The sun will be eclipsed by earth many times per day, requiring you to either shift all workloads or add substantial UPS weight. The radiator grid you need to cool 125kw is something like 16x the size of the entire data center.
I watched this video last week that went into 3 different scenarios, it's a good watch.
By the way, the same channel also has a sobering video on commercial space stations. https://youtube.com/watch?v=2G60Y3ydtqY