For that new list I would change gpu to something there then a armor card or blower, ditch the a400 since it slows down alot, and psu
SSD: team l5 3d 240gb or 120gb
GPU: 580,1660, or Vega 56 or rtx 2060, note a Vega 56 is around the same speed as the 2060.
Psu: cx or cxm 550w or 650w for Vega 56
How is that monitor working for ya.