Nutanix Hyper-Converged Infrastructure brings together the power of compute, storage and networking in just one node.
There might be situation where you’ll get queries in regard to mixing different components in NX- Hardware
For example
Are there any NIC restrictions?
Are there any Storage restrictions?
Can I have a hybrid SSD/HDD node and all-SSD node in the same cluster?
Are there any restrictions related to the DIMM model and placement?
What all hypervisors are supported with different Hardware models?
If the above-mentioned questions are baffling you, the following product document can help you clarify the doubts and give more information regarding product mixing restrictions