Good graphic card for dg41 motherboard power supply 400w

[ashish_15]

intel core 2 quad
DG41 mother board
8M Cache, 2.40 GHz
4 gb ram
MSI nVidia GT 9500

my graphic card is not working so i want another one...but GT 9500 is not available
so which graphic card should i buy....(remember i am running Mac on this configuration so i want a graphic card which run properly. My main work is video editing and VfX)

 

[Cromat88]

This ATI 7750 should get the job done http://www.newegg.com/Product/Product.aspx?Item=N82E16814127665

 

[ashish_15]

Asus NVIDIA GeForce EN210 1 GB DDR3 Graphics Card
is this will work?