Tridium has created an all-new hardware platform optimized for Niagara 4: the JACE 8000 controller. This next-generation controller features a global design that functions with legacy systems and has the ability to scale for future needs. The JACE 8000 controller offers native Wi-Fi, tool-less and modular design and enhanced speed. 

You can find more information on the controller here: http://www.tridium.com/en/products-services/niagara4#JACE8000