What hyperconverged infrastructure can do for SMBs

Thorough IT infrastructure builds tend to be cost-prohibitive and consequently, difficult to justify for many businesses. Hyperconvergence is a great alternative to traditional IT builds, both in terms of cost and robustness.
What are hyperconverged infrastructures?
In a traditional IT environment, networking, server, and storage hardware need to be purchased separately and configured to work together as a cohesive system.