diff --git a/device-types/Extreme Networks/X440-G2-48p-10GE4.yaml b/device-types/Extreme Networks/X440-G2-48p-10GE4.yaml
new file mode 100644
index 000000000..3a8657577
--- /dev/null
+++ b/device-types/Extreme Networks/X440-G2-48p-10GE4.yaml	
@@ -0,0 +1,233 @@
+---
+manufacturer: Extreme Networks
+model: X440-G2-48p-10GE4
+slug: extreme-networks-x440-g2-48p-10ge4
+part_number: '16535'
+u_height: 1
+is_full_depth: false
+airflow: left-to-right
+comments: '[Extreme Networks X440-G2 Technical Specifications](https://www.extremenetworks.com/product/x440-g2/)'
+weight: 6600
+weight_unit: g
+console-ports:
+  - name: Console
+    type: rj-45
+power-ports:
+  - name: PSU1
+    type: iec-60320-c14
+    maximum_draw: 961
+  - name: RPS1
+    type: dc-terminal
+    description: Redundant Power Supply
+interfaces:
+  - name: Mgmt-port
+    type: 1000base-t
+    mgmt_only: true
+  - name: '1'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '2'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '3'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '4'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '5'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '6'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '7'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '8'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '9'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '10'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '11'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '12'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '13'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '14'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '15'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '16'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '17'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '18'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '19'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '20'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '21'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '22'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '23'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '24'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '25'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '26'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '27'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '28'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '29'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '30'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '31'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '32'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '33'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '34'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '35'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '36'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '37'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '38'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '39'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '40'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '41'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '42'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '43'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '44'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '45'
+    type: 1000base-x-sfp
+    description: Combo Port (either SFP or 1000BASE-T)
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '46'
+    type: 1000base-x-sfp
+    description: Combo Port (either SFP or 1000BASE-T)
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '47'
+    type: 1000base-x-sfp
+    description: Combo Port (either SFP or 1000BASE-T)
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '48'
+    type: 1000base-x-sfp
+    description: Combo Port (either SFP or 1000BASE-T)
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '49'
+    type: 10gbase-x-sfpp
+    description: either Stacking-Ports or additional SFP+
+  - name: '50'
+    type: 10gbase-x-sfpp
+    description: either Stacking-Ports or additional SFP+
+  - name: '51'
+    type: 10gbase-x-sfpp
+    description: Combo Port (either SFP+ or 10GBASE-T)
+  - name: '52'
+    type: 10gbase-x-sfpp
+    description: Combo Port (either SFP+ or 10GBASE-T)