Two things with NORDOST in my experience
(1) I upgraded to the FREY in their NORSE 2 model series and dumped the lower LEIF series models. Their upgraded models are a BIG STEP-UP in audio performance (... I’ve had both ....)
(2) I experimented with a lot of different major cable brand options. Eventually, I upgraded to a full all-FREY cable loom that produced that ethereal transparency, openness and “ quietness” (an ill-defined, subjective and biased descriptive term ) in a $30K 2-channel system.
Like with every other audio system, system synergy - including cables - is an experimentation hands-on trial and error bespoke journey down the Yellow Brick Road to audio OZ .... the full matched loom array bested the many contenders and pretenders at their price-point in MY system ( emphasis added).