Lightroom since v5 is bloated shite however much memory you have.
The free alternatives are slowly improving - none of them are good enough yet, but hoping it wont be too long before they're viable.
An m.2?
I considered one of those but the connector being underneath the motherboard was too much faff so I got a regular 2.5" SATA. Just realised I'm not sure if there's anything in the case to mount it though, probably need a 3.5" bracket. Arse.
So, no brackets, tape, nor dangling necessary. :)