the front hdds fans ready to unplug the power wires, allowing the inner fan mount to be pulled, accessing to the 12 HDDs.
there is enough room to run fan a wire from the 2 bottom fans to the 2 top fans with no metal cutting.
three 120 Noctuas as exhaust,all 3 external mounted.
the single 140 CPU fan runs this other 3,same 3 splitter setup.
the 850 seasonic PSU is spaced 1" out, to add space to power plugs inside.
the botton fans unplug with 1 plug, to access to the 4...
four 140 Noctua intakes.
the bottom 2 are removable, the bottom still requires a plate to block the holes, and mount the USB sockets.
the stock start button remains in the center.
all 4 intakes are plugged to one motherboard fan outport, using 3...