By the looks of it, the Prime TX-1600 Noctua Edition should be more than enough to tame the upcoming Nvidia RTX 50-series GPUs. As per Noctua, the suggested retail price is $569 and €499 ...

From a technical standpoint, the Noctua Edition PSU offers a well-organized ... with high-end graphics cards such as the NVIDIA GeForce RTX 4090 or the forthcoming RTX 5090.

The dimensions of the Prime TX-1600 Noctua Edition are the same as the standard Prime TX-1600, measuring 210x150x86mm, which allows it to fit into various PC cases.