diff --git a/Controllers/GigabyteRGBFusion2GPUController/GigabyteRGBFusion2GPUControllerDetect.cpp b/Controllers/GigabyteRGBFusion2GPUController/GigabyteRGBFusion2GPUControllerDetect.cpp
index c6983d14..71254f36 100644
--- a/Controllers/GigabyteRGBFusion2GPUController/GigabyteRGBFusion2GPUControllerDetect.cpp
+++ b/Controllers/GigabyteRGBFusion2GPUController/GigabyteRGBFusion2GPUControllerDetect.cpp
@@ -166,6 +166,7 @@ REGISTER_I2C_PCI_DETECTOR("Gigabyte AORUS GeForce RTX 4080 MASTER",
 REGISTER_I2C_PCI_DETECTOR("Gigabyte GeForce RTX 4090 AERO OC",                         DetectGigabyteRGBFusion2GPUControllers, NVIDIA_VEN, NVIDIA_RTX4090_DEV,         GIGABYTE_SUB_VEN,   GIGABYTE_RTX4090_AERO_OC_24G_SUB_DEV,           0x71);
 REGISTER_I2C_PCI_DETECTOR("Gigabyte GeForce RTX 4090 GAMING OC",                       DetectGigabyteRGBFusion2GPUControllers, NVIDIA_VEN, NVIDIA_RTX4090_DEV,         GIGABYTE_SUB_VEN,   GIGABYTE_RTX4090_GAMING_OC_24G_SUB_DEV,         0x71);
 REGISTER_I2C_PCI_DETECTOR("Gigabyte AORUS GeForce RTX 4090 MASTER",                    DetectGigabyteRGBFusion2GPUControllers, NVIDIA_VEN, NVIDIA_RTX4090_DEV,         GIGABYTE_SUB_VEN,   GIGABYTE_AORUS_RTX4090_MASTER_24G_SUB_DEV,      0x71);
+REGISTER_I2C_PCI_DETECTOR("Gigabyte AORUS GeForce RTX 5090 MASTER",                    DetectGigabyteRGBFusion2GPUControllers, NVIDIA_VEN, NVIDIA_RTX5090_DEV,         GIGABYTE_SUB_VEN,   GIGABYTE_AORUS_RTX5090_MASTER_32G_SUB_DEV,      0x71);
 
 /*-----------------------------------------*\
 |  AMD GPUs                                 |
diff --git a/pci_ids/pci_ids.h b/pci_ids/pci_ids.h
index 9dbfe16a..49784d07 100644
--- a/pci_ids/pci_ids.h
+++ b/pci_ids/pci_ids.h
@@ -655,6 +655,7 @@
 #define GIGABYTE_RTX4090_GAMING_OC_24G_SUB_DEV          0x40BF
 #define GIGABYTE_AORUS_RTX4090_MASTER_24G_SUB_DEV       0x40C0
 #define GIGABYTE_RX7800XT_GAMING_OC_16G_SUB_DEV         0x2413
+#define GIGABYTE_AORUS_RTX5090_MASTER_32G_SUB_DEV       0x416E
 
 /*-----------------------------------------------------*\
 | MSI Sub-Device IDs                                    |