diff --git a/Controllers/SapphireGPUController/SapphireGPUControllerDetect.cpp b/Controllers/SapphireGPUController/SapphireGPUControllerDetect.cpp
index d8653c00..2c545328 100644
--- a/Controllers/SapphireGPUController/SapphireGPUControllerDetect.cpp
+++ b/Controllers/SapphireGPUController/SapphireGPUControllerDetect.cpp
@@ -75,18 +75,19 @@ void DetectSapphireV3Controllers(i2c_smbus_interface* bus, uint8_t i2c_addr, con
     }
 }   /* DetectSapphireV3Controllers() */
 
-REGISTER_I2C_PCI_DETECTOR("Sapphire RX 470/480 Nitro+",         DetectSapphireV1Controllers,    AMD_GPU_VEN,    AMD_POLARIS_DEV,        SAPPHIRE_LEGACY_SUB_VEN,    SAPPHIRE_LEGACY_POLARIS_NITRO_PLUS_SUB_DEV, SAPPHIRE_NITRO_GLOW_V1_ADDR);
-REGISTER_I2C_PCI_DETECTOR("Sapphire RX 570/580/590 Nitro+",     DetectSapphireV1Controllers,    AMD_GPU_VEN,    AMD_POLARIS_DEV,        SAPPHIRE_SUB_VEN,           SAPPHIRE_POLARIS_NITRO_PLUS_SUB_DEV1,       SAPPHIRE_NITRO_GLOW_V1_ADDR);
-REGISTER_I2C_PCI_DETECTOR("Sapphire RX 570/580/590 Nitro+",     DetectSapphireV1Controllers,    AMD_GPU_VEN,    AMD_POLARIS_DEV,        SAPPHIRE_SUB_VEN,           SAPPHIRE_POLARIS_NITRO_PLUS_SUB_DEV2,       SAPPHIRE_NITRO_GLOW_V1_ADDR);
-REGISTER_I2C_PCI_DETECTOR("Sapphire RX 580 Nitro+ (2048SP)",    DetectSapphireV1Controllers,    AMD_GPU_VEN,    AMD_POLARIS20XL_DEV,    SAPPHIRE_SUB_VEN,           SAPPHIRE_POLARIS_NITRO_PLUS_SUB_DEV1,       SAPPHIRE_NITRO_GLOW_V1_ADDR);
-REGISTER_I2C_PCI_DETECTOR("Sapphire RX Vega 56/64 Nitro+",      DetectSapphireV1Controllers,    AMD_GPU_VEN,    AMD_VEGA10_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_VEGA10_NITRO_PLUS_SUB_DEV,         SAPPHIRE_NITRO_GLOW_V1_ADDR);
-REGISTER_I2C_PCI_DETECTOR("Sapphire RX 5700 (XT) Nitro+",       DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI10_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI10_NITRO_PLUS_SUB_DEV1,        SAPPHIRE_NITRO_GLOW_V3_ADDR);
-REGISTER_I2C_PCI_DETECTOR("Sapphire RX 5700 XT Nitro+",         DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI10_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI10_NITRO_PLUS_SUB_DEV2,        SAPPHIRE_NITRO_GLOW_V3_ADDR);
-REGISTER_I2C_PCI_DETECTOR("Sapphire RX 5700 XT Nitro+",         DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI10_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI10_NITRO_PLUS_SUB_DEV3,        SAPPHIRE_NITRO_GLOW_V3_ADDR);
-REGISTER_I2C_PCI_DETECTOR("Sapphire RX 5500 XT Nitro+",         DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI14_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI14_NITRO_PLUS_SUB_DEV,         SAPPHIRE_NITRO_GLOW_V3_ADDR);
-REGISTER_I2C_PCI_DETECTOR("Sapphire RX 6800 XT Nitro+ SE",      DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI21_DEV1,        SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_NITRO_PLUS_SUB_DEV1,        SAPPHIRE_NITRO_GLOW_V3_ADDR);
-REGISTER_I2C_PCI_DETECTOR("Sapphire RX 6800 XT/6900 XT Nitro+", DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI21_DEV1,        SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_NITRO_PLUS_SUB_DEV2,        SAPPHIRE_NITRO_GLOW_V3_ADDR);
-REGISTER_I2C_PCI_DETECTOR("Sapphire RX 6800 Nitro+",            DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI21_DEV1,        SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_NITRO_PLUS_SUB_DEV3,        SAPPHIRE_NITRO_GLOW_V3_ADDR);
-REGISTER_I2C_PCI_DETECTOR("Sapphire RX 6700 XT Nitro+",         DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI22_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI22_NITRO_PLUS_SUB_DEV,         SAPPHIRE_NITRO_GLOW_V3_ADDR);
-REGISTER_I2C_PCI_DETECTOR("Sapphire RX 6600 XT Nitro+",         DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI23_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI23_NITRO_PLUS_SUB_DEV,         SAPPHIRE_NITRO_GLOW_V3_ADDR);
-REGISTER_I2C_PCI_DETECTOR("Sapphire RX 6900 XT Toxic",          DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI21_DEV2,        SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_TOXIC_SUB_DEV,              SAPPHIRE_NITRO_GLOW_V3_ADDR);
+REGISTER_I2C_PCI_DETECTOR("Sapphire RX 470/480 Nitro+",                     DetectSapphireV1Controllers,    AMD_GPU_VEN,    AMD_POLARIS_DEV,        SAPPHIRE_LEGACY_SUB_VEN,    SAPPHIRE_LEGACY_POLARIS_NITRO_PLUS_SUB_DEV, SAPPHIRE_NITRO_GLOW_V1_ADDR);
+REGISTER_I2C_PCI_DETECTOR("Sapphire RX 570/580/590 Nitro+",                 DetectSapphireV1Controllers,    AMD_GPU_VEN,    AMD_POLARIS_DEV,        SAPPHIRE_SUB_VEN,           SAPPHIRE_POLARIS_NITRO_PLUS_SUB_DEV1,       SAPPHIRE_NITRO_GLOW_V1_ADDR);
+REGISTER_I2C_PCI_DETECTOR("Sapphire RX 570/580/590 Nitro+",                 DetectSapphireV1Controllers,    AMD_GPU_VEN,    AMD_POLARIS_DEV,        SAPPHIRE_SUB_VEN,           SAPPHIRE_POLARIS_NITRO_PLUS_SUB_DEV2,       SAPPHIRE_NITRO_GLOW_V1_ADDR);
+REGISTER_I2C_PCI_DETECTOR("Sapphire RX 580 Nitro+ (2048SP)",                DetectSapphireV1Controllers,    AMD_GPU_VEN,    AMD_POLARIS20XL_DEV,    SAPPHIRE_SUB_VEN,           SAPPHIRE_POLARIS_NITRO_PLUS_SUB_DEV1,       SAPPHIRE_NITRO_GLOW_V1_ADDR);
+REGISTER_I2C_PCI_DETECTOR("Sapphire RX Vega 56/64 Nitro+",                  DetectSapphireV1Controllers,    AMD_GPU_VEN,    AMD_VEGA10_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_VEGA10_NITRO_PLUS_SUB_DEV,         SAPPHIRE_NITRO_GLOW_V1_ADDR);
+REGISTER_I2C_PCI_DETECTOR("Sapphire RX 5700 (XT) Nitro+",                   DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI10_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI10_NITRO_PLUS_SUB_DEV1,        SAPPHIRE_NITRO_GLOW_V3_ADDR);
+REGISTER_I2C_PCI_DETECTOR("Sapphire RX 5700 XT Nitro+",                     DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI10_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI10_NITRO_PLUS_SUB_DEV2,        SAPPHIRE_NITRO_GLOW_V3_ADDR);
+REGISTER_I2C_PCI_DETECTOR("Sapphire RX 5700 XT Nitro+",                     DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI10_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI10_NITRO_PLUS_SUB_DEV3,        SAPPHIRE_NITRO_GLOW_V3_ADDR);
+REGISTER_I2C_PCI_DETECTOR("Sapphire RX 5500 XT Nitro+",                     DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI14_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI14_NITRO_PLUS_SUB_DEV,         SAPPHIRE_NITRO_GLOW_V3_ADDR);
+REGISTER_I2C_PCI_DETECTOR("Sapphire RX 6800 XT Nitro+ SE",                  DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI21_DEV1,        SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_NITRO_PLUS_SUB_DEV1,        SAPPHIRE_NITRO_GLOW_V3_ADDR);
+REGISTER_I2C_PCI_DETECTOR("Sapphire RX 6800 XT/6900 XT Nitro+",             DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI21_DEV1,        SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_NITRO_PLUS_SUB_DEV2,        SAPPHIRE_NITRO_GLOW_V3_ADDR);
+REGISTER_I2C_PCI_DETECTOR("Sapphire RX 6800 Nitro+",                        DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI21_DEV1,        SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_NITRO_PLUS_SUB_DEV3,        SAPPHIRE_NITRO_GLOW_V3_ADDR);
+REGISTER_I2C_PCI_DETECTOR("Sapphire RX 6700 XT Nitro+",                     DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI22_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI22_NITRO_PLUS_SUB_DEV,         SAPPHIRE_NITRO_GLOW_V3_ADDR);
+REGISTER_I2C_PCI_DETECTOR("Sapphire RX 6600 XT Nitro+",                     DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI23_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI23_NITRO_PLUS_SUB_DEV,         SAPPHIRE_NITRO_GLOW_V3_ADDR);
+REGISTER_I2C_PCI_DETECTOR("Sapphire RX 6900 XT Toxic",                      DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI21_DEV2,        SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_TOXIC_SUB_DEV,              SAPPHIRE_NITRO_GLOW_V3_ADDR);
+REGISTER_I2C_PCI_DETECTOR("Sapphire RX 6900 XT Toxic Limited Edition",      DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI21_DEV1,        SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_TOXIC_SUB_DEV1,             SAPPHIRE_NITRO_GLOW_V3_ADDR);
diff --git a/pci_ids/pci_ids.h b/pci_ids/pci_ids.h
index dfbe850e..32748598 100644
--- a/pci_ids/pci_ids.h
+++ b/pci_ids/pci_ids.h
@@ -474,6 +474,7 @@
 #define SAPPHIRE_NAVI22_NITRO_PLUS_SUB_DEV              0xE445
 #define SAPPHIRE_NAVI23_NITRO_PLUS_SUB_DEV              0xE448
 #define SAPPHIRE_NAVI21_TOXIC_SUB_DEV                   0xF440
+#define SAPPHIRE_NAVI21_TOXIC_SUB_DEV1                  0xF441
 
 /*---------------------------------------------------------*\
 | PCI ID Macros                                             |