Hier mal ein gutes Bundle von Amazon :)
PC
https://www.amazon.de/Megaport-GeForce-Festplatte-Windows-Computer/dp/B01MR6ZELD/ref=as_li_ss_tl?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&dchild=1&keywords=gaming+pc&qid=1591958655&s=computers&sr=1-10&linkCode=ll1&tag=hopfsystems-21&linkId=827a2a9ee8639aceb6c6fc6fb10fe679&language=de_DE
Monitor
https://www.amazon.de/G-MASTER-GB2760HSU-B1-DisplayPort-Reaktionszeit-H%C3%B6henverstellung/dp/B07J37NY8X/ref=as_li_ss_tl?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&crid=1119GACR67ATO&dchild=1&keywords=gaming+monitor+wqhd+144hz&qid=1591958769&refinements=p_36:20000-25000,p_72:419117031&rnid=419116031&s=computers&sprefix=gaming+monitor+wqhd,computers,201&sr=1-1&linkCode=ll1&tag=hopfsystems-21&linkId=738a4aabb163750639dc289308f719b7&language=de_DE