Go for the MX and I think i read some years ago (can't find references now) that MBP unibody will have a hard time detecting 3D NAND drives so you should go for regular NAND.
https://www.amazon.com/Crucial-CT500MX500SSD1T-500GB-MX500-2-5inch/dp/B07GRCVYS5/ref=sr\_1\_4?crid=3BBPEKN1E5UKU&keywords=mx500&qid=1687066040&sprefix=mx500%2Caps%2C225&sr=8-4