diff --git a/device-types/Dell/PowerEdge_M1000e.yaml b/device-types/Dell/PowerEdge_M1000e.yaml
new file mode 100644
index 00000000..f6e856d8
--- /dev/null
+++ b/device-types/Dell/PowerEdge_M1000e.yaml
@@ -0,0 +1,37 @@
+---
+manufacturer: Dell
+model: PowerEdge M1000e
+slug: poweredge-m1000e
+u_height: 10
+is_full_depth: true
+subdevice_role: parent
+power-ports:
+  - name: PSU1
+    type: iec-60320-c20
+  - name: PSU2
+    type: iec-60320-c20
+  - name: PSU3
+    type: iec-60320-c20
+  - name: PSU4
+    type: iec-60320-c20
+  - name: PSU5
+    type: iec-60320-c20
+  - name: PSU6
+    type: iec-60320-c20
+device-bays:
+  - name: Slot 1
+  - name: Slot 2
+  - name: Slot 3
+  - name: Slot 4
+  - name: Slot 5
+  - name: Slot 6
+  - name: Slot 7
+  - name: Slot 8
+  - name: Slot 9
+  - name: Slot 10
+  - name: Slot 11
+  - name: Slot 12
+  - name: Slot 13
+  - name: Slot 14
+  - name: Slot 15
+  - name: Slot 16
diff --git a/device-types/Solid Optics/SO-CHASSIS-MOD4.yml b/device-types/Solid Optics/SO-CHASSIS-MOD4.yml
new file mode 100644
index 00000000..6594b82c
--- /dev/null
+++ b/device-types/Solid Optics/SO-CHASSIS-MOD4.yml	
@@ -0,0 +1,14 @@
+---
+manufacturer: Solid Optics
+model: SO-CHASSIS-MOD4
+slug: so-chassis-mod4
+part_number: ''
+u_height: 1
+is_full_depth: false
+subdevice_role: parent
+comments: 4 Slot LGX Chassis 1RU, 19" Suitable for MOD4 Mux
+device-bays:
+  - name: Lower Left
+  - name: Lower Right
+  - name: Upper left
+  - name: Upper Right
diff --git a/device-types/Solid Optics/SO-MOD4-3xMPO-MMF-24xLC.yml b/device-types/Solid Optics/SO-MOD4-3xMPO-MMF-24xLC.yml
new file mode 100644
index 00000000..3e46425d
--- /dev/null
+++ b/device-types/Solid Optics/SO-MOD4-3xMPO-MMF-24xLC.yml	
@@ -0,0 +1,66 @@
+---
+manufacturer: Solid Optics
+model: SO-MOD4-3xMPO/MMF-24xLC
+slug: so-mod4-3xmpommf-24xlc
+u_height: 0
+is_full_depth: false
+subdevice_role: child
+front-ports:
+  - name: A1
+    type: lc
+    rear_port: A
+    rear_port_position: 1
+  - name: A2
+    type: lc
+    rear_port: A
+    rear_port_position: 2
+  - name: A3
+    type: lc
+    rear_port: A
+    rear_port_position: 3
+  - name: A4
+    type: lc
+    rear_port: A
+    rear_port_position: 4
+  - name: B1
+    type: lc
+    rear_port: B
+    rear_port_position: 1
+  - name: B2
+    type: lc
+    rear_port: B
+    rear_port_position: 2
+  - name: B3
+    type: lc
+    rear_port: B
+    rear_port_position: 3
+  - name: B4
+    type: lc
+    rear_port: B
+    rear_port_position: 4
+  - name: C1
+    type: lc
+    rear_port: C
+    rear_port_position: 1
+  - name: C2
+    type: lc
+    rear_port: C
+    rear_port_position: 2
+  - name: C3
+    type: lc
+    rear_port: C
+    rear_port_position: 3
+  - name: C4
+    type: lc
+    rear_port: C
+    rear_port_position: 4
+rear-ports:
+  - name: A
+    type: mpo
+    positions: 4
+  - name: B
+    type: mpo
+    positions: 4
+  - name: C
+    type: mpo
+    positions: 4