| Model(s) | 
        HUS724040ALE640 HUS724030ALE640 HUS724020ALE640  | 
          | 
          | 
      
      
        | Interface | 
        SATA 6Gb/s  | 
          | 
          | 
      
      
        | Capacity (GB) | 
        4TB / 3TB / 2TB  | 
          | 
          | 
      
      
        | Sector size (variable, Bytes/sector) | 
        512e  | 
          | 
          | 
      
      
        | Max areal density (Gbits/sq. in.) | 
        446  | 
          | 
          | 
      
      
        | Performance | 
      
      
        | Data buffer (MB) | 
        64  | 
          | 
          | 
      
      
        | Rotational Speed (RPM) | 
        7200  | 
          | 
          | 
      
      
        | Interface transfer rate (MB/sec, max) | 
        600  | 
          | 
          | 
      
      
        | Sustained transfer rate (MB/sec, typ.) | 
        171  | 
          | 
          | 
      
      
        | Seek Time (read, ms, typical) | 
        8.0  | 
          | 
          | 
      
      
        | Reliability | 
      
      
        | Error Rate (non-recoverable, bits read) | 
        1 in 1015  | 
          | 
          | 
      
      
        | MTBF (M hours) | 
        2.0  | 
          | 
          | 
      
      
        | Load/Unload Cycles | 
        600,000  | 
          | 
          | 
      
      
        | Availability (hrs/day x days/wk) | 
        24x7  | 
          | 
          | 
      
      
        | Acoustics | 
      
      
        | Idle (Bels) | 
        2.9  | 
          | 
          | 
      
      
        | Power | 
      
      
        | Requirement | 
        +5 VDC(+/-5%) +12 VDC (+10%/-8%)  | 
          | 
          | 
      
      
        | Requirement: Start-up (W, peak, max) | 
        1.2 (+5V), 2.0 (+12V)  | 
          | 
          | 
      
      
        | Requirement: Read/Write (W, avg) | 
        11.4  | 
          | 
          | 
      
      
        | Unload idle (W) | 
        5.7  | 
          | 
          | 
      
      
        | Physical size | 
      
      
        | Z-height (mm) | 
        26  | 
          | 
          | 
      
      
        | Dimensions (width x depth, mm) | 
        101.6 (+/-0.25) x 147  | 
          | 
          | 
      
      
        | Weight (g, max) | 
        690  | 
          | 
          | 
      
      
        | Environmental (operating) | 
      
      
        | Ambient temperature | 
        5 to 60 C  | 
          | 
          | 
      
      
        | Shock (half-sine wave) | 
        70  | 
          | 
          | 
      
      
        | Vibration (5 to 500 Hz) | 
        0.67 (XYZ)  | 
          | 
          | 
      
      
        | Environmental (non-operating) | 
      
      
        | Ambient temperature | 
        -40 to 70 C  | 
          | 
          | 
      
      
        | Shock (half-sine wave) | 
        300  | 
          | 
          |