http://www.amazon.com/XFX-8400GS-nVidia-Express-Graphics/dp/B000SAIQWQ
It will fit, no new power supply. And should support COD4 and 5.
The one from amazon is better, same thing but supports OpenGL 2.1:D
				
			It will fit, no new power supply. And should support COD4 and 5.
The one from amazon is better, same thing but supports OpenGL 2.1:D
			
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							My Computer
System One
- 
                
				 
	
			
				
- Manufacturer/Model
 - *Modified*Dell Inspiron 531s
 
- CPU
 - AMD Athlon 64 X2 2.3GHz
 
- Motherboard
 - Dell RY206 0RY206
 
- Memory
 - 4GB Corsair XMS2 PC2-6400 DDR2
 
- Graphics card(s)
 - XFX GeForce GTS 250
 
- Sound Card
 - Creative X-Fi XtremeGamer 5.1 Surround Sound
 
- Monitor(s) Displays
 - Dell SE198WFP 19-inch Widescreen Flat-panel LCD
 
- Screen Resolution
 - 1440x900
 
- Hard Drives
 - Seagate Barracuda 320GB 7200RPM
 
- PSU
 - LOGISYS 575W SLI Ready ATX12V
 
- Case
 - Cooler Master CM 690
 
- Cooling
 - 2 120mm, 4 vents optional fans
 
- Mouse
 - Microsoft Wireless Notebook Mouse 3000
 
- Keyboard
 - Dell Stock
 
- Internet Speed
 - 20 MB/s Down...2 MB/s Up
 
 
	
 But the memory clock on the 8400GS is significantly faster than the one you posted and again, supports the new version of OpenGL
