diff --git a/src/flash/nor/stm32f2x.c b/src/flash/nor/stm32f2x.c
index 41973e652..eab19348c 100644
--- a/src/flash/nor/stm32f2x.c
+++ b/src/flash/nor/stm32f2x.c
@@ -779,6 +779,9 @@ static int stm32x_probe(struct flash_bank *bank)
 	case 0x423:
 		max_flash_size_in_kb = 256;
 		break;
+	case 0x433:
+		max_flash_size_in_kb = 512;
+		break;
 	default:
 		LOG_WARNING("Cannot identify target as a STM32 family.");
 		return ERROR_FAIL;
@@ -927,6 +930,7 @@ static int get_stm32x_info(struct flash_bank *bank, char *buf, int buf_size)
 		break;
 
 	case 0x423:
+	case 0x433:
 		device_str = "STM32F4xx (Low Power)";
 
 		switch (rev_id) {