diff --git a/LibreHardwareMonitorLib/Hardware/Motherboard/Identification.cs b/LibreHardwareMonitorLib/Hardware/Motherboard/Identification.cs
index c49be25..5373026 100644
--- a/LibreHardwareMonitorLib/Hardware/Motherboard/Identification.cs
+++ b/LibreHardwareMonitorLib/Hardware/Motherboard/Identification.cs
@@ -141,6 +141,8 @@ internal class Identification
                 return Model.B450M_Pro4;
             case var _ when name.Equals("B450M Pro4 R2.0", StringComparison.OrdinalIgnoreCase):
                 return Model.B450M_Pro4_R2_0;
+            case var _ when name.Equals("B550M Pro4", StringComparison.OrdinalIgnoreCase):
+                return Model.B550M_Pro4;
             case var _ when name.Equals("Fatal1ty AB350 Gaming K4", StringComparison.OrdinalIgnoreCase):
                 return Model.Fatal1ty_AB350_Gaming_K4;
             case var _ when name.Equals("AB350M-HDV", StringComparison.OrdinalIgnoreCase):
diff --git a/LibreHardwareMonitorLib/Hardware/Motherboard/Model.cs b/LibreHardwareMonitorLib/Hardware/Motherboard/Model.cs
index f5b7abe..1526fbd 100644
--- a/LibreHardwareMonitorLib/Hardware/Motherboard/Model.cs
+++ b/LibreHardwareMonitorLib/Hardware/Motherboard/Model.cs
@@ -30,6 +30,7 @@ public enum Model
     B450_Steel_Legend,
     B450M_Pro4,
     B450M_Pro4_R2_0,
+    B550M_Pro4,
     B450M_Steel_Legend,
     B85M_DGS,
     Fatal1ty_AB350_Gaming_K4,
diff --git a/LibreHardwareMonitorLib/Hardware/Motherboard/SuperIOHardware.cs b/LibreHardwareMonitorLib/Hardware/Motherboard/SuperIOHardware.cs
index 047d3ce..a8aa90d 100644
--- a/LibreHardwareMonitorLib/Hardware/Motherboard/SuperIOHardware.cs
+++ b/LibreHardwareMonitorLib/Hardware/Motherboard/SuperIOHardware.cs
@@ -3569,6 +3569,37 @@ internal sealed class SuperIOHardware : Hardware
 
                         break;
 
+                    case Model.B550M_Pro4: //NCT6796D-R
+                        v.Add(new Voltage("Vcore", 0, 10, 10));
+                        v.Add(new Voltage("+5V", 1, 2, 1));
+                        v.Add(new Voltage("AVCC", 2, 10, 10));
+                        v.Add(new Voltage("+3.3V", 3, 10, 10));
+                        v.Add(new Voltage("+12V", 4, 56, 10));
+                        v.Add(new Voltage("SoC", 5, 0, 1));
+                        v.Add(new Voltage("DIMM", 6, 0, 1, 0));
+                        v.Add(new Voltage("+3V Standby", 7, 10, 10));
+                        v.Add(new Voltage("CMOS Battery", 8, 34, 34));
+                        v.Add(new Voltage("VPPM", 11, 3, 1));
+                        v.Add(new Voltage("+1.8V", 14, 1, 1));
+
+                        t.Add(new Temperature("Motherboard", 2));
+                        t.Add(new Temperature("CPU", 8));
+
+                        f.Add(new Fan("Chassis #3", 0));
+                        c.Add(new Control("Chassis #3", 0));
+                        f.Add(new Fan("CPU1", 1));
+                        c.Add(new Control("CPU1", 1));
+                        f.Add(new Fan("CPU Pump", 2));
+                        c.Add(new Control("CPU Pump", 2));
+                        f.Add(new Fan("Chassis #1", 3));
+                        c.Add(new Control("Chassis #1", 3));
+                        f.Add(new Fan("Chassis #2", 4));
+                        c.Add(new Control("Chassis #2", 4));
+                        f.Add(new Fan("Chassis #4", 6));
+                        c.Add(new Control("Chassis #4", 6));
+
+                        break;
+
                     case Model.X399_Phantom_Gaming_6: //NCT6779D
                         v.Add(new Voltage("Vcore", 0, 10, 10));
                         v.Add(new Voltage("Chipset 1.05V", 1, 0, 1));