diff --git a/modules/monitoring.nix b/modules/monitoring.nix
index e9212fc..e5b13f1 100644
--- a/modules/monitoring.nix
+++ b/modules/monitoring.nix
@@ -206,6 +206,8 @@
             echo "# TYPE smart_sas_read_uncorrected counter"
             echo "# HELP smart_sas_write_uncorrected Uncorrected write errors"
             echo "# TYPE smart_sas_write_uncorrected counter"
+            echo "# HELP smart_sas_info Drive identification (vendor/product/revision/serial as labels)"
+            echo "# TYPE smart_sas_info gauge"
             for dev in /dev/sd?; do
               [ -b "$dev" ] || continue
               out=$(/run/wrappers/bin/sudo ${pkgs.smartmontools}/bin/smartctl -a "$dev" 2>/dev/null) || continue
@@ -219,12 +221,17 @@
               pd=$(echo "$out" | ${pkgs.gnugrep}/bin/grep "Pending defect count" | ${pkgs.gnused}/bin/sed 's/.*count:\([0-9]*\).*/\1/')
               ru=$(echo "$out" | ${pkgs.gnugrep}/bin/grep -A1 "^read:" | ${pkgs.coreutils}/bin/head -1 | ${pkgs.gawk}/bin/awk '{print $NF}')
               wu=$(echo "$out" | ${pkgs.gnugrep}/bin/grep -A1 "^write:" | ${pkgs.coreutils}/bin/head -1 | ${pkgs.gawk}/bin/awk '{print $NF}')
+              vendor=$(echo "$out" | ${pkgs.gnugrep}/bin/grep "^Vendor:" | ${pkgs.gnused}/bin/sed 's/^Vendor:[[:space:]]*//;s/[[:space:]]*$//')
+              product=$(echo "$out" | ${pkgs.gnugrep}/bin/grep "^Product:" | ${pkgs.gnused}/bin/sed 's/^Product:[[:space:]]*//;s/[[:space:]]*$//')
+              rev=$(echo "$out" | ${pkgs.gnugrep}/bin/grep "^Revision:" | ${pkgs.gnused}/bin/sed 's/^Revision:[[:space:]]*//;s/[[:space:]]*$//')
+              serial=$(echo "$out" | ${pkgs.gnugrep}/bin/grep "^Serial number:" | ${pkgs.gnused}/bin/sed 's/^Serial number:[[:space:]]*//;s/[[:space:]]*$//')
               [ -n "''${poh:-}" ] && echo "smart_sas_power_on_hours{device=\"$name\"} $poh"
               [ -n "''${gd:-}" ] && echo "smart_sas_grown_defects{device=\"$name\"} $gd"
               [ -n "''${nm:-}" ] && echo "smart_sas_non_medium_errors{device=\"$name\"} $nm"
               [ -n "''${pd:-}" ] && echo "smart_sas_pending_defects{device=\"$name\"} $pd"
               [ -n "''${ru:-}" ] && echo "smart_sas_read_uncorrected{device=\"$name\"} $ru"
               [ -n "''${wu:-}" ] && echo "smart_sas_write_uncorrected{device=\"$name\"} $wu"
+              echo "smart_sas_info{device=\"$name\",vendor=\"''${vendor:-?}\",product=\"''${product:-?}\",revision=\"''${rev:-?}\",serial=\"''${serial:-?}\"} 1"
             done
           } > "$TMP_SAS"
           chmod 0644 "$TMP_SAS"