I have an HP slimline s5-1554 and the graphics card is terrible and dont know if any other graphics card would fit my specs are https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&ved=0CCsQFjAA&url=http%3A%2F%2Fh20566.www2.hp.com%2Fportal%2Fsite%2Fhpsc%2Ftemplate.PAGE%2Fpublic%2Fkb%2FdocDisplay%2F%3Fsp4ts.oid%3D5330780%26spf_p.tpst%3DkbDocDisplay%26spf_p.prp_kbDocDisplay%3Dwsrp-navigationalState%253DdocId%25253Demr_na-c03687851-7%25257CdocLocale%25253D%25257CcalledBy%25253D%26javax.portlet.begCacheTok%3Dcom.vignette.cachetoken%26javax.portlet.endCacheTok%3Dcom.vignette.cachetoken&ei=2j-IUtDYGefR2wWan4DgCA&usg=AFQjCNGTYjPZ9NEm_KFiAbLL00FcX7Iqxg&bvm=bv.56643336,d.b2I