diff --git a/Controllers/MSIGPUController/MSIGPUv2ControllerDetect.cpp b/Controllers/MSIGPUController/MSIGPUv2ControllerDetect.cpp
index 85ff3e67..9af47ba4 100644
--- a/Controllers/MSIGPUController/MSIGPUv2ControllerDetect.cpp
+++ b/Controllers/MSIGPUController/MSIGPUv2ControllerDetect.cpp
@@ -45,5 +45,6 @@ REGISTER_I2C_PCI_DETECTOR("MSI GeForce RTX 4070Ti 12GB Suprim X Trio",      Dete
 REGISTER_I2C_PCI_DETECTOR("MSI GeForce RTX 4080 16GB Gaming X Trio",        DetectMSIGPUv2Controllers,    NVIDIA_VEN,     NVIDIA_RTX4080_DEV,         MSI_SUB_VEN,    MSI_RTX4080_GAMING_X_TRIO_SUB_DEV,      0x68);
 REGISTER_I2C_PCI_DETECTOR("MSI GeForce RTX 4080 16GB Suprim X",             DetectMSIGPUv2Controllers,    NVIDIA_VEN,     NVIDIA_RTX4080_DEV,         MSI_SUB_VEN,    MSI_RTX4080_SUPRIM_X_SUB_DEV,           0x68);
 REGISTER_I2C_PCI_DETECTOR("MSI GeForce RTX 4090 24GB Gaming X Trio",        DetectMSIGPUv2Controllers,    NVIDIA_VEN,     NVIDIA_RTX4090_DEV,         MSI_SUB_VEN,    MSI_RTX4090_GAMING_X_TRIO_SUB_DEV,      0x68);
+REGISTER_I2C_PCI_DETECTOR("MSI GeForce RTX 4090 24GB Gaming X Slim",        DetectMSIGPUv2Controllers,    NVIDIA_VEN,     NVIDIA_RTX4090_DEV,         MSI_SUB_VEN,    MSI_RTX4090_GAMING_X_SLIM_SUB_DEV,      0x68);
 REGISTER_I2C_PCI_DETECTOR("MSI GeForce RTX 4090 24GB Suprim Liquid X",      DetectMSIGPUv2Controllers,    NVIDIA_VEN,     NVIDIA_RTX4090_DEV,         MSI_SUB_VEN,    MSI_RTX4090_SUPRIM_LIQUID_X_SUB_DEV,    0x68);
 REGISTER_I2C_PCI_DETECTOR("MSI GeForce RTX 4090 24GB Suprim X",             DetectMSIGPUv2Controllers,    NVIDIA_VEN,     NVIDIA_RTX4090_DEV,         MSI_SUB_VEN,    MSI_RTX4090_SUPRIM_X_SUB_DEV,           0x68);
diff --git a/pci_ids/pci_ids.h b/pci_ids/pci_ids.h
index 148bbed3..b340b484 100644
--- a/pci_ids/pci_ids.h
+++ b/pci_ids/pci_ids.h
@@ -590,6 +590,7 @@
 #define MSI_RTX4070TI_SUPRIM_X_TRIO_SUB_DEV             0x5133
 #define MSI_RTX4080_GAMING_X_TRIO_SUB_DEV               0x5111
 #define MSI_RTX4080_SUPRIM_X_SUB_DEV                    0x5110
+#define MSI_RTX4090_GAMING_X_SLIM_SUB_DEV               0x510B
 #define MSI_RTX4090_GAMING_X_TRIO_SUB_DEV               0x5103
 #define MSI_RTX4090_SUPRIM_LIQUID_X_SUB_DEV             0x5104
 #define MSI_RTX4090_SUPRIM_X_SUB_DEV                    0x5102