Another milestone in the life of NVM Express over Fabrics (NVMe-oF) technology has occurred. NetApp has become the first large enterprise external storage system vendor to support NVMe-oF. Late last month they announced their new E-5700 hybrid storage array and EF-570 all-flash array. Both feature front side NVMe-oF connections to clients. Only four months have passed since I wrote about the last NVMe-oF milestone (first UNH NVMe-oF interoperability plugfest), a successful multi-vendor interoperability test at the University of New Hampshire InterOperability Laboratory (UNH-IOL). It is not unusual for a new technology’s milestones to cluster closer together as its evolution to mainstream nears completion and accelerates. Large enterprise storage vendor support is extremely important for a new technology because it signals to main stream data centers that it is becoming mature and less risky to try out and deploy. It also stokes the competitive fires with the other enterprise storage vendors, creating a domino effect of initial support, then expanding features, and innovation.