Power supply: MSI MAG A1000G 80+ Gold
The measurement setup for gaming is permanently installed and cannot be changed easily. However, I have the redundant additional setup the measuring station for the power consumption. Since MSI also places its own 1000-Watt power supply on the market parallel to the card, I also tested this power supply at MSI’s request (and my own curiosity), at least as far as the loads and the quality of the supply are concerned. I don’t have Chroma, of course, but I do have load peaks and pure hardware.
The power supply is based on the still quite new CSZ platform from the contract manufacturer Channel Well Technologies, where many other companies (e.g. Corsair) also have manufacturing done. The first impression is not a bad one and the performance was also easily enough for the 500 watts of the MSI RTX 3090 Ti SUPRIM X and an Intel Core i9-12900K, which I had overclocked properly once again for testing. I could not detect any failures, instabilities or shutdowns and the individual voltage rails were also very well within the normal ranges.
The quality of the delivered DC voltage (ripple) is also really acceptable for the end user, but is slightly above what I experienced in the original setup with the power supplies from Be Quiet! and Seasonic can record. But it’s not a deal-breaker. For this, there is a button to let the unit run in zero fan mode. After all. Only for full loads this is not really useful.
What confuses me a bit at first glance is the accessories and the included cables. Using two of the connectors for the CPU leaves three sockets for the five included PCIe cables. Of these, two are Y-connectors ending in two 6-2 pins each, the other three are single cables. Not bad in principle, but you could have saved a bit here. The four sockets for Molex/SATA are ok and sufficient.
The MAG A1000G, being based on a decent platform, is certainly not a bad offering, so I’ve included it in the article. At least the power supply can be certified that it still manages safely and stably with the in-house MSI GeForce RTX 3090 Ti SUPRIM X 24 GB and a Core i9-12900K as well as the Ryzen 9 5900X (also both with OC). By the way, it wasn’t loud either, which would have really bothered me. That takes care of that, too, and I’m donating this ad-free power supply to a charity project after this use.
Test system and evaluation software
The benchmark system is new and is no longer in the lab, but in the editorial room again. I now also rely on PCIe 4.0, the matching X570 motherboard in the form of an MSI MEG X570 Godlike, and a select Ryzen 9 5950 X that has been heavily overclocked water-cooled. In addition, there is fast RAM as well as several fast NVMe SSDs. For direct logging during all games and applications, I use NVIDIA’s PCAD, which increases the comfort immensely.
The measurement of power consumption and other things is carried out here in the special laboratory on a redundant test system that is identical down to the last detail, then on two tracks using high-resolution oscillograph technology…
…and the self-created MCU-based measurement setup for motherboards graphics cards (pictures below), where at the end in the air-conditioned room also the thermographic infrared images are created with a high-resolution industrial camera. The audio measurements are done outside in my Chamber.
I have also summarized the individual components of the test system in a table:
- 1 - Introduction, Unboxing and Technical Data
- 2 - MSI's PSU, Test System and Test Methods
- 3 - Teardown, PCB Analysis, Components and Cooler
- 4 - Gaming Performance (Bars)
- 5 - Gaming Performance (Curves)
- 6 - Percentiles (Curves)
- 7 - Frame Times (Curves)
- 8 - Frame Times (Bars)
- 9 - Variances (Bars)
- 10 - Power Draw GPU in Detail (Each Game)
- 11 - Power Draw CPU in Detail (Each Game)
- 12 - Effiziency in Detail (Each Game)
- 13 - Power Consumption in Games and Applications (Average)
- 14 - Transients, PCIe Standard and PSU Recommendation
- 15 - Temperatures and Thermal Imager
- 16 - Fan Speed, Noise, Coil Whining
- 17 - Summary and Conclusion
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