diff --git a/Controllers/GigabyteRGBFusion2BlackwellGPUController/GigabyteRGBFusion2BlackwellGPUControllerDetect.cpp b/Controllers/GigabyteRGBFusion2BlackwellGPUController/GigabyteRGBFusion2BlackwellGPUControllerDetect.cpp
index f39fc39a..49f8c67f 100644
--- a/Controllers/GigabyteRGBFusion2BlackwellGPUController/GigabyteRGBFusion2BlackwellGPUControllerDetect.cpp
+++ b/Controllers/GigabyteRGBFusion2BlackwellGPUController/GigabyteRGBFusion2BlackwellGPUControllerDetect.cpp
@@ -133,6 +133,7 @@ REGISTER_I2C_PCI_DETECTOR("Gigabyte GeForce RTX 5070 Ti Eagle OC",
 REGISTER_I2C_PCI_DETECTOR("Gigabyte GeForce RTX 5070 Ti Aero OC",                   DetectGigabyteRGBFusion2BlackwellSingleZoneGPUControllers,      NVIDIA_VEN, NVIDIA_RTX5070TI_DEV,   GIGABYTE_SUB_VEN, GIGABYTE_RTX5070TI_AERO_OC_16G_SUB_DEV,         0x75);
 REGISTER_I2C_PCI_DETECTOR("Gigabyte GeForce RTX 5070 Ti Gaming OC",                 DetectGigabyteRGBFusion2BlackwellGamingLayoutGPUControllers,    NVIDIA_VEN, NVIDIA_RTX5070TI_DEV,   GIGABYTE_SUB_VEN, GIGABYTE_RTX5070TI_GAMING_OC_16G_SUB_DEV,       0x75);
 REGISTER_I2C_PCI_DETECTOR("Gigabyte GeForce RTX 5080 Gaming OC",                    DetectGigabyteRGBFusion2BlackwellGamingLayoutGPUControllers,    NVIDIA_VEN, NVIDIA_RTX5080_DEV,     GIGABYTE_SUB_VEN, GIGABYTE_RTX5080_GAMING_OC_16G_SUB_DEV,       0x75);
+REGISTER_I2C_PCI_DETECTOR("Gigabyte GeForce RTX 5090 Gaming OC",                    DetectGigabyteRGBFusion2BlackwellGamingLayoutGPUControllers,    NVIDIA_VEN, NVIDIA_RTX5090_DEV,     GIGABYTE_SUB_VEN, GIGABYTE_RTX5090_GAMING_OC_32G_SUB_DEV,         0x75);
 
 /*-----------------------------------------*\
 |  AMD GPUs                                 |
diff --git a/pci_ids/pci_ids.h b/pci_ids/pci_ids.h
index 00254706..ea4bfdbf 100644
--- a/pci_ids/pci_ids.h
+++ b/pci_ids/pci_ids.h
@@ -674,6 +674,7 @@
 #define GIGABYTE_RTX5070TI_AERO_OC_16G_SUB_DEV          0x417F
 #define GIGABYTE_RTX5070TI_GAMING_OC_16G_SUB_DEV        0x4181
 #define GIGABYTE_RTX5080_GAMING_OC_16G_SUB_DEV          0x4176
+#define GIGABYTE_RTX5090_GAMING_OC_32G_SUB_DEV          0x416F
 #define GIGABYTE_AORUS_RTX5090_MASTER_32G_SUB_DEV       0x416E
 #define GIGABYTE_AORUS_RTX5090_MASTER_ICE_32G_SUB_DEV   0x4199
 #define GIGABYTE_AORUS_RTX5090D_MASTER_32G_SUB_DEV      0x4188