Newegg via eBay + the 20% off PSPRING20 coupon code
I know this drive has been posted multiple times but this is the lowest price thus far. Beats the $36 Silicon Power 120GB SATA III m.2 drive posted a few days ago, which I also think is a DRAM-less SSD and of course slower.
A certain cashback site has 4% CB on eBay electronics today. If I posted the URL it says "urlisblocked"