Not scared of the flow-through cooler! The RTX 3090 FE fits in the SSUPD Meshlicious with room to spare : r/sffpc
Best CPU Coolers For Intel Core i7-7700K
CORSAIR Hydro Series H115i AIO Liquid CPU Cooler, 280mm Radiator, Dual 140mm SP Series PWM Fans, Advanced RGB Lighting and Fan Software Control
Best CPU Coolers For I7 7700k | Digital Advisor - YouTube
ARCTIC Liquid Freezer 360 - All-in-One CPU Cooler with Ultimate Performance for Intel and AMD Sockets, Recommended for TDP up to 300 Watts, Includes 6X F12 PWM PST Case Fans - Black