diff --git a/device-types/Dell/PowerEdge_R640.yaml b/device-types/Dell/PowerEdge_R640.yaml
index fc5a72b0a..07931a7c8 100644
--- a/device-types/Dell/PowerEdge_R640.yaml
+++ b/device-types/Dell/PowerEdge_R640.yaml
@@ -4,6 +4,7 @@ model: PowerEdge R640
 slug: dell_poweredge_r640
 u_height: 1
 is_full_depth: true
+subdevice_role: parent
 console-ports:
   - name: Serial
     type: de-9
diff --git a/device-types/Lenovo/SR630.yaml b/device-types/Lenovo/SR630.yaml
index 9a9272445..0a64ff2ef 100644
--- a/device-types/Lenovo/SR630.yaml
+++ b/device-types/Lenovo/SR630.yaml
@@ -3,6 +3,8 @@ manufacturer: Lenovo
 model: SR630
 slug: SR630
 part_number: 7X02
+is_full_depth: true
+subdevice_role: parent
 interfaces:
   - name: XCC
     type: 1000base-t
diff --git a/device-types/Lenovo/SR650.yaml b/device-types/Lenovo/SR650.yaml
new file mode 100644
index 000000000..a92445095
--- /dev/null
+++ b/device-types/Lenovo/SR650.yaml
@@ -0,0 +1,16 @@
+---
+manufacturer: Lenovo
+model: SR650
+slug: SR650
+part_number: 7X06
+is_full_depth: true
+subdevice_role: parent
+interfaces:
+  - name: XCC
+    type: 1000base-t
+    mgmt_only: true
+power-ports:
+  - name: PSU0
+    type: iec-60320-c14
+  - name: PSU1
+    type: iec-60320-c14
diff --git a/device-types/Lenovo/ThinkSystem_AUKJ.yaml b/device-types/Lenovo/ThinkSystem_AUKJ.yaml
new file mode 100644
index 000000000..7477fe885
--- /dev/null
+++ b/device-types/Lenovo/ThinkSystem_AUKJ.yaml
@@ -0,0 +1,17 @@
+---
+manufacturer: Lenovo
+model: ThinkSystem 10Gb 2-port SFP+ LOM
+slug: thinksystem-10Gb-2SFPP
+part_number: 7ZT7A00546
+u_height: 0
+is_full_depth: false
+subdevice_role: child
+interfaces:
+  - name: "1"
+    label: "1"
+    type: 10gbase-x-sfpp
+    mgmt_only: false
+  - name: "2"
+    label: "2"
+    type: 10gbase-x-sfpp
+    mgmt_only: false
diff --git a/device-types/Lenovo/ThinkSystem_AUKK.yaml b/device-types/Lenovo/ThinkSystem_AUKK.yaml
new file mode 100644
index 000000000..734232010
--- /dev/null
+++ b/device-types/Lenovo/ThinkSystem_AUKK.yaml
@@ -0,0 +1,25 @@
+---
+manufacturer: Lenovo
+model: ThinkSystem 10Gb 4-port SFP+ LOM
+slug: thinksystem-10Gb-4SFPP
+part_number: 7ZT7A00547
+u_height: 0
+is_full_depth: false
+subdevice_role: child
+interfaces:
+  - name: "1"
+    label: "1"
+    type: 10gbase-x-sfpp
+    mgmt_only: false
+  - name: "2"
+    label: "2"
+    type: 10gbase-x-sfpp
+    mgmt_only: false
+  - name: "3"
+    label: "3"
+    type: 10gbase-x-sfpp
+    mgmt_only: false
+  - name: "4"
+    label: "4"
+    type: 10gbase-x-sfpp
+    mgmt_only: false