diff --git a/device-types/Extreme Networks/5520-12MW-36W-FabricEngine.yaml b/device-types/Extreme Networks/5520-12MW-36W-FabricEngine.yaml
new file mode 100644
index 000000000..1da7d36c5
--- /dev/null
+++ b/device-types/Extreme Networks/5520-12MW-36W-FabricEngine.yaml	
@@ -0,0 +1,217 @@
+---
+manufacturer: Extreme Networks
+model: 5520-12MW-36W-FabricEngine
+slug: extreme-networks-5520-12mw-36w-fabricengine
+part_number: 5520-12MW-36W-FabricEngine
+u_height: 1.0
+is_full_depth: true
+weight: 6330
+weight_unit: g
+comments: '[5520-12MW-36W Datasheet](https://cloud.kapostcontent.net/pub/77abf982-0f20-4050-a5e9-55220fa16715/extremeswitching-5520-series-data-sheet-1)'
+console-ports:
+  - name: Console
+    type: rj-45
+  - name: usb
+    type: usb-micro-b
+interfaces:
+  - name: 1/1
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/2
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/3
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/4
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/5
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/6
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/7
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/8
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/9
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/10
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/11
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/12
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/13
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/14
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/15
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/16
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/17
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/18
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/19
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/20
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/21
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/22
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/23
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/24
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/25
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/26
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/27
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/28
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/29
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/30
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/31
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/32
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/33
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/34
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/35
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/36
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/37
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/38
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/39
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/40
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/41
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/42
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/43
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/44
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/45
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/46
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/47
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: 1/48
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+  - name: mgmt
+    type: 1000base-t
+    mgmt_only: true
+module-bays:
+  - name: 5520-VIM-4
+  - name: Ps#1
+    position: '1'
+  - name: Ps#2
+    position: '2'
diff --git a/module-types/Extreme Networks/5520-VIM-4YE-FabricEngine.yaml b/module-types/Extreme Networks/5520-VIM-4YE-FabricEngine.yaml
new file mode 100644
index 000000000..7421e94b9
--- /dev/null
+++ b/module-types/Extreme Networks/5520-VIM-4YE-FabricEngine.yaml	
@@ -0,0 +1,20 @@
+---
+manufacturer: Extreme Networks
+model: 5520-VIM-4YE-FabricEngine
+part_number: 5520-VIM-4YE
+comments: 4 x 10/25Gbase-X SFP28 ports (unpopulated)
+weight: 210
+weight_unit: g
+interfaces:
+  - name: 2/1
+    type: 25gbase-x-sfp28
+    mgmt_only: false
+  - name: 2/2
+    type: 25gbase-x-sfp28
+    mgmt_only: false
+  - name: 2/3
+    type: 25gbase-x-sfp28
+    mgmt_only: false
+  - name: 2/4
+    type: 25gbase-x-sfp28
+    mgmt_only: false
diff --git a/module-types/Extreme Networks/XN-ACPWR-1100W-FB.yaml b/module-types/Extreme Networks/XN-ACPWR-1100W-FB.yaml
new file mode 100644
index 000000000..d05979252
--- /dev/null
+++ b/module-types/Extreme Networks/XN-ACPWR-1100W-FB.yaml	
@@ -0,0 +1,11 @@
+---
+manufacturer: Extreme Networks
+model: XN-ACPWR-1100W-FB
+part_number: XN-ACPWR-1100W-FB
+comments: 1100W front to back PSU
+weight: 1160
+weight_unit: g
+power-ports:
+  - name: Ps#{module}
+    type: iec-60320-c16
+    maximum_draw: 1100