diff --git a/Aaru.Core/Devices/Dumping/ATA.cs b/Aaru.Core/Devices/Dumping/ATA.cs
index 529ed3cdb..a11fc943c 100644
--- a/Aaru.Core/Devices/Dumping/ATA.cs
+++ b/Aaru.Core/Devices/Dumping/ATA.cs
@@ -819,8 +819,13 @@ namespace Aaru.Core.Devices.Dumping
                     UpdateStatus?.
                         Invoke($"Average speed: {((double)blockSize * (double)(blocks + 1)) / 1048576 / (totalDuration / 1000):F3} MiB/sec.");
 
-                    UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
-                    UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+                    if(maxSpeed > 0)
+                        UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
+
+                    if(minSpeed > 0 &&
+                       minSpeed < double.MaxValue)
+                        UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+
                     UpdateStatus?.Invoke($"{_resume.BadBlocks.Count} sectors could not be read.");
 
                     if(_resume.BadBlocks.Count > 0)
diff --git a/Aaru.Core/Devices/Dumping/CompactDisc/Dump.cs b/Aaru.Core/Devices/Dumping/CompactDisc/Dump.cs
index 33c2379ee..cf8724af5 100644
--- a/Aaru.Core/Devices/Dumping/CompactDisc/Dump.cs
+++ b/Aaru.Core/Devices/Dumping/CompactDisc/Dump.cs
@@ -1282,8 +1282,13 @@ namespace Aaru.Core.Devices.Dumping
             UpdateStatus?.
                 Invoke($"Average speed: {((double)blockSize * (double)(blocks + 1)) / 1048576 / (totalDuration / 1000):F3} MiB/sec.");
 
-            UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
-            UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+            if(maxSpeed > 0)
+                UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
+
+            if(minSpeed > 0 &&
+               minSpeed < double.MaxValue)
+                UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+
             UpdateStatus?.Invoke($"{_resume.BadBlocks.Count} sectors could not be read.");
             UpdateStatus?.Invoke($"{_resume.BadSubchannels.Count} subchannels could not be read.");
             UpdateStatus?.Invoke("");
diff --git a/Aaru.Core/Devices/Dumping/MiniDisc.cs b/Aaru.Core/Devices/Dumping/MiniDisc.cs
index ce025fbc8..40318f038 100644
--- a/Aaru.Core/Devices/Dumping/MiniDisc.cs
+++ b/Aaru.Core/Devices/Dumping/MiniDisc.cs
@@ -764,8 +764,13 @@ namespace Aaru.Core.Devices.Dumping
             UpdateStatus?.
                 Invoke($"Average speed: {((double)blockSize * (double)(blocks + 1)) / 1048576 / (totalDuration / 1000):F3} MiB/sec.");
 
-            UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
-            UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+            if(maxSpeed > 0)
+                UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
+
+            if(minSpeed > 0 &&
+               minSpeed < double.MaxValue)
+                UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+
             UpdateStatus?.Invoke($"{_resume.BadBlocks.Count} sectors could not be read.");
             UpdateStatus?.Invoke("");
 
diff --git a/Aaru.Core/Devices/Dumping/PlayStationPortable/MemoryStick.cs b/Aaru.Core/Devices/Dumping/PlayStationPortable/MemoryStick.cs
index e622fc789..a9123257b 100644
--- a/Aaru.Core/Devices/Dumping/PlayStationPortable/MemoryStick.cs
+++ b/Aaru.Core/Devices/Dumping/PlayStationPortable/MemoryStick.cs
@@ -605,8 +605,13 @@ namespace Aaru.Core.Devices.Dumping
             UpdateStatus?.
                 Invoke($"Average speed: {((double)BLOCK_SIZE * (double)(blocks + 1)) / 1048576 / (totalDuration / 1000):F3} MiB/sec.");
 
-            UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
-            UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+            if(maxSpeed > 0)
+                UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
+
+            if(minSpeed > 0 &&
+               minSpeed < double.MaxValue)
+                UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+
             UpdateStatus?.Invoke($"{_resume.BadBlocks.Count} sectors could not be read.");
             UpdateStatus?.Invoke("");
 
diff --git a/Aaru.Core/Devices/Dumping/PlayStationPortable/UMD.cs b/Aaru.Core/Devices/Dumping/PlayStationPortable/UMD.cs
index fe51bb24e..d7dd68e19 100644
--- a/Aaru.Core/Devices/Dumping/PlayStationPortable/UMD.cs
+++ b/Aaru.Core/Devices/Dumping/PlayStationPortable/UMD.cs
@@ -520,8 +520,13 @@ namespace Aaru.Core.Devices.Dumping
             UpdateStatus?.
                 Invoke($"Average speed: {((double)BLOCK_SIZE * (double)(blocks + 1)) / 1048576 / (totalDuration / 1000):F3} MiB/sec.");
 
-            UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
-            UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+            if(maxSpeed > 0)
+                UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
+
+            if(minSpeed > 0 &&
+               minSpeed < double.MaxValue)
+                UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+
             UpdateStatus?.Invoke($"{_resume.BadBlocks.Count} sectors could not be read.");
             UpdateStatus?.Invoke("");
 
diff --git a/Aaru.Core/Devices/Dumping/SBC.cs b/Aaru.Core/Devices/Dumping/SBC.cs
index bf812837f..e790706f9 100644
--- a/Aaru.Core/Devices/Dumping/SBC.cs
+++ b/Aaru.Core/Devices/Dumping/SBC.cs
@@ -1412,8 +1412,13 @@ namespace Aaru.Core.Devices.Dumping
             UpdateStatus?.
                 Invoke($"Average speed: {((double)blockSize * (double)(blocks + 1)) / 1048576 / (totalDuration / 1000):F3} MiB/sec.");
 
-            UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
-            UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+            if(maxSpeed > 0)
+                UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
+
+            if(minSpeed > 0 &&
+               minSpeed < double.MaxValue)
+                UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+
             UpdateStatus?.Invoke($"{_resume.BadBlocks.Count} sectors could not be read.");
             UpdateStatus?.Invoke("");
 
diff --git a/Aaru.Core/Devices/Dumping/SSC.cs b/Aaru.Core/Devices/Dumping/SSC.cs
index 45b591657..35e4f5412 100644
--- a/Aaru.Core/Devices/Dumping/SSC.cs
+++ b/Aaru.Core/Devices/Dumping/SSC.cs
@@ -1364,8 +1364,13 @@ namespace Aaru.Core.Devices.Dumping
             UpdateStatus?.
                 Invoke($"Average speed: {((double)blockSize * (double)(blocks + 1)) / 1048576 / (totalDuration / 1000):F3} MiB/sec.");
 
-            UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
-            UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+            if(maxSpeed > 0)
+                UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
+
+            if(minSpeed > 0 &&
+               minSpeed < double.MaxValue)
+                UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+
             UpdateStatus?.Invoke($"{_resume.BadBlocks.Count} sectors could not be read.");
             UpdateStatus?.Invoke("");
 
diff --git a/Aaru.Core/Devices/Dumping/SecureDigital.cs b/Aaru.Core/Devices/Dumping/SecureDigital.cs
index 343453419..c6c299f3c 100644
--- a/Aaru.Core/Devices/Dumping/SecureDigital.cs
+++ b/Aaru.Core/Devices/Dumping/SecureDigital.cs
@@ -818,8 +818,13 @@ namespace Aaru.Core.Devices.Dumping
             UpdateStatus?.
                 Invoke($"Average speed: {((double)blockSize * (double)(blocks + 1)) / 1048576 / (totalDuration / 1000):F3} MiB/sec.");
 
-            UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
-            UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+            if(maxSpeed > 0)
+                UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
+
+            if(minSpeed > 0 &&
+               minSpeed < double.MaxValue)
+                UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+
             UpdateStatus?.Invoke($"{_resume.BadBlocks.Count} sectors could not be read.");
             UpdateStatus?.Invoke("");
 
diff --git a/Aaru.Core/Devices/Dumping/XGD.cs b/Aaru.Core/Devices/Dumping/XGD.cs
index 0c1ad1153..0065a651f 100644
--- a/Aaru.Core/Devices/Dumping/XGD.cs
+++ b/Aaru.Core/Devices/Dumping/XGD.cs
@@ -1202,8 +1202,13 @@ namespace Aaru.Core.Devices.Dumping
             UpdateStatus?.
                 Invoke($"Average speed: {((double)BLOCK_SIZE * (double)(blocks + 1)) / 1048576 / (totalDuration / 1000):F3} MiB/sec.");
 
-            UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
-            UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+            if(maxSpeed > 0)
+                UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
+
+            if(minSpeed > 0 &&
+               minSpeed < double.MaxValue)
+                UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
+
             UpdateStatus?.Invoke($"{_resume.BadBlocks.Count} sectors could not be read.");
             UpdateStatus?.Invoke("");