Baseline, the answer lies more in software and software implementation across entire digital system than in years previous. Where hardware and software NAS installations both are concerned is support for legacy drives and routines. Some importance lies in determining if the internals are built using aging platform with revised box around them or whether a newer design was co-opted and refined from commercial applications. Technically supports x flavor of SSD or technically supports newer higher capacity HDD could be impactful.
Again speaking very generally, digital audio has shown signs of better performance through lower activity levels that come from taking full control over internal programming. Not an easily accomplished task across numerous devices running proprietary hard coded firmware. NAS can also be finicky about system memory upgrades (RAM) or other changes beyond their broader utilitarian scope.
tl;dr: Research NAS model architecture, ask respective audio manufacturers of hardware in your system for suggestions, take care where you purchase your drives from.
I can speak to the environmental improvement, that being SSDs are dead quiet. I have a Synology DS1515+ with five 4Tb Samsung drives that replaced from IronWolf drives. Those old IronWolf drives were annoyingly noisy.