I have the Dell Inspiron 660 and I need to upgrade it's stock graphics card. Please keep in mind that I have never done anything like this before. I have a tight budget but I have already found a graphics card that suits my need. Unfortunately, the graphics card (GeForce GTX 750 ti) requires a 6-pin PCI express connector and my pc doesn't have one. Is there an adapter I can buy or do I need to upgrade my psu? Thank you.
Computer Specs
http://downloads.dell.com/Manuals/all-products/esuprt_desktop/esuprt_inspiron_desktop/inspiron-660_Reference%20Guide_en-us.pdf
Graphics card
http://www.newegg.com/Product/Product.aspx?Item=N82E16814487028&cm_re=evga_gtx_750_ti-_-14-487-028-_-Product
Computer Specs
http://downloads.dell.com/Manuals/all-products/esuprt_desktop/esuprt_inspiron_desktop/inspiron-660_Reference%20Guide_en-us.pdf
Graphics card
http://www.newegg.com/Product/Product.aspx?Item=N82E16814487028&cm_re=evga_gtx_750_ti-_-14-487-028-_-Product