I doubt that it's enough to care about. The hardware is specialized and the needs are different from normal servers. Bitcoin miners care almost exclusively abou

I doubt that it's enough to care about. The hardware is specialized and the needs are different from normal servers. Bitcoin miners care almost exclusively about cheap electricity, not uptime or latency or bandwidth or interconnect. Some Bitcoin-related stuff is running in datacenters, no doubt, but it's a rounding error compared to the rest.