG Ai1000P PCIe5. It usually takes years to be close to the top of my performance charts, but with CWT’s support, MSI managed to achieve this. It is impressive to see a platform reaching so close to Seasonic’s Prime Platinum unit, which some time ago was the reference for all other PSUs. Still, Corsair with the might RM1000x, and EVGA with the new SuperNOVA 1000 G7 remains at the top, but the difference is negligible. Nevertheless, none of the PSUs I have included in the charts of this review is ATX v3.0 ready. Only the Gigabyte UD1000GM PG5 comes with a 12+4 pin connector, but it fails to pass the corresponding ATX v3.0 tests.

MSI managed to release a PSU that takes the lead in my relative performance charts from the mighty Seasonic Prime Platinum 1000, and this says it all! Thanks to an advanced platform provided by Channel Well Technology, featuring digital controllers, the MEG Ai1000P PCIe 5 achieves high performance on all sections. Moreover, this unit is ATX v3.0 and PCIe 5.0 ready, and indeed it successfully passed all of my new transient response tests, where I have to load the PSU with transient loads that are double its max-rated-capacity. I recently heard that NVIDIA will ask PSU manufacturers to increase the maximum transient load from 200% to 235%, which is noteworthy.