GIGABYTE UD850GM 850W, ATX 2.31

Gigabyte finally looks to be on the right path with the UD units. This whole mess with the P-GM units could have been avoided if they had taken my review of the P750GM seriously since it uncovered the problem of the initial design, but let's all move on. MEIC has delivered a good platform that can be improved vastly with more tuning. This unit has all the necessary protection features correctly configured, which I don't see often. In the overall performance section, the noncompetitive ripple suppression and loose load regulation on the minor rails make it a miss, though. Efficiency has also taken a hit compared to the P850GM. Gigabyte and MEIC could lower the inrush current and improve PF readings with 230 V input, and reduce vampire consumption to below 0.1 W. It appears MEIC focused on 115 V even though many users live in areas with 230 V mains.

The power supply responded very well under full load. The load values were very tight. I was using a Intel 11900K with a RTX 3070. This combination is capable of drawing a lot of power. One of the biggest complaints about high wattage power supplies can be the size and this power supply has all this power packed into a small frame. You also get the fully modular feature that allows you to use only the cables you need. This is almost a necessity if you are needing to save space or want reasonable cable management. I am always concerned with keeping those internal components as cool as possible. The cooler those components the longer it will last.