Quotealthough there is also a 2TB variant which apparently upgrades to DRAM instead.
Wow, that is a massive misreading - or does the author not know the function of DRAM in an SSD? Their Kickstarter does present it in an odd way, but I would expect a minimum of technical knowledge from a news writer covering this for a serious tech site like NBC. It is used for caching infrastructure data letting the SSD work faster through not having to read and write this to/from flash. Most SSDs have a DRAM buffer, but not low-end ones. All they are saying is that the 512GB and 1TB SKUs are based on DRAMless SSD designs, i.e. quite low end designs.
2TB of DRAM would cost tens of thousands of dollars and would need 12-16 tightly packed DIMMs like in a high end server. It definitely wouldn't fit in something like this. Also, DRAM is volatile, erasing all contents on power loss, so... not exactly ideal for portable storage, eh?