请问9550开关特效能玩细胞分裂4吗?

理论上是不行。ATI的显卡X1XXX以上的才支持Shader 3.0，9550不能满足最低要求，CPU与内存也偏低。使命召唤4的要求没有细胞分裂4高。

细胞分裂4

配置要求
Supported OS: Windows XP (only)
Processor: 3 Ghz Pentium 4 or AMD Athlon? 3000 (3.5 Ghz Pentium 4 or Athlon 3500 recommended). Game optimized for Dual-processor-enabled computers.
RAM: 1 GB
Video Card: DirectX 9.0c-compliant, Shader 3.0-enabled 128 MB video card (256 MB recommended) (see supported list*)
Sound Card: DirectX 9.0c-compatible (EAX" recommended) - PC audio solution containing Dolby? Digital Live required for Dolby Digital audio.
DirectX Version: 9.0c or higher (9.0c included on disc)
DVD-ROM: 4x DVD-ROM or faster
Hard Drive Space: 8 GB
Peripherals Supported: Mouse, keyboard
Multiplay: Broadband connection with 128 kbps upstream or faster

*发布时支持的显卡

ATI® X1600/X1800/X1900 NVidia® 6600 /6800/7300/7600/7800/7900