https://wccftech.com/fsp-introduces-the-new-hydro-ptm-pro-80-plus-platinum-psu-series/

FSP introduces its newest high-end power supply series, called the Hydro PTM PRO series. The Hydro PTM Pro series features a wide array of wattages ranging from 650-watts to 1200-watt models. All of these models are designed for mid-range systems, up to workstation PC systems. These power supplies can cost anywhere from $164.99 for the 650-watt model to $269.99 for the largest 1200-watt model.

The new Hydro PTM Pro power supply series are built to last, even in harsher environments with relative humidity extreme of up to 95%. These power supplies feature an "Off-Wet" conformal coating. The inside these power supplies have the PCBs use a three-layer coating. These features protect the internal components from dust, stains, and the humidity of the environment.