diff --git a/Controllers/GigabyteRGBFusion2GPUController/GigabyteRGBFusion2GPUControllerDetect.cpp b/Controllers/GigabyteRGBFusion2GPUController/GigabyteRGBFusion2GPUControllerDetect.cpp
index 2701a7a4..7b9cd5e7 100644
--- a/Controllers/GigabyteRGBFusion2GPUController/GigabyteRGBFusion2GPUControllerDetect.cpp
+++ b/Controllers/GigabyteRGBFusion2GPUController/GigabyteRGBFusion2GPUControllerDetect.cpp
@@ -120,5 +120,6 @@ REGISTER_I2C_PCI_DETECTOR("Gigabyte AORUS RTX3090 XTREME WATERFORCE 24G",
 REGISTER_I2C_PCI_DETECTOR("Gigabyte AORUS RTX3090 XTREME WATERFORCE WB 24G",        DetectGigabyteRGBFusion2GPUControllers, NVIDIA_VEN, NVIDIA_RTX3090_DEV,         GIGABYTE_SUB_VEN,   GIGABYTE_RTX3090_XTREME_WATERFORCE_WB_SUB_DEV,  0x64);
 REGISTER_I2C_PCI_DETECTOR("Gigabyte RTX4080 Gaming OC 16G",                         DetectGigabyteRGBFusion2GPUControllers, NVIDIA_VEN, NVIDIA_RTX4080_DEV,         GIGABYTE_SUB_VEN,   GIGABYTE_RTX4080_GAMING_OC_SUB_DEV,             0x71);
 REGISTER_I2C_PCI_DETECTOR("Gigabyte AORUS RTX4080 MASTER 16G",                      DetectGigabyteRGBFusion2GPUControllers, NVIDIA_VEN, NVIDIA_RTX4080_DEV,         GIGABYTE_SUB_VEN,   GIGABYTE_AORUS_RTX4080_MASTER_16G_SUB_DEV,      0x71);
+REGISTER_I2C_PCI_DETECTOR("Gigabyte RTX4090 GAMING OC 24G",                         DetectGigabyteRGBFusion2GPUControllers, NVIDIA_VEN, NVIDIA_RTX4090_DEV,         GIGABYTE_SUB_VEN,   GIGABYTE_RTX4090_GAMING_OC_24G_SUB_DEV,         0x71);
 REGISTER_I2C_PCI_DETECTOR("Gigabyte AORUS RTX4090 MASTER 24G",                      DetectGigabyteRGBFusion2GPUControllers, NVIDIA_VEN, NVIDIA_RTX4090_DEV,         GIGABYTE_SUB_VEN,   GIGABYTE_AORUS_RTX4090_MASTER_24G_SUB_DEV,      0x71);
 
diff --git a/pci_ids/pci_ids.h b/pci_ids/pci_ids.h
index 3b685119..eaa2b990 100644
--- a/pci_ids/pci_ids.h
+++ b/pci_ids/pci_ids.h
@@ -457,6 +457,7 @@
 #define GIGABYTE_RTX3090_XTREME_WATERFORCE_WB_SUB_DEV   0x403A
 #define GIGABYTE_RTX4080_GAMING_OC_SUB_DEV              0x40BC
 #define GIGABYTE_AORUS_RTX4080_MASTER_16G_SUB_DEV       0x40BD
+#define GIGABYTE_RTX4090_GAMING_OC_24G_SUB_DEV          0x40BF
 #define GIGABYTE_AORUS_RTX4090_MASTER_24G_SUB_DEV       0x40C0
 
 /*-----------------------------------------------------*\