diff --git a/xyz/openbmc_project/Inventory/Item/PCIeSlot.interface.yaml b/xyz/openbmc_project/Inventory/Item/PCIeSlot.interface.yaml
new file mode 100644
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+++ b/xyz/openbmc_project/Inventory/Item/PCIeSlot.interface.yaml
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+description: >
+    This defines a PCIe slot to be exposed for system management.
+    It includes the slot properties.
+
+properties:
+    - name: Generation
+      type: enum[self.Generations]
+      default: 'Unknown'
+      description: >
+          The PCIe generation of the slot
+
+    - name: Lanes
+      type: size
+      description: >
+          The maximum number of PCIe lanes supported by the slot
+
+    - name: SlotType
+      type: enum[self.SlotTypes]
+      default: 'Unknown'
+      description: >
+          The type of the slot
+
+    - name: HotPluggable
+      type: boolean
+      description: >
+          Whether this PCIe slot supports hotplug
+
+enumerations:
+    - name: Generations
+      description: >
+          Possible PCIe generations
+      values:
+        - name: 'Gen1'
+          description: >
+              PCIe v1.0 slot
+
+        - name: 'Gen2'
+          description: >
+              PCIe v2.0 slot
+
+        - name: 'Gen3'
+          description: >
+              PCIe v3.0 slot
+
+        - name: 'Gen4'
+          description: >
+              PCIe v4.0 slot
+
+        - name: 'Gen5'
+          description: >
+              PCIe v5.0 slot
+
+        - name: 'Unknown'
+          description: >
+              Version of the PCIe slot is unknown
+
+    - name: SlotTypes
+      description: >
+          Possible types of a PCIe slot
+      values:
+        - name: 'FullLength'
+          description: >
+              Full-Length PCIe slot
+
+        - name: 'HalfLength'
+          description: >
+              Half-Length PCIe slot
+
+        - name: 'LowProfile'
+          description: >
+              Low-Profile or Slim PCIe slot
+
+        - name: 'Mini'
+          description: >
+              Mini PCIe slot
+
+        - name: 'M_2'
+          description: >
+              PCIe M.2 slot
+
+        - name: 'OEM'
+          description: >
+              An OEM-specific PCIe slot
+
+        - name: 'OCP3Small'
+          description: >
+              Open Compute Project 3.0 small form factor PCIe slot
+
+        - name: 'OCP3Large'
+          description: >
+              Open Compute Project 3.0 large form factor PCIe slot
+
+        - name: 'U_2'
+          description: >
+              U.2 / SFF-8639 PCIe slot or bay
+
+        - name: 'Unknown'
+          description: >
+              Type of the PCIe slot is unknown