How are new transformers powering data centers?

Data centres are driving investment in a modern replacement for traditional power transformers: solid-state units, which are being pitched as an upgrade on the hand-wound transformer technology dating back to the 1880s that still dominates most of the US power grid [1]. Reporting suggests this shift is happening because data centres' power demands make them the ideal early adopters for this newer approach, as conventional transformers are custom-built and harder to scale [1]. I don't have further detail on the technical workings beyond that.