|   | 
            
            
             | 
            ACP-4020MB-00XE | 
        
        
            | Disk Drive Bay | 
            Slim ODD | 
            1 | 
            1 | 
        
        
            | Drive Bay | 
            3.5 External Bay | 
            2 | 
            2 | 
        
        
            | 3.5 Internal Bay | 
            - | 
            - | 
        
        
            | Disk Drive Bay | 
            2.5" Internal | 
            1 | 
            1 | 
        
        
            | Cooling | 
            System Fan | 
            2 (9 cm / 53 CFM) | 
            2 (9 cm / 53 CFM) | 
        
        
            | Air Filter | 
            Yes | 
            Yes | 
        
        
            | Front I/O Interface | 
            USB3.0 | 
            2 | 
            2 | 
        
        
            | Miscellaneous | 
            LED Indicators | 
            Power, HDD, temperature, fan, LAN1, and LAN2 | 
            Power, HDD, temperature, fan, LAN1, and LAN2 | 
        
        
            | Rear Panel | 
            One 9-pin D-Sub opening | 
            Five 9-pin D-Sub & one 68-pin SCSI openings | 
        
        
            | Intelligent System Module | 
            Remote Monitoring | 
            CPU/System fan speed , CPU/System temperature , motherboard voltage | 
            CPU/System fan speed , CPU/System temperature , motherboard voltage | 
        
        
            | 
            
             | 
            Operational Temperature | 
            0 ~ 40° C (32 ~ 104° F) | 
            0 ~ 40° C (32 ~ 104° F) | 
        
        
            | Non-Operational Temperature | 
            -40 ~ 70° C (-40 ~ 156° F) | 
            -40 ~ 70° C (-40 ~ 156° F) | 
        
        
            | Operating Humidity | 
            10 ~ 85% @ 40° C, non-condensing | 
            10 ~ 85% @ 40° C, non-condensing | 
        
        
            | Non-Operating Humidity | 
            10 ~ 95% @ 60° C, non-condensing | 
            10 ~ 95% @ 60° C, non-condensing | 
        
        
            | Operating Vibration (5 ~ 500 Hz) | 
            1 Grms | 
            1 Grms | 
        
        
            | Non-Operating Vibration (5 ~ 500 Hz) | 
            2 G | 
            2 G | 
        
        
            | Operating Shock | 
            10 G (with 11 ms duration, half sine wave) | 
            10 G (with 11 ms duration, half sine wave) | 
        
        
            | 
            
             | 
            30 G | 
            30 G | 
        
        
            | Physical Characteristics | 
            Dimensions (W x H x D) | 
            482 x 177 x 348 mm (19'' x 7.0'' x 13.7'') | 
            482 x 177 x 348 mm (19'' x 7.0'' x 13.7'') | 
        
        
            | Weight | 
            8.5 kg (18.7 lb) | 
            8.5 kg (18.7 lb)  |