Best graphics card for small form factor pc for gaming

[h@lf]

Any advise?

 

[h@lf]

Hp small form factor pc

 

[h@lf]

http://h10010.www1.hp.com/wwpc/us/en/sm/WF05a/12454-12454-64287-321860-3328898-5037931.html?dnr=1

This need to be low profile card