Close but no cigar
1. If it is to really do "multiple jobs per lifetime" it needs a DisplayPort or DVI. Both can be converted to HDMI if need be while driving "proper" displays too.
2. If it is to use peripheral airflow properly it need the plate on top of that fin array extended to the end to ensure that airflow goes where needed and goes out of the back. The way it is done at the moment airflow will skim across its top and not cool it properly so welcome to thermal throttle. There are probably even more clever options, but this one is bleeding obvious.
3. You get 30cfm at a PCIe slot in the "fan-always-on-full-blast" compute unit like the MSI 2U jobs people use for rendering. You do not necessarily get 30cfm in a "proper" multi-purpose server because the fans are PWM controlled and will throttle down to a fraction of their usual speed if needed. So a more clever heatsink and an optional controlled fan for it one can clip on are actually not such a bad idea.
Close, but no cigar.