It was recommended by a reputable dealer that I can install an ASUS GeForce GTX 1050 Ti with a power rating of 300W into a Dell Inspiron 3668 Desktop with a power supply of 240W. The machine has a small cavity so the size of the video card is a factor. While I know much about computers, I am not a gamer but do photography and need a better video card. Unfortunately, I can't afford a computer upgrade at the moment. The dealer says that the power requirements of the card and computer should not a problem. Would you agree?