diff --git a/platformio.ini b/platformio.ini
index 16a535f5f7..949068dc33 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -1650,6 +1650,29 @@ lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compila
 ; RAM:   [===       ]  25.5% (used 83400 bytes from 327680 bytes)
 ; Flash: [==========]  97.3% (used 1530013 bytes from 1572864 bytes)
 
+[env:esp32_4MB_V4_S_eth]
+extends = esp32_4MB_V4_S_base
+build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
+  -D WLED_RELEASE_NAME=esp32_4MB_V4_S
+  -D WLED_WATCHDOG_TIMEOUT=0 #-D WLED_DISABLE_BROWNOUT_DET
+  -D ARDUINO_USB_CDC_ON_BOOT=0 ; needed for arduino-esp32 >=2.0.4; avoids errors on startup
+  -D WLEDMM_FASTPATH ; WLEDMM experimental option. Reduces audio lag (latency), and allows for faster LED framerates. May break compatibility with previous versions.
+  -D WLEDMM_SAVE_FLASH
+  -D WLED_DISABLE_LOXONE
+  -D WLED_DISABLE_ALEXA
+  -D WLED_DISABLE_HUESYNC
+  -D WLED_DISABLE_MQTT
+  -D WLED_DISABLE_INFRARED
+  ; -D WLED_DEBUG
+  ; -D SR_DEBUG
+  ; -D MIC_LOGGER
+  ${common_mm.HUB75_build_flags}
+  -D WLED_USE_ETHERNET
+  -D WLED_DISABLE_ESPNOW ;; ESP-NOW requires wifi, may crash with ethernet only
+lib_deps = ${esp32_4MB_V4_S_base.esp32_lib_deps}
+    ${common_mm.HUB75_lib_deps}
+lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
+
 ;; softhack007: my favourite HUB75 buildenv - fastest possible
 [env:esp32_4MB_V4_HUB75_forum]
 extends = esp32_4MB_V4_S_base