I’d try this Ice Age PC that gets very good reviews, is well designed/constructed and cryo treated, and they offer free returns (less return shipping). And at $300 it’s well under your budget. Best of luck.
https://iceageaudio.com/ice-age-audio-store/ols/products/ofc-power-cable/v/OFC-PWR-CBL-5FT-LNG
Here’s a review FYI…
https://positive-feedback.com/audio-discourse/ice-age-audio/