How to install a Graphics Card in a Rack Server with external power supply?

How to install a Graphics card, (gpu), I a 1U server and connect an external Power Supply (PSU).
0:29 Three different Graphics Cards
0:50 Why the Dell Poweredge r610 1RU Server?
1:14 Current Mods and upgrades
1:35 Dell Fan Noise Control
/ dell_fan_noise_control...
1:54 PCIe slot and graphics card limitations
3:06 GT 730 4GB DDR5 install (25 watts)
4:10 GTX 1650 Super Windforce OC 4GB install (135 watts)
8:23 RTX 2060 KO install (160 watts)
10:10 Scores and Test Results vs AMD
Ram Disk Drive Software Speed Benchmark Video
• RAM DRIVE DISK SPEED B...
Parts:
PowerEdger610 www.amazon.com...
6 Pin PCIe Extension www.amazon.com...
6 pin PCIe 180 Adapter www.amazon.com...
Samsung 860 EVO 500GB www.amazon.com...
GTX 1650 SUPER OC 4G www.newegg.com...
x5680 CPU x2 www.aliexpress...
G1TJH Heatsync www.aliexpress...
PCIe to USB 3.1 Gen 2 www.amazon.com...
PCIE 8X to 16X Riser Extender Cable with Molex and Solid Capacitor www.moddiy.com...
Molex Cable www.amazon.com...
Power Supply Adapter www.amazon.com...
Inspired by Dawid Does Tech Stuff
/ @dawiddoestechstuff