I have never changed a component in my powermac since i have it... but now the slowness of transfering files is really annoying me. What card would i have to buy for it? i am not so expert on these things. 
I am attaching a picture with the specifications of my mac, thanks in advance.
	
		
			
		
		
	
				
			I am attaching a picture with the specifications of my mac, thanks in advance.
 
 
		 
			 
 
		 
 
		 
	 
 
		 
			 
 
		 
 
		 
 
		 
 
		 
 
		