diff --git a/platformio.ini b/platformio.ini
index 43d44e947..d7ed06eda 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -42,6 +42,7 @@ default_envs = nodemcuv2, esp8266_2m, esp01_1m_full, esp32dev, esp32_eth, esp32d
 ; default_envs = esp32s2_saola
 ; default_envs = esp32c3dev
 ; default_envs = lolin_s2_mini
+; default_envs = esp32s3dev_16MB_PSRAM_opi
 
 src_dir  = ./wled00
 data_dir = ./wled00/data
@@ -524,6 +525,11 @@ board_build.f_flash = 80000000L
 board_build.flash_mode = qio
 monitor_filters = esp32_exception_decoder
 
+[env:esp32s3dev_16MB_PSRAM_opi]
+extends = env:esp32s3dev_8MB_PSRAM_opi
+board_build.partitions = tools/WLED_ESP32_16MB.csv
+board_upload.flash_size = 16MB
+
 [env:esp32s3dev_8MB_PSRAM_qspi]
 ;; ESP32-TinyS3 development board, with 8MB FLASH and PSRAM (memory_type: qio_qspi)
 extends = env:esp32s3dev_8MB_PSRAM_opi