| Compare | Picture | Product | Features |  | 
        
        
          |  |   | USB2831 | 250KS/s 12-bit 16 channels analog input, 12-bit 4 channels analog output, 16 channels digital input/output |  | 
        
        
          |  |   | USB2850 | 500KS/s 16-bit 64 channels analog input,12-bit 8 channels analog output, 16 channels digital input/output |  | 
        
        
          |  |   | USB2833 | 500KS/s 12-bit 16 channels analog input, 4 channels analog output, 8 channels digital input/output |  | 
        
        
          |  |   | USB2088/A | 4 simultaneous analog inputs, up to 400KS/s sampling rate, 14-bit resolution |  | 
        
        
          |  |   | USB2817 | 250KS/s 16-bit 16 channels analog input, 12-bit 4 channels analog output, 16 channels digital input/output, 3 channels counter/timer |  | 
        
        
          |  |   | USB2089/A | 400KS/s 14-bit 16-ch analog inputs, with DA and DIO |  | 
        
        
          |  |   | USB5953 | 250KS/s 16-bit 14 channels analog input, 12-bit 4 channels analog output, 6 channels digital input/output |  | 
        
        
          |  |   | USB2852 | 250KS/s 16-bit 32 channels analog input,16 channels digital input/output |  | 
        
        
          |  |   | USB2851 | 500KS/s 16-bit 64 channels analog input,12-bit 8 channels analog output, 16 channels digital input/output |  | 
        
        
          |  |   | USB2815 | 250KS/s 16-bit 16 channels analog input, 12-bit 4 channels analog output, 8 channels digital input/output, counter/timer |  | 
        
        
          |  |   | USB2812 | 250KS/s 12-bit 16 channels analog input, 12-bit 4 channels analog output, 16 channels digital input/output, 3 channels counter/timer |  | 
        
        
          |  |   | USB2811 | 250KS/s 16-bit 16 channels analog input, 12-bit 4 channels analog output, 16 channels digital input/output, counter/timer |  | 
        
        
          |  |   | USB2808 | 250KS/s 16-bit 32 channels analog input |  | 
        
        
          |  |   | USB2805 | 250KS/s 16-bit 64 channels analog input, 12-bit 8 channels analog output, 16 channels digital input/output |  | 
        
        
          |  |   | USB5831 | 250KS/s 12-bit 16 channels analog input, with DA and DIO |  |