macOS spoiled me.
Not sure what did there but it could either be profitable or annoying for you.
I can wait for the Pete the Irish Pilot’s take though.
It was genuinely like pulling teeth. They demanded I ship the drive at my own expense from the UK to Germany and they didn't send a replacement for 3 weeks after it arrived at their warehouse. I had to buy another drive to repair my RAID cluster while waiting. Absolutely outrageous customer support.
Syno have always been a software company first, a hardware company second, and a storage media company last. It makes sense to try and control the full vertical, but they just don’t have enough clout to compete against the big enterprise companies.
I honestly believe the disk whitelisting thing was part of an attempt to overvalue the company in preparation for a sale.
You can either forego NVMe slots (which looks like an add-on card on [0]) and get the slot, or use one of the USB4 interfaces. OTOH, it has 2x10GbE on board, you can just media-convert it.