diff --git a/Arduino/System/BoardToolchain.cmake b/Arduino/System/BoardToolchain.cmake
index a1cb266..c25fece 100644
--- a/Arduino/System/BoardToolchain.cmake
+++ b/Arduino/System/BoardToolchain.cmake
@@ -52,6 +52,9 @@ function (SetupBoardToolchain boards_namespace board_id generate_dir)
 	string(TOUPPER "${pl_arch}" ARDUINO_BOARD_BUILD_ARCH)
 	_board_get_platform_property("/pl_path" ARDUINO_BOARD_RUNTIME_PLATFORM_PATH)
 
+	# Get board RAM size
+	_board_get_property("upload.maximum_data_size" board_ram_size)
+
 	# Inherit the platform.txt from the referenced platform. This gets
 	# overriden later, if the platform provides its own platform.txt.
 	_board_get_property("build.core" _prop_value  QUIET)
@@ -530,6 +533,7 @@ function (SetupBoardToolchain boards_namespace board_id generate_dir)
 	set(ARDUINO_BOARD_IDENTIFIER "${_short_id}")
 	set(ARDUINO_BOARD_NAME "${board_name}")
 	set(ARDUINO_GENERATE_DIR "${generate_dir}")
+	set(ARDUINO_BOARD_RAM_SIZE "${board_ram_size}")
 
 	set(templates_dir "${ARDUINO_TOOLCHAIN_DIR}/Arduino/Templates")
 	configure_file(
diff --git a/Arduino/Templates/ArduinoSystem.cmake.in b/Arduino/Templates/ArduinoSystem.cmake.in
index 73d974c..6b049fe 100644
--- a/Arduino/Templates/ArduinoSystem.cmake.in
+++ b/Arduino/Templates/ArduinoSystem.cmake.in
@@ -21,6 +21,7 @@ set(ARDUINO_CORE_SPECIFIC_PLATFORM_PATH "@ARDUINO_CORE_SPECIFIC_PLATFORM_PATH@")
 set(ARDUINO_BOARD_BUILD_CORE_PATH "@ARDUINO_BOARD_BUILD_CORE_PATH@")
 set(ARDUINO_BOARD_BUILD_VARIANT_PATH "@ARDUINO_BOARD_BUILD_VARIANT_PATH@")
 set(ARDUINO_BOARD_HOST_NAME "@ARDUINO_BOARD_HOST_NAME@")
+set(ARDUINO_BOARD_RAM_SIZE "@ARDUINO_BOARD_RAM_SIZE@")
 
 @ARDUINO_SEL_MENU_SET_LIST@