While you may have enough room, many dell cases are ridiculously poorly ventilated, so require some modification/extra case fans to keep good hardware cool. I't very possible that it may turn out easier to buy a new case as well, especially if you intend to overclock.
OS: Windows 10 64 bit Professional
CPU: AMD Ryzen 5900X
RAM: 16GB
GPU: Radeon Vega 56
CPU: AMD Ryzen 5900X
RAM: 16GB
GPU: Radeon Vega 56
