What is the best graphics card my computer can handle?

here specs computer:
http://h20000.www2.hp.com/bizsupport/tec...

appears full-sized tower, standard height card fine... doesn't you'd limited low-profile cards.

however, don't know if hp's stock power supply provides dedicated 6-pin connector pci-express graphics cards. specs don't say, i'm guessing doesn't.

if psu doesn't provide dedicated 6-pin connector can't install cards geforce gtx 650 ti , radeon hd 7770. you'd limited radeon hd 7750 or geforce gtx 650, don't require external power connector. cards draw power pci-e x16 slot, , pull less 65 watts maximum.

http://www.newegg.com/product/product.as...
http://www.newegg.com/product/product.as...

between them gtx 650 better, either can play wow on ultra settings (although fps better on high settings)

here's low-profile ready version of hd 7750 work whether computer takes full-height or low-profile cards. attach appropriate bracket.

http://www.newegg.com/product/product.aspx?item=n82e16814161418

http://www.techpowerup.com/reviews/amd/catalyst_12.11_performance/20.html

i have hp xw6200 6gb ram , 500w psu, need decent (i think low profile) graphics card capable of running games such world of warcraft on full spec, i'd avoid upgrading power supply.

ideas?

Computers & Internet Hardware Add-ons Next