diff --git a/MdePkg/Include/IndustryStandard/Acpi62.h b/MdePkg/Include/IndustryStandard/Acpi62.h
index 313db63044..836e986ee5 100644
--- a/MdePkg/Include/IndustryStandard/Acpi62.h
+++ b/MdePkg/Include/IndustryStandard/Acpi62.h
@@ -1486,6 +1486,7 @@ typedef struct {
 #define EFI_ACPI_6_2_NFIT_NVDIMM_CONTROL_REGION_STRUCTURE_TYPE            4
 #define EFI_ACPI_6_2_NFIT_NVDIMM_BLOCK_DATA_WINDOW_REGION_STRUCTURE_TYPE  5
 #define EFI_ACPI_6_2_NFIT_FLUSH_HINT_ADDRESS_STRUCTURE_TYPE               6
+#define EFI_ACPI_6_2_NFIT_PLATFORM_CAPABILITIES_STRUCTURE_TYPE            7
 
 //
 // Definition for NFIT Structure Header
@@ -1638,6 +1639,18 @@ typedef struct {
   // UINT64                                      FlushHintAddress[NumberOfFlushHintAddresses];
 } EFI_ACPI_6_2_NFIT_FLUSH_HINT_ADDRESS_STRUCTURE;
 
+//
+// Definition for Platform Capabilities Structure
+//
+typedef struct {
+  UINT16    Type;
+  UINT16    Length;
+  UINT8     HighestValidCapability;
+  UINT8     Reserved_5[3];
+  UINT32    Capabilities;
+  UINT8     Reserved_12[4];
+} EFI_ACPI_6_2_NFIT_PLATFORM_CAPABILITIES_STRUCTURE;
+
 ///
 /// Secure DEVices Table (SDEV)
 ///
diff --git a/MdePkg/Include/IndustryStandard/Acpi63.h b/MdePkg/Include/IndustryStandard/Acpi63.h
index b1e9d5db5b..15a30d8808 100644
--- a/MdePkg/Include/IndustryStandard/Acpi63.h
+++ b/MdePkg/Include/IndustryStandard/Acpi63.h
@@ -1450,6 +1450,7 @@ typedef struct {
 #define EFI_ACPI_6_3_NFIT_NVDIMM_CONTROL_REGION_STRUCTURE_TYPE            4
 #define EFI_ACPI_6_3_NFIT_NVDIMM_BLOCK_DATA_WINDOW_REGION_STRUCTURE_TYPE  5
 #define EFI_ACPI_6_3_NFIT_FLUSH_HINT_ADDRESS_STRUCTURE_TYPE               6
+#define EFI_ACPI_6_3_NFIT_PLATFORM_CAPABILITIES_STRUCTURE_TYPE            7
 
 //
 // Definition for NFIT Structure Header
@@ -1602,6 +1603,18 @@ typedef struct {
   // UINT64                                      FlushHintAddress[NumberOfFlushHintAddresses];
 } EFI_ACPI_6_3_NFIT_FLUSH_HINT_ADDRESS_STRUCTURE;
 
+//
+// Definition for Platform Capabilities Structure
+//
+typedef struct {
+  UINT16    Type;
+  UINT16    Length;
+  UINT8     HighestValidCapability;
+  UINT8     Reserved_5[3];
+  UINT32    Capabilities;
+  UINT8     Reserved_12[4];
+} EFI_ACPI_6_3_NFIT_PLATFORM_CAPABILITIES_STRUCTURE;
+
 ///
 /// Secure DEVices Table (SDEV)
 ///
diff --git a/MdePkg/Include/IndustryStandard/Acpi64.h b/MdePkg/Include/IndustryStandard/Acpi64.h
index 232697f228..c1d8b14c44 100644
--- a/MdePkg/Include/IndustryStandard/Acpi64.h
+++ b/MdePkg/Include/IndustryStandard/Acpi64.h
@@ -1493,6 +1493,7 @@ typedef struct {
 #define EFI_ACPI_6_4_NFIT_NVDIMM_CONTROL_REGION_STRUCTURE_TYPE            4
 #define EFI_ACPI_6_4_NFIT_NVDIMM_BLOCK_DATA_WINDOW_REGION_STRUCTURE_TYPE  5
 #define EFI_ACPI_6_4_NFIT_FLUSH_HINT_ADDRESS_STRUCTURE_TYPE               6
+#define EFI_ACPI_6_4_NFIT_PLATFORM_CAPABILITIES_STRUCTURE_TYPE            7
 
 //
 // Definition for NFIT Structure Header
@@ -1651,6 +1652,18 @@ typedef struct {
   // UINT64                                      FlushHintAddress[NumberOfFlushHintAddresses];
 } EFI_ACPI_6_4_NFIT_FLUSH_HINT_ADDRESS_STRUCTURE;
 
+//
+// Definition for Platform Capabilities Structure
+//
+typedef struct {
+  UINT16    Type;
+  UINT16    Length;
+  UINT8     HighestValidCapability;
+  UINT8     Reserved_5[3];
+  UINT32    Capabilities;
+  UINT8     Reserved_12[4];
+} EFI_ACPI_6_4_NFIT_PLATFORM_CAPABILITIES_STRUCTURE;
+
 ///
 /// Secure DEVices Table (SDEV)
 ///