| 
                 Model  | 
                
                 DP-403UA  | 
            
| 
                 RAID Processor  | 
                
                 400MHz storage I/O processor  | 
            
| 
                 RAID Level  | 
                
                 0, 1, 0+1, 3, 5 and JBOD  | 
            
| 
                 Memory  | 
                
                 128M  | 
            
| 
                 No. of channels (host + drive)  | 
                
                 2 + 4  | 
            
| 
                 Host bus interface  | 
                
                 USB 2.0 / eSATA  | 
            
| 
                 Drive bus interface  | 
                
                 SATAII (Up to 3.0Gbps)  | 
            
| 
                 Data transfer rate  | 
                
                 Up to 480Mbits (USB 2.0) / Up to 3.0Gbps (SATA II)  | 
            
| 
                 Hot-swap drive trays  | 
                
                 4  | 
            
| 
                 Cooling fans  | 
                
                 1  | 
            
| 
                 Data Encryption  | 
                
                 Yes  | 
            
| 
                 Failed drive indicators  | 
                
                 Yes  | 
            
| 
                 Failed drive auto rebuild  | 
                
                 Yes  | 
            
| 
                 Environment monitor  | 
                
                 Yes  | 
            
| 
                 Array Roaming  | 
                
                 Yes  | 
            
| 
                 Online transit of RAID Level  | 
                
                 Yes  | 
            
| 
                 Over 2TB support  | 
                
                 Yes  | 
            
| 
                 Auto spare support  | 
                
                 Yes  | 
            
| 
                 MAID  | 
                
                 Yes  | 
            
| 
                 Remote Management  | 
                
                 Yes  | 
            
| 
                 2TB Support  | 
                
                 Windows OS which GPT supported (Windows XP/x64, 2003/SP1 or 64-bit,   Vista, 2008) Mac OS 10 or later, Linux kernel 2.6 or later  | 
            
| 
                 Relative Humidity  | 
                
                 20% ~ 85% Non-condensing  | 
            
| 
                 Operating Temp:  | 
                
                 10°C ~ 40°C (50°F ~ 104°F)  | 
            
| 
                 Power supply  | 
                
                 180W PFC  | 
            
| 
                 Physical Dimensions  | 
                
                 226(H) x 149(W) x 322(D)mm  | 
            
| 
                 Weight  | 
                
                 8Kg (without HDD)  |