9500Gt + 火牛

依排想換9500Gt,但系我得230w既Dell火牛,要損換幾w?係廠機Dell Vostro 200,個火牛太大得唔得,比d價錢參考下(9500Gt火牛),Gtr火牛廢?換完的夠玩L4d?
L4d檢查話我換卡9500Gt Okay? 400w-500w+9500Gt幾錢?
CPU <<<<<Pass
Recommended: Intel Core 2 Duo 2.4 GHz
You Have: Intel(R) Core(TM)2 Duo CPU E7300 @ 2.66GHz

CPU Speed <<<<<Pass
Recommended: Intel Core 2 Duo 2.4 GHz
You Have: 2.66 GHz Performance Rated at: 4.788 GHz

RAM <<<<<Pass
Recommended: 1 GB for XP or 2GB for Vista/7
You Have: 2.0 GB

OS <<<<<Pass
Recommended: Windows® 7 / Vista / Vista64 / XP
You Have: Microsoft Windows XP Professional Service Pack 2 (build 2600)

Video Card <<<<<No Pass
Recommended: DirectX 9 compatible video card with Shader model 3.0. NVIDIA GeForce 7600, ATI Radeon X1600 or better
You Have: Intel(R) GMA 3100

Sound Card <<<<Pass
Recommended: Yes
You Have: Realtek High Definition Audio

Free Disk Space <<<<Pass
Recommended: At least 7.5 GB of free space
You Have: 263.8 GB