SATA and eSATA Performance
Website: HD Tach 3.0
We used a Western Digital RaptorX 150GB and HDTach 3.0.1.0, with the 8MB Zone Test to record the average read performance.
  
    
    
      - 
        MSI P45 Platinum
      
 
      - 
        Gigabyte GA-EP45-DQ6
      
 
      - 
        Asus P5Q Deluxe
      
 
      - 
        Gigabyte GA-X48T-DQ6
      
 
      - 
        Abit IX38 QuadGT
      
 
      - 
        Gigabyte GA-EP35-DS4
      
 
      - 
        MSI P35 Diamond
      
 
    
    
      
      
        
          0
        
        
          10
        
        
          20
        
        
          30
        
        
          40
        
        
          50
        
        
          60
        
        
          70
        
        
          80
        
        
          90
        
       
     
    MB/s (higher is better)
    
   
 
SATA speeds are consistent, but for once the eSATA speed dropped 0.2MB/s. That's not exactly noticeable, but it was a consistent result that shows the JMicron controller isn't 
quite as good as the others tested.
USB 2.0 Performance
Website: HD Tach 3.0
We used a Western Digital RaptorX 150GB connected to a USB to SATA adapter and HDTach 3.0.1.0, with the 8MB Zone Test to record the average read performance.
  
    
    
      - 
        MSI P45 Platinum
      
 
      - 
        Gigabyte GA-X48T-DQ6
      
 
      - 
        Asus P5Q Deluxe
      
 
      - 
        Gigabyte GA-EP45-DQ6
      
 
      - 
        Gigabyte GA-EP35-DS4
      
 
      - 
        MSI P35 Diamond
      
 
      - 
        Abit IX38 QuadGT
      
 
    
    
      
        - 
          
            34.7
          
         
        - 
          
            34.6
          
         
        - 
          
            34.6
          
         
        - 
          
            34.6
          
         
        - 
          
            34.6
          
         
        - 
          
            34.6
          
         
        - 
          
            34.3
          
         
      
      
     
    MB/s (higher is better)
   
 
USB 2.0 performance was a consistent 0.1MB/s ahead of everything else on the other hand.
    
 
    
    
        
            
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