Pour 800 euros environ comme les deux configs au-dessus:
https://www.amazon.de/AMD-YD2600BBAFBOX-Prozessor-RYZEN5-Socket/dp/B07B41WS48/ref=sr_1_1?s=computers&ie=UTF8&qid=1547710755&sr=1-1&keywords=ryzen+2600 (160)
https://www.amazon.de/ASRock-m-ATX-D-Sub-HDMI-Retail/dp/B07FVYKFXF/ref=sr_1_4?s=computers&ie=UTF8&qid=1547710851&sr=1-4&keywords=b450 (77, ou la version atx pour 6-7 euros de +)
https://www.amazon.de/Skill-3000-C16s-8gisb-RAM-DDR3-GB/dp/B01HFR9TPC/ref=sr_1_1?s=computers&ie=UTF8&qid=1547710913&sr=1-1&keywords=8gb+ddr4+3000 (52 x2)
ou
https://www.amazon.de/Corsair-Vengeance-3000MHz-Performance-Arbeitsspeicher/dp/B07B2Y1N8B/ref=sr_1_2?s=computers&ie=UTF8&qid=1547710893&sr=1-2&keywords=16gb+ddr4+3000 (108, si les premières ne sont plus dispos)
https://www.cdiscount.com/informatique/ssd/pny-disque-dur-ssd-cs900-ssd7cs900-240-pb-2-5/f-10703-ssd7cs900240pb.html?awc=6948_1547710152_e2bf0d4daf5355f922eb7a7eded1032a&refer=zanoxpb&cid=affil&cm_mmc=zanoxpb-_-169249 (30)
https://www.cdiscount.com/informatique/disques-durs-internes/disque-dur-interne-hdd-western-digital-1-to-100/f-10768-wd10ezex.html?refer=zanoxpb&cid=affil&cm_mmc=zanoxpb-_-295295&awc=6948_1547711080_c541507cc0e3c8dfc391a7571ff6a951 (41)
https://www.topachat.com/pages/detail2_cat_est_micro_puis_rubrique_est_wgfx_pcie_puis_ref_est_in10116238.html (300)
https://www.cdiscount.com/informatique/boitiers-pc-alimentations/lepa-boitier-pc-lpc502-moyen-tour-usb-3-0-fe/f-10766-lpc502bbl.html#mpos=1|cd (40)
https://www.cdiscount.com/informatique/alimentation-pc/enermax-alimentation-revolution-duo-700w-80plu/f-10775-erd700awlf.html#mpos=1|cd (58)
810-815 euros ça dépasse légèrement mais ça vaut le coup, c'est nettement plus optimisé