Really need some help

hi i have a



dell inspiron 545 mini tower i think it is
ati radeon hd 4350
550 gb hd

dimesnions of my case are

width 6.9 inches
depth 17.4 inches
height 14.8 inches

bascially i want to know if this ati radeon hd 4670 iceq version 1gb will fit in my case here the link


http://www.newegg.com/Product/Product.aspx?Item=N82E168... the link to my card i want

i be tryin to get answer for this all day but i didnt know the dimension to my machine early so i am hoping that this will help and i thinki found the dimensions

this the site were i found the dimension i aint good at math so i dont know if it will fit i dont think it will but not sure
http://www.hisdigital.com/un/product2-66.shtml