diff --git a/device-types/Fortinet/FG-3400E.yaml b/device-types/Fortinet/FG-3400E.yaml
new file mode 100644
index 00000000..c80dc06c
--- /dev/null
+++ b/device-types/Fortinet/FG-3400E.yaml
@@ -0,0 +1,84 @@
+---
+manufacturer: Fortinet
+model: FortiGate 3400E
+part_number: FG-3400E
+slug: fortinet-fg-3400e
+is_full_depth: true
+u_height: 2
+airflow: front-to-rear
+weight: 19.5
+weight_unit: kg
+comments: '[Fortinet FortiGate 3400E Data Sheet](https://www.fortinet.com/content/dam/fortinet/assets/data-sheets/FortiGate_3400E.pdf)'
+console-ports:
+  - name: Console
+    type: rj-45
+  - name: usbmgmt
+    type: usb-a
+module-bays:
+  - name: PS1
+    position: '1'
+  - name: PS2
+    position: '2'
+interfaces:
+  - name: mgmt1
+    type: 1000base-t
+    mgmt_only: true
+  - name: mgmt2
+    type: 1000base-t
+    mgmt_only: true
+  - name: ha1
+    type: 25gbase-x-sfp28
+  - name: ha2
+    type: 25gbase-x-sfp28
+  - name: port1
+    type: 25gbase-x-sfp28
+  - name: port2
+    type: 25gbase-x-sfp28
+  - name: port3
+    type: 25gbase-x-sfp28
+  - name: port4
+    type: 25gbase-x-sfp28
+  - name: port5
+    type: 25gbase-x-sfp28
+  - name: port6
+    type: 25gbase-x-sfp28
+  - name: port7
+    type: 25gbase-x-sfp28
+  - name: port8
+    type: 25gbase-x-sfp28
+  - name: port9
+    type: 25gbase-x-sfp28
+  - name: port10
+    type: 25gbase-x-sfp28
+  - name: port11
+    type: 25gbase-x-sfp28
+  - name: port12
+    type: 25gbase-x-sfp28
+  - name: port13
+    type: 25gbase-x-sfp28
+  - name: port14
+    type: 25gbase-x-sfp28
+  - name: port15
+    type: 25gbase-x-sfp28
+  - name: port16
+    type: 25gbase-x-sfp28
+  - name: port17
+    type: 25gbase-x-sfp28
+  - name: port18
+    type: 25gbase-x-sfp28
+  - name: port19
+    type: 25gbase-x-sfp28
+  - name: port20
+    type: 25gbase-x-sfp28
+  - name: port21
+    type: 25gbase-x-sfp28
+  - name: port22
+    type: 25gbase-x-sfp28
+  - name: port23
+    type: 100gbase-x-qsfp28
+  - name: port24
+    type: 100gbase-x-qsfp28
+  - name: port25
+    type: 100gbase-x-qsfp28
+  - name: port26
+    type: 100gbase-x-qsfp28