diff --git a/Controllers/SapphireGPUController/SapphireGPUControllerDetect.cpp b/Controllers/SapphireGPUController/SapphireGPUControllerDetect.cpp
index 7bcf8e805..db7353e31 100644
--- a/Controllers/SapphireGPUController/SapphireGPUControllerDetect.cpp
+++ b/Controllers/SapphireGPUController/SapphireGPUControllerDetect.cpp
@@ -50,11 +50,12 @@ static const gpu_pci_device device_list[] =
     { AMD_GPU_VEN,  AMD_NAVI10_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI10_NITRO_PLUS_SUB_DEV2,        SAPPHIRE_NITRO_GLOW_V3, "RX 5700 XT Nitro+"             },
     { AMD_GPU_VEN,  AMD_NAVI10_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI10_NITRO_PLUS_SUB_DEV3,        SAPPHIRE_NITRO_GLOW_V3, "RX 5700 XT Nitro+"             },
     { AMD_GPU_VEN,  AMD_NAVI14_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI14_NITRO_PLUS_SUB_DEV,         SAPPHIRE_NITRO_GLOW_V3, "RX 5500 XT Nitro+"             },
-    { AMD_GPU_VEN,  AMD_NAVI21_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_NITRO_PLUS_SUB_DEV1,        SAPPHIRE_NITRO_GLOW_V3, "RX 6800 XT Nitro+ SE"          },
-    { AMD_GPU_VEN,  AMD_NAVI21_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_NITRO_PLUS_SUB_DEV2,        SAPPHIRE_NITRO_GLOW_V3, "RX 6800 XT/6900 XT Nitro+"     },
-    { AMD_GPU_VEN,  AMD_NAVI21_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_NITRO_PLUS_SUB_DEV3,        SAPPHIRE_NITRO_GLOW_V3, "RX 6800 Nitro+"                },
+    { AMD_GPU_VEN,  AMD_NAVI21_DEV1,        SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_NITRO_PLUS_SUB_DEV1,        SAPPHIRE_NITRO_GLOW_V3, "RX 6800 XT Nitro+ SE"          },
+    { AMD_GPU_VEN,  AMD_NAVI21_DEV1,        SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_NITRO_PLUS_SUB_DEV2,        SAPPHIRE_NITRO_GLOW_V3, "RX 6800 XT/6900 XT Nitro+"     },
+    { AMD_GPU_VEN,  AMD_NAVI21_DEV1,        SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_NITRO_PLUS_SUB_DEV3,        SAPPHIRE_NITRO_GLOW_V3, "RX 6800 Nitro+"                },
     { AMD_GPU_VEN,  AMD_NAVI22_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI22_NITRO_PLUS_SUB_DEV,         SAPPHIRE_NITRO_GLOW_V3, "RX 6700 XT Nitro+"             },
     { AMD_GPU_VEN,  AMD_NAVI23_DEV,         SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI23_NITRO_PLUS_SUB_DEV,         SAPPHIRE_NITRO_GLOW_V3, "RX 6600 XT Nitro+"             },
+    { AMD_GPU_VEN,  AMD_NAVI21_DEV2,        SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_TOXIC_SUB_DEV,              SAPPHIRE_NITRO_GLOW_V3, "RX 6900 XT Toxic"              },
 };
 
 /******************************************************************************************\
diff --git a/pci_ids/pci_ids.h b/pci_ids/pci_ids.h
index 44dc5e6da..2b0735831 100644
--- a/pci_ids/pci_ids.h
+++ b/pci_ids/pci_ids.h
@@ -23,7 +23,8 @@
 #define AMD_VEGA10_DEV                                  0x687F
 #define AMD_NAVI10_DEV                                  0x731F
 #define AMD_NAVI14_DEV                                  0x7340
-#define AMD_NAVI21_DEV                                  0x73BF
+#define AMD_NAVI21_DEV1                                 0x73BF
+#define AMD_NAVI21_DEV2                                 0x73AF
 #define AMD_NAVI22_DEV                                  0x73DF
 #define AMD_NAVI23_DEV                                  0x73FF
 
@@ -249,6 +250,7 @@
 #define SAPPHIRE_NAVI21_NITRO_PLUS_SUB_DEV3             0xE439
 #define SAPPHIRE_NAVI22_NITRO_PLUS_SUB_DEV              0xE445
 #define SAPPHIRE_NAVI23_NITRO_PLUS_SUB_DEV              0xE448
+#define SAPPHIRE_NAVI21_TOXIC_SUB_DEV                   0xF440
 
 /*---------------------------------------------------------*\
 | PCI ID Macros                                             |