diff --git a/wled00/data/index.js b/wled00/data/index.js
index 84b25618..168a5e2a 100644
--- a/wled00/data/index.js
+++ b/wled00/data/index.js
@@ -3443,7 +3443,8 @@ function reportUpgradeEvent(info, oldVersion) {
 			};
 
 			// Add optional fields if available
-			if (infoData.psram !== undefined) upgradeData.psramSize = Math.round(infoData.psram / (1024 * 1024));  // convert bytes to MB
+			if (infoData.psramPresent !== undefined) upgradeData.psramPresent = infoData.psramPresent;  // Whether device has PSRAM
+			if (infoData.psramSize !== undefined) upgradeData.psramSize = infoData.psramSize;  // Total PSRAM size in MB
 			// Note: partitionSizes not currently available in /json/info endpoint
 
 			// Make AJAX call to postUpgradeEvent API
diff --git a/wled00/json.cpp b/wled00/json.cpp
index 08468df5..f2308013 100644
--- a/wled00/json.cpp
+++ b/wled00/json.cpp
@@ -839,8 +839,16 @@ void serializeInfo(JsonObject root)
 #endif
 
   root[F("freeheap")] = getFreeHeapSize();
-  #if defined(BOARD_HAS_PSRAM)
-  root[F("psram")] = ESP.getFreePsram();
+  #ifdef ARDUINO_ARCH_ESP32
+  // Report PSRAM information
+  bool hasPsram = psramFound();
+  root[F("psramPresent")] = hasPsram;
+  if (hasPsram) {
+    #if defined(BOARD_HAS_PSRAM)
+    root[F("psram")] = ESP.getFreePsram(); // Free PSRAM in bytes (backward compatibility)
+    #endif
+    root[F("psramSize")] = ESP.getPsramSize() / (1024UL * 1024UL); // Total PSRAM size in MB
+  }
   #endif
   root[F("uptime")] = millis()/1000 + rolloverMillis*4294967;