I have a HP Compaq Elite Small form factor PC and I'm looking to upgrade my graphics card to a Msi Gtx 1050 Gddr5 2gb Pcie X16 Low Profile Displayport Hdmi Dvi-D (https://www.walmart.com/ip/Msi-Gtx-1050-Gddr5-2gb-Pcie-X16-Low-Profile-Displayport-Hdmi-Dvi-D/344643811?wmlspartner=wlpa&selectedSellerId=0&adid=22222222227068037666&wmlspartner=wmtlabs&wl0=&wl1=g&wl2=c&wl3=172817710059&wl4=pla-279143823791&wl5=9027425&wl6=&wl7=&wl8=&wl9=pla&wl10=8175035&wl11=online&wl12=344643811&wl13=&veh=sem) I need to know the dimensions of the expansion slot before I buy the graphics card. Please help, thanks.