diff --git a/Controllers/MSIGPUController/MSIGPUControllerDetect.cpp b/Controllers/MSIGPUController/MSIGPUControllerDetect.cpp
index fbd678ce..0e49905d 100644
--- a/Controllers/MSIGPUController/MSIGPUControllerDetect.cpp
+++ b/Controllers/MSIGPUController/MSIGPUControllerDetect.cpp
@@ -92,4 +92,5 @@ REGISTER_I2C_PCI_DETECTOR("MSI GeForce RTX 3080 Ti Suprim X 12G",           Dete
 REGISTER_I2C_PCI_DETECTOR("MSI GeForce RTX 3090 24GB Gaming X Trio",        DetectMSIGPUControllers,    NVIDIA_VEN,     NVIDIA_RTX3090_DEV,         MSI_SUB_VEN,    MSI_RTX3090_GAMING_X_TRIO_SUB_DEV,      0x68);
 REGISTER_I2C_PCI_DETECTOR("MSI GeForce RTX 3090 Suprim X 24G",              DetectMSIGPUControllers,    NVIDIA_VEN,     NVIDIA_RTX3090_DEV,         MSI_SUB_VEN,    MSI_RTX3090_SUPRIM_X_SUB_DEV,           0x68);
 REGISTER_I2C_PCI_DETECTOR("MSI GeForce RTX 3090 Ti Suprim X 24G",           DetectMSIGPUControllers,    NVIDIA_VEN,     NVIDIA_RTX3090TI_DEV,       MSI_SUB_VEN,    MSI_RTX3090TI_SUPRIM_X_SUB_DEV,         0x68);
+REGISTER_I2C_PCI_DETECTOR("MSI Radeon RX 6600 XT Gaming X",                 DetectMSIGPUControllers,    AMD_GPU_VEN,    AMD_NAVI23_DEV,             MSI_SUB_VEN,    MSI_RX6600XT_GAMING_X_SUB_DEV,          0x68);
 REGISTER_I2C_PCI_DETECTOR("MSI Radeon RX 6800 XT Gaming Z Trio",            DetectMSIGPUControllers,    AMD_GPU_VEN,    AMD_NAVI21_DEV1,            MSI_SUB_VEN,    MSI_RX6800XT_GAMING_Z_TRIO_SUB_DEV,     0x68);
diff --git a/pci_ids/pci_ids.h b/pci_ids/pci_ids.h
index 0afaf152..99b4df8f 100644
--- a/pci_ids/pci_ids.h
+++ b/pci_ids/pci_ids.h
@@ -431,6 +431,7 @@
 #define MSI_RTX3090_GAMING_X_TRIO_SUB_DEV               0x3884
 #define MSI_RTX3090_SUPRIM_X_SUB_DEV                    0x3882
 #define MSI_RTX3090TI_SUPRIM_X_SUB_DEV                  0x5090
+#define MSI_RX6600XT_GAMING_X_SUB_DEV                   0x5020
 #define MSI_RX6800XT_GAMING_Z_TRIO_SUB_DEV              0x3953
 
 /*-----------------------------------------------------*\