I'm not sure on the exact details, but I believe those are full nodes. I believe there are also light nodes that are only a few gb in size when you sync them (e

I'm not sure on the exact details, but I believe those are full nodes. I believe there are also light nodes that are only a few gb in size when you sync them (e.g. a lot of the historical less relevant data is truncated). I'm assuming those full nodes will eventually be intended to be run in data centers.