diff --git a/MdePkg/Include/IndustryStandard/SmBios.h b/MdePkg/Include/IndustryStandard/SmBios.h
index 020733b777..d82d04b595 100644
--- a/MdePkg/Include/IndustryStandard/SmBios.h
+++ b/MdePkg/Include/IndustryStandard/SmBios.h
@@ -706,6 +706,7 @@ typedef enum {
   ProcessorFamilyIntelCoreI5                     = 0xCD,
   ProcessorFamilyIntelCoreI3                     = 0xCE,
   ProcessorFamilyIntelCoreI9                     = 0xCF,
+  ProcessorFamilyIntelXeonD                      = 0xD0,  /// Smbios spec 3.8 updated this value
   ProcessorFamilyViaC7M                          = 0xD2,
   ProcessorFamilyViaC7D                          = 0xD3,
   ProcessorFamilyViaC7                           = 0xD4,
@@ -887,7 +888,8 @@ typedef enum {
   ProcessorUpgradeSocketBGA2551   = 0x54,
   ProcessorUpgradeSocketLGA1851   = 0x55,
   ProcessorUpgradeSocketBGA2114   = 0x56,
-  ProcessorUpgradeSocketBGA2833   = 0x57
+  ProcessorUpgradeSocketBGA2833   = 0x57,
+  ProcessorUpgradeInvalid         = 0xFF
 } PROCESSOR_UPGRADE;
 
 ///
@@ -1020,6 +1022,10 @@ typedef struct {
   // Add for smbios 3.6
   //
   UINT16                 ThreadEnabled;
+  //
+  // Add for smbios 3.8
+  //
+  SMBIOS_TABLE_STRING    SocketType;
 } SMBIOS_TABLE_TYPE4;
 
 ///
@@ -1524,7 +1530,7 @@ typedef struct {
   UINT8    AsyncSurpriseRemoval    : 1;
   UINT8    FlexbusSlotCxl10Capable : 1;
   UINT8    FlexbusSlotCxl20Capable : 1;
-  UINT8    Reserved                : 1; ///< Set to 0.
+  UINT8    FlexbusSlotCxl30Capable : 1; /// SMBIOS spec 3.7.0 updated CXL 3.0 support
 } MISC_SLOT_CHARACTERISTICS2;
 
 ///
@@ -2027,6 +2033,13 @@ typedef struct {
   //
   UINT32                                     ExtendedSpeed;
   UINT32                                     ExtendedConfiguredMemorySpeed;
+  //
+  // Add for smbios 3.7.0
+  //
+  UINT16                                     Pmic0ManufacturerID;
+  UINT16                                     Pmic0RevisionNumber;
+  UINT16                                     RcdManufacturerID;
+  UINT16                                     RcdRevisionNumber;
 } SMBIOS_TABLE_TYPE17;
 
 ///