diff --git a/ramsize_213.sh b/ramsize_213.sh
new file mode 100644
index 0000000..bfea2da
--- /dev/null
+++ b/ramsize_213.sh
@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+# Issue 213
+
+dsm=7
+ram=yes
+Error=
+Off=
+synoinfo="/etc/synoinfo.conf"
+
+# Optionally set mem_max_mb to the amount of installed memory
+if [[ $dsm -gt "6" ]]; then  # DSM 6 as has no dmidecode
+    if [[ $ram == "yes" ]] && [[ -f /usr/sbin/dmidecode ]]; then
+        # Get total amount of installed memory
+        #IFS=$'\n' read -r -d '' -a array < <(dmidecode -t memory | grep "[Ss]ize")  # GitHub issue #86, 87
+        IFS=$'\n' read -r -d '' -a array < <(dmidecode -t memory |\
+            grep -E "[Ss]ize: [0-9]+ [MG]{1}[B]{1}$")  # GitHub issue #86, 87, 106
+        if [[ ${#array[@]} -gt "0" ]]; then
+            num="0"
+            while [[ $num -lt "${#array[@]}" ]]; do
+                check=$(printf %s "${array[num]}" | awk '{print $1}')
+                if [[ ${check,,} == "size:" ]]; then
+                    ramsize=$(printf %s "${array[num]}" | awk '{print $2}')           # GitHub issue #86, 87
+                    bytes=$(printf %s "${array[num]}" | awk '{print $3}')             # GitHub issue #86, 87
+                    if [[ $ramsize =~ ^[0-9]+$ ]]; then  # Check $ramsize is numeric  # GitHub issue #86, 87
+                        if [[ $bytes == "GB" ]]; then    # DSM 7.2 dmidecode returned GB
+                            ramsize=$((ramsize * 1024))  # Convert to MB              # GitHub issue #107
+                        fi
+                        if [[ $ramtotal ]]; then
+                            ramtotal=$((ramtotal +ramsize))
+                        else
+                            ramtotal="$ramsize"
+                        fi
+                    fi
+                fi
+                num=$((num +1))
+            done
+        fi
+        # Set mem_max_mb to the amount of installed memory
+        setting="$(/usr/syno/bin/synogetkeyvalue "$synoinfo" mem_max_mb)"
+        settingbak="$(/usr/syno/bin/synogetkeyvalue "${synoinfo}".bak mem_max_mb)"    # GitHub issue #107
+
+echo "ramtotal:    $ramtotal"
+echo "setting:     $setting"
+echo "settingbak:  $settingbak"
+
+        if [[ $ramtotal =~ ^[0-9]+$ ]]; then   # Check $ramtotal is numeric
+            if [[ $ramtotal -gt "$setting" ]]; then
+
+echo "ramtotal -gt setting"
+
+            elif [[ $setting -gt "$ramtotal" ]] && [[ $setting -gt "$settingbak" ]];  # GitHub issue #107 
+            then
+
+echo "setting -gt ramtotal and setting -gt settingbak"
+
+            elif [[ $ramtotal == "$setting" ]]; then
+
+echo "ramtotal == setting"
+
+            else [[ $ramtotal -lt "$setting" ]]
+
+echo "ramtotal -lt setting"
+
+            fi
+
+        else
+            echo -e "\n${Error}ERROR${Off} Total memory size is not numeric: '$ramtotal'"
+        fi
+    fi
+fi
+