diff --git a/ChangeLog b/ChangeLog
index b48d9940b..e2a2fc9b7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2015-10-31  Natalia Portillo  <claunia@claunia.com>
+
+	* SCSI/Modes.cs:
+	  Added information from USB Mass Storage Class - UFI Command
+	  Specification
+
 2015-10-31  Natalia Portillo  <claunia@claunia.com>
 
 	* SCSI/Modes.cs:
diff --git a/SCSI/Modes.cs b/SCSI/Modes.cs
index a71ed2094..e20f6866d 100644
--- a/SCSI/Modes.cs
+++ b/SCSI/Modes.cs
@@ -274,8 +274,19 @@ namespace DiscImageChef.Decoders.SCSI
             /// <summary>
             /// Tray closed or caddy inserted but medium error
             /// </summary>
-            MediumError = 0x72
+            MediumError = 0x72,
             #endregion Medium Types defined in SFF-8020i
+
+            #region Medium Types defined in USB Mass Storage Class - UFI Command Specification
+            /// <summary>
+            /// 3.5-inch, 135 tpi, 12362 bits/radian, double-sided MFM (aka 1.25Mb)
+            /// </summary>
+            Type3Floppy = 0x93,
+            /// <summary>
+            /// 3.5-inch, 135 tpi, 15916 bits/radian, double-sided MFM (aka 1.44Mb)
+            /// </summary>
+            HDFloppy = 0x94
+            #endregion Medium Types defined in USB Mass Storage Class - UFI Command Specification
         }
 
         public enum DensityType : byte
@@ -591,6 +602,12 @@ namespace DiscImageChef.Decoders.SCSI
                                 case MediumTypes.Tape24:
                                     sb.AppendLine("6,3 mm tape with 24 tracks at 394 ftpmm");
                                     break;
+                                case MediumTypes.Type3Floppy:
+                                    sb.AppendLine("3.5-inch, 135 tpi, 12362 bits/radian, double-sided MFM (aka 1.25Mb)");
+                                    break;
+                                case MediumTypes.HDFloppy:
+                                    sb.AppendLine("3.5-inch, 135 tpi, 15916 bits/radian, double-sided MFM (aka 1.44Mb)");
+                                    break;
                                 default:
                                     sb.AppendFormat("Unknown medium type 0x{0:X2}", header.Value.MediumType).AppendLine();
                                     break;