HP p7 1254 gpu upgrade

[D_Angel731]

So i want to upgrade my hp's gpu but not sure if the gpu i want to get is compatible with the sapphire radeon R9 290. This is the computer i have:
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&docname=c03135882&jumpid=ba_r329_hhoaffiliate&aid=38293&pbid=je6NUbpObpQ&aoid=35252&siteid=je6NUbpObpQ-pb2gsphe4Fl3pK5wGYNUfQ

And this is the gpu i want to upgrade to:
http://www.amazon.com/gp/product/B00HJOXUKC/ref=s9_dcbhz_bw_g147_i2_sh?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=merchandised-search-5&pf_rd_r=1RYR0107S0ZKZP4QYGZP&pf_rd_t=101&pf_rd_p=1737619982&pf_rd_i=7586091011

Plz if anyone can help

 

[ThatVietGuy]

If it still has the original 300W PSU there's no way you can run the R9 290 without upgrading to at least a 650W PSU.