3D Xpoint is a new non-volatile memory technology that has much lower latency and much higher endurance than NAND Flash. Optane is Intel’s trade-name for SSDs using 3D Xpoint as their storage media.
VAST Universal StorageUniversal Storage is a single storage system that is fast enough for primary storage, scalable enough for huge datasets and affordable enough to use for the full range of a customers data, thus eliminating the tyranny of tiers. More Systems use Optane SSDs to store system and element store metadata as well as as a write buffer.