diff --git a/device-types/Netgate/1537-Security-Gateway.yaml b/device-types/Netgate/1537-Security-Gateway.yaml
new file mode 100644
index 00000000..e17d5190
--- /dev/null
+++ b/device-types/Netgate/1537-Security-Gateway.yaml
@@ -0,0 +1,33 @@
+---
+manufacturer: Netgate
+model: 1537 Security Gateway
+slug: netgate-1537-security-gateway
+part_number: xg-1537
+u_height: 1
+weight: 3.54
+weight_unit: kg
+is_full_depth: false
+airflow: front-to-rear
+power-ports:
+  - name: psu
+    type: iec-60320-c14
+interfaces:
+  - name: ix0
+    type: 10gbase-x-sfpp
+    label: OPT1
+  - name: ix1
+    type: 10gbase-x-sfpp
+    label: OPT2
+  - name: igb0
+    type: 1000base-t
+    label: WAN
+  - name: igb1
+    type: 1000base-t
+    label: LAN
+  - name: ipmi
+    type: 1000base-t
+    mgmt_only: true
+module-bays:
+  - name: Slot 1
+    position: '1'
+    description: 4-port 1GbE Supermicro AOC-SGP-i4, 4-port 10GbE Intel X710BM2, 2-port 10GbE Chelsio T520-CR, 2-port 10GbE Intel X710BM2
diff --git a/module-types/Supermicro/AOC-SGP-i4.yaml b/module-types/Supermicro/AOC-SGP-i4.yaml
new file mode 100644
index 00000000..70b6b3ad
--- /dev/null
+++ b/module-types/Supermicro/AOC-SGP-i4.yaml
@@ -0,0 +1,14 @@
+---
+manufacturer: Supermicro
+model: AOC-SGP-i4
+part_number: AOC-SGP-i4
+comments: https://www.supermicro.com/manuals/other/AOC-SGP-i4.pdf
+interfaces:
+  - name: Gig-E 1
+    type: 1000base-t
+  - name: Gig-E 2
+    type: 1000base-t
+  - name: Gig-E 3
+    type: 1000base-t
+  - name: Gig-E 4
+    type: 1000base-t