|   | 
            
            
             | 
            ACP-2000P3-00BE | 
            ACP-2000P4-00BE | 
        
        
            | Disk Drive Bay | 
            Slim ODD | 
            1 | 
            1 | 
            1 | 
        
        
            | 3.5" Front-Accessible | 
            2 | 
            2 | 
            2 | 
        
        
            | Cooling | 
            Fan | 
            2 (8 cm / 47 CFM each) | 
            2 (8 cm / 47 CFM each) | 
            2 (8 cm / 47 CFM each) | 
        
        
            | Air Filter | 
            Yes | 
            Yes | 
            Yes | 
        
        
            | Front I/O Interface | 
            USB | 
            2 | 
            2 | 
            2 | 
        
        
            | PS/2 | 
            1 | 
            1 | 
            1 | 
        
        
            | Miscellaneous | 
            LED Indicators | 
            Power, HDD, temperature, fan | 
            Power, HDD, temperature, fan | 
            Power, HDD, temperature, fan | 
        
        
            | Rear Panel | 
            One 9-pin D-Sub opening | 
            One 9-pin D-Sub opening | 
            One 9-pin D-Sub opening | 
        
        
            | Intelligent System Module | 
            Remote Monitoring | 
            CPU/System fan speed , CPU/System temperature , motherboard voltage | 
            CPU/System fan speed , CPU/System temperature , motherboard voltage | 
            CPU/System fan speed , CPU/System temperature , motherboard voltage | 
        
        
            | Environment | 
            Operational Temperature | 
            0 ~ 40° C (32 ~ 104° F) | 
            0 ~ 40° C (32 ~ 104° F) | 
            0 ~ 40° C (32 ~ 104° F) | 
        
        
            | Non-Operational Temperature | 
            -20 ~ 60° C (-4 ~ 140° F) | 
            -20 ~ 60° C (-4 ~ 140° F) | 
            -20 ~ 60° C (-4 ~ 140° F) | 
        
        
            | Operating Humidity | 
            10 ~ 85% @ 40° C, non-condensing | 
            10 ~ 85% @ 40° C, non-condensing | 
            10 ~ 85% @ 40° C, non-condensing | 
        
        
            | Non-Operating Humidity | 
            10 ~ 95% @ 40° C, non-condensing | 
            10 ~ 95% @ 40° C, non-condensing | 
            10 ~ 95% @ 40° C, non-condensing | 
        
        
            | Operating Vibration | 
            0.5 Grms | 
            0.5 Grms | 
            0.5 Grms | 
        
        
            | Non-Operating Vibration | 
            2 G | 
            2 G | 
            2 G | 
        
        
            | Operating Shock | 
            10G, half sine wave, 11 ms duration | 
            10G, half sine wave, 11 ms duration | 
            10G, half sine wave, 11 ms duration | 
        
        
            | Non-Operating Shock | 
            30 G | 
            30 G | 
            30 G | 
        
        
            | Physical Characteristics | 
            Dimensions (W x H x D) | 
            482 x 88 x 451 mm (19'' x 3.5'' x 17.8'') | 
            482 x 88 x 451 mm (19'' x 3.5'' x 17.8'') | 
            482 x 88 x 451 mm (19'' x 3.5'' x 17.8'') | 
        
        
            | Weight | 
            11.5 kg (25.3 lb) | 
            11.5 kg (25.3 lb) | 
            11.5 kg (25.3 lb)  |