Intel Optane Memory
Intel Optane Memory is a data caching technology that bridges DRAM and the big storage spaces of the hard disks in your computer system. Caching the crucial bits of data and storing them in faster SSD's is a solution already being used in hybrid hard disks. Intel's solution requires 7th generation Intel processors and motherboards that are compatible. Initial benchmarks places it in the same level as NVMe. Intel's website claims a 28% increase in speed overall.