diff --git a/src/soc/intel/alderlake/spd/lp4x_spd_manifest.generated.txt b/src/soc/intel/alderlake/spd/lp4x_spd_manifest.generated.txt
index bb15c0cba9..2511289968 100644
--- a/src/soc/intel/alderlake/spd/lp4x_spd_manifest.generated.txt
+++ b/src/soc/intel/alderlake/spd/lp4x_spd_manifest.generated.txt
@@ -22,3 +22,7 @@ NT6AP256T32AV-J1,lp4x-spd-6.hex
 MT53E1G32D4NQ-046 WT:E,lp4x-spd-3.hex
 MT53E2G32D4NQ-046 WT:A,lp4x-spd-7.hex
 MT53E512M32D1NP-046 WT:B,lp4x-spd-1.hex
+H54G46CYRBX267,lp4x-spd-1.hex
+H54G56CYRBX247,lp4x-spd-3.hex
+K4U6E3S4AB-MGCL,lp4x-spd-1.hex
+K4UBE3D4AB-MGCL,lp4x-spd-3.hex
diff --git a/util/spd_tools/lp4x/global_lp4x_mem_parts.json.txt b/util/spd_tools/lp4x/global_lp4x_mem_parts.json.txt
index 8df4472e82..68e241ac22 100644
--- a/util/spd_tools/lp4x/global_lp4x_mem_parts.json.txt
+++ b/util/spd_tools/lp4x/global_lp4x_mem_parts.json.txt
@@ -291,6 +291,54 @@
                 "ranksPerChannel": 1,
                 "speedMbps": 4267
             }
+        },
+        {
+            "name": "H54G46CYRBX267",
+            "attribs": {
+                "densityPerChannelGb": 8,
+                "banks": 8,
+                "channelsPerDie": 2,
+                "diesPerPackage": 1,
+                "bitWidthPerChannel": 16,
+                "ranksPerChannel": 1,
+                "speedMbps": 4267
+            }
+        },
+        {
+            "name": "H54G56CYRBX247",
+            "attribs": {
+                "densityPerChannelGb": 8,
+                "banks": 8,
+                "channelsPerDie": 2,
+                "diesPerPackage": 2,
+                "bitWidthPerChannel": 16,
+                "ranksPerChannel": 2,
+                "speedMbps": 4267
+            }
+        },
+        {
+            "name": "K4U6E3S4AB-MGCL",
+            "attribs": {
+                "densityPerChannelGb": 8,
+                "banks": 8,
+                "channelsPerDie": 2,
+                "diesPerPackage": 1,
+                "bitWidthPerChannel": 16,
+                "ranksPerChannel": 1,
+                "speedMbps": 4267
+            }
+        },
+        {
+            "name": "K4UBE3D4AB-MGCL",
+            "attribs": {
+                "densityPerChannelGb": 8,
+                "banks": 8,
+                "channelsPerDie": 2,
+                "diesPerPackage": 2,
+                "bitWidthPerChannel": 16,
+                "ranksPerChannel": 2,
+                "speedMbps": 4267
+            }
         }
     ]
 }