diff --git a/device-types/Fortinet/fortigate-7121f.yaml b/device-types/Fortinet/fortigate-7121f.yaml
new file mode 100644
index 000000000..b2ed304fd
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+++ b/device-types/Fortinet/fortigate-7121f.yaml
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+---
+manufacturer: Fortinet
+model: FortiGate 7121F
+slug: fortinet-fortigate-7121f
+part_number: FG-7121F
+u_height: 16.0
+is_full_depth: true
+airflow: front-to-rear
+weight: 97
+weight_unit: kg
+comments: >
+  FortiGate 7121F Handbook https://docs.fortinet.com/document/fortigate-7000/7.0.17/fortigate-7000f-handbook/956599/fortigate-7121f
+module-bays:
+  - name: FIM Slot 1
+    position: '1'
+  - name: FIM Slot 2
+    position: '2'
+  - name: FPM Slot 3
+    position: '3'
+  - name: FPM Slot 4
+    position: '4'
+  - name: FPM Slot 5
+    position: '5'
+  - name: FPM Slot 6
+    position: '6'
+  - name: FPM Slot 7
+    position: '7'
+  - name: FPM Slot 8
+    position: '8'
+  - name: FPM Slot 9
+    position: '9'
+  - name: FPM Slot 10
+    position: '10'
+  - name: FPM Slot 11
+    position: '11'
+  - name: FPM Slot 12
+    position: '12'
+  - name: PSU1
+    position: '1'
+  - name: PSU2
+    position: '2'
+  - name: PSU3
+    position: '3'
+  - name: PSU4
+    position: '4'
+  - name: PSU5
+    position: '5'
+  - name: PSU6
+    position: '6'