power usage estimate

alien2eyes

Prominent
Dec 26, 2017
14
0
510
i need help estimating power usage for a computer so i can determine what gpu to get https://www.officedepot.com/a/products/321451/Lenovo-Ideacentre-300-Desktop-PC-Intel/
this is the computer
also include a mouse and key board

thanks before hand and also i know its a crappy 240 watt psu but i just want an estimate