Retrieves the properties for all the physical disk drives installed on a computer.

JavaScript
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var wbemFlagReturnImmediately = 0x10;
var wbemFlagForwardOnly = 0x20;

   var objWMIService = GetObject("winmgmts:\\\\.\\root\\CIMV2");
   var colItems = objWMIService.ExecQuery("SELECT * FROM Win32_DiskDrive", "WQL",
                                          wbemFlagReturnImmediately | wbemFlagForwardOnly);

   var enumItems = new Enumerator(colItems);
   for (; !enumItems.atEnd(); enumItems.moveNext()) {
      var objItem = enumItems.item();

      WScript.Echo("Availability: " + objItem.Availability);
      WScript.Echo("Bytes Per Sector: " + objItem.BytesPerSector);
      try { WScript.Echo("Capabilities: " + (objItem.Capabilities.toArray()).join(",")); }
         catch(e) { WScript.Echo("Capabilities: null"); }
      try { WScript.Echo("Capability Descriptions: " + (objItem.CapabilityDescriptions.toArray()).join(",")); }
         catch(e) { WScript.Echo("Capability Descriptions: null"); }
      WScript.Echo("Caption: " + objItem.Caption);
      WScript.Echo("Compression Method: " + objItem.CompressionMethod);
      WScript.Echo("Config Manager Error Code: " + objItem.ConfigManagerErrorCode);
      WScript.Echo("Config Manager User Config: " + objItem.ConfigManagerUserConfig);
      WScript.Echo("Creation Class Name: " + objItem.CreationClassName);
      WScript.Echo("Default Block Size: " + objItem.DefaultBlockSize);
      WScript.Echo("Description: " + objItem.Description);
      WScript.Echo("Device ID: " + objItem.DeviceID);
      WScript.Echo("Error Cleared: " + objItem.ErrorCleared);
      WScript.Echo("Error Description: " + objItem.ErrorDescription);
      WScript.Echo("Error Methodology: " + objItem.ErrorMethodology);
      WScript.Echo("Index: " + objItem.Index);
      WScript.Echo("Install Date: " + objItem.InstallDate);
      WScript.Echo("Interface Type: " + objItem.InterfaceType);
      WScript.Echo("Last Error Code: " + objItem.LastErrorCode);
      WScript.Echo("Manufacturer: " + objItem.Manufacturer);
      WScript.Echo("Max Block Size: " + objItem.MaxBlockSize);
      WScript.Echo("Max Media Size: " + objItem.MaxMediaSize);
      WScript.Echo("Media Loaded: " + objItem.MediaLoaded);
      WScript.Echo("Media Type: " + objItem.MediaType);
      WScript.Echo("Min Block Size: " + objItem.MinBlockSize);
      WScript.Echo("Model: " + objItem.Model);
      WScript.Echo("Name: " + objItem.Name);
      WScript.Echo("Needs Cleaning: " + objItem.NeedsCleaning);
      WScript.Echo("Number Of Media Supported: " + objItem.NumberOfMediaSupported);
      WScript.Echo("Partitions: " + objItem.Partitions);
      WScript.Echo("PNP Device ID: " + objItem.PNPDeviceID);
      try { WScript.Echo("Power Management Capabilities: " + (objItem.PowerManagementCapabilities.toArray()).join(",")); }
         catch(e) { WScript.Echo("Power Management Capabilities: null"); }
      WScript.Echo("Power Management Supported: " + objItem.PowerManagementSupported);
      WScript.Echo("SCSI Bus: " + objItem.SCSIBus);
      WScript.Echo("SCSI Logical Unit: " + objItem.SCSILogicalUnit);
      WScript.Echo("SCSI Port: " + objItem.SCSIPort);
      WScript.Echo("SCSI Target Id: " + objItem.SCSITargetId);
      WScript.Echo("Sectors Per Track: " + objItem.SectorsPerTrack);
      WScript.Echo("Signature: " + objItem.Signature);
      WScript.Echo("Size: " + objItem.Size);
      WScript.Echo("Status: " + objItem.Status);
      WScript.Echo("Status Info: " + objItem.StatusInfo);
      WScript.Echo("System Creation Class Name: " + objItem.SystemCreationClassName);
      WScript.Echo("System Name: " + objItem.SystemName);
      WScript.Echo("Total Cylinders: " + objItem.TotalCylinders);
      WScript.Echo("Total Heads: " + objItem.TotalHeads);
      WScript.Echo("Total Sectors: " + objItem.TotalSectors);
      WScript.Echo("Total Tracks: " + objItem.TotalTracks);
      WScript.Echo("Tracks Per Cylinder: " + objItem.TracksPerCylinder);
      WScript.Echo();
   }