As of 8/18/2016 Nutanix (as far as I know), Nutanix started selling its platform (Acropolis Hypervisor and Prism Software) on Cisco UCS C-series servers. Nutanix now supports the following UCS  servers —

• C220-M4S
• C240-M4L
• C240-M4SX

Looks like the Nutanix Software bundle comes in Acropolis Pro and Ultimate Editions.

More info to follow ….

Reference: Nutanix Website