Managing cloud resources requires a more nuanced view of data operations than is needed for traditional IT infrastructure.
Power efficiency is a worthy goal, but what is true elsewhere in the data center will likely be true in memory: Efficiency will almost always take a back seat to performance.
While blockchain has been shown to be useful in apps far beyond cryptocurrency, there is still a lot of uncertainty about integrating it into legacy enterprise processes and new functions surfacing in the IoT and other advanced architectures.
While many enterprises will no doubt strive to build their own GPU architectures, deployment will most likely be faster on the cloud.
Rather than deploying containers to achieve a devops model, perhaps it would be wiser to improve the devops model to accommodate containers.