The X3D is a gaming chip; the 9950X is a workstation chip. 16 cores at 170 W TDP is the right answer for video encode, code compile, and any workload that scales with thread count. The Define 7 keeps it quiet under sustained loads, and the U2723QE's USB-C hub turns the monitor into a one-cable laptop dock when you need it. Skip the AIO: the NH-D15 G2 handles 170 W silently and never leaks.