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NVMe SSDs are now mainstream in most datacenter applications.
But how about applications that require higher performance, lower latency, more flexibility, easier management, or more scalability?
For them, a variety of choices now exist. There are Ethernet SSDs, NVMe-oF SSDs, Optane SSDs, MRAM SSDs, zoned namespace (ZNS) SSDs, key-value SSDs, computational storage SSDs, and other variations.
How does the storage designer determine when his or her application requires something other than the standard device and which one would do the job best? Obvious use cases have emerged for some variations, while still others are currently a solution waiting for a really good problem!