diff --git a/Controllers/SapphireGPUController/SapphireGPUControllerDetect.cpp b/Controllers/SapphireGPUController/SapphireGPUControllerDetect.cpp
index 2c545328..58251184 100644
--- a/Controllers/SapphireGPUController/SapphireGPUControllerDetect.cpp
+++ b/Controllers/SapphireGPUController/SapphireGPUControllerDetect.cpp
@@ -89,5 +89,6 @@ REGISTER_I2C_PCI_DETECTOR("Sapphire RX 6800 XT/6900 XT Nitro+",             Dete
 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 Nitro+ SE",                  DetectSapphireV3Controllers,    AMD_GPU_VEN,    AMD_NAVI21_DEV1,        SAPPHIRE_SUB_VEN,           SAPPHIRE_NAVI21_6900XT_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 5e4db245..e5ca5ed5 100644
--- a/pci_ids/pci_ids.h
+++ b/pci_ids/pci_ids.h
@@ -487,6 +487,7 @@
 #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_6900XT_NITRO_PLUS_SUB_DEV       0x440E
 #define SAPPHIRE_NAVI21_TOXIC_SUB_DEV                   0xF440
 #define SAPPHIRE_NAVI21_TOXIC_SUB_DEV1                  0xF441