diff --git a/MediaTypeFromDevice.cs b/MediaTypeFromDevice.cs
index e4acc7a..7ea7a2f 100644
--- a/MediaTypeFromDevice.cs
+++ b/MediaTypeFromDevice.cs
@@ -171,7 +171,7 @@ namespace Aaru.CommonTypes
                        blockSize == 512)
                         return blocks == 625134256 ? MediaType.RDX320 : MediaType.RDX;
 
-                    if(vendor.ToLowerInvariant().StartsWith("cws orb"))
+                    if(vendor.ToLowerInvariant().StartsWith("cws orb", StringComparison.Ordinal))
                     {
                         switch(blocks)
                         {
@@ -180,6 +180,15 @@ namespace Aaru.CommonTypes
                         }
                     }
 
+                    if(model.ToLowerInvariant().StartsWith("hifd", StringComparison.Ordinal))
+                    {
+                        switch(blocks)
+                        {
+                            case 393380 when blockSize == 512: return MediaType.HiFD;
+                            default:                            return MediaType.Unknown;
+                        }
+                    }
+
                     switch(mediumType)
                     {
                         case 0x01: