You should have switched earlier, I was looking for a good VPN with PayPal support for somebody last year, but good to know now, didn't know you couldn't torrent with TunnelBear.
A little lack of information here:
Did you check all cables are plugged in for GPU, CPU and Mainboard?
Did you overclock or tried to clock down your GPU?
Are your Drivers up-to-date?
The products from the video are not available in Germany. Just searched a bit for similar products and hope I can post links in the forum. On youtube I know that my comment will be hold back.
10 Port Ladestation: Avantree 100W 10 Ports (inkl. USB-C und QC3.0)
https://www.amazon.de/dp/B01MXOJV07/ref=cm_sw_r_tw_dp_x_-h12zbCVCMBG4
Magsafe USB-Kabel: FresKaro RF108 Mikro
https://www.amazon.de/dp/B072NB6QTF/ref=cm_sw_r_tw_dp_x_hl12zbZY7PP1K
SD-Karten Halter: bandc 2
https://www.amazon.de/dp/B06WD92R1R/ref=cm_sw_r_tw_dp_x_Gl12zb8F1KAS9