Should also be more reliable in long run too since both are TLC

You do have a point, the SSD is known to have very slow cache that Toms and others have reported dipping the sequential to 0MB/s

One could possibly get something like TeamGroup MP44L or SN580

Clever.

At least it’s either optional or can use 3rd party app (Heroic for example)

Direct Rendering Manager. Part of Linux kernel to communicate with GPUs.