It's great if you want to start out with an inexpensive server but it is harder to scale with 1u servers. You can't fill a whole rack with them because of the

It's great if you want to start out with an inexpensive server but it is harder to scale with 1u servers. You can't fill a whole rack with them because of the electricity requirements, there are more servers to fail, more servers to keep updated, just a real pain in the hind end.