diff --git a/device-types/Extreme Networks/X450e-24p.yaml b/device-types/Extreme Networks/X450e-24p.yaml
new file mode 100644
index 000000000..f9c1ac101
--- /dev/null
+++ b/device-types/Extreme Networks/X450e-24p.yaml	
@@ -0,0 +1,109 @@
+---
+manufacturer: Extreme Networks
+model: X450e-24p
+slug: extreme-networks-x450e-24p
+u_height: 1
+is_full_depth: false
+weight: 6.4
+weight_unit: kg
+airflow: right-to-left
+comments: '[Extreme Networks X450e-24p Datasheet](https://documentation.extremenetworks.com/summit_16/GUID-3488287E-F39D-4870-8FA9-C575EFECF14E.shtml)'
+power-ports:
+  - name: C14
+    type: iec-60320-c14
+    maximum_draw: 54
+console-ports:
+  - name: Serial console port
+    type: de-9
+interfaces:
+  - 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-x-sfp
+  - name: '22'
+    type: 1000base-x-sfp
+  - name: '23'
+    type: 1000base-x-sfp
+  - name: '24'
+    type: 1000base-x-sfp
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true
diff --git a/device-types/Extreme Networks/X450e-24t.yaml b/device-types/Extreme Networks/X450e-24t.yaml
new file mode 100644
index 000000000..d96184a4d
--- /dev/null
+++ b/device-types/Extreme Networks/X450e-24t.yaml	
@@ -0,0 +1,69 @@
+---
+manufacturer: Extreme Networks
+model: X450e-24t
+slug: extreme-networks-x450e-24t
+u_height: 1
+is_full_depth: false
+weight: 5.4
+weight_unit: kg
+airflow: right-to-left
+comments: '[Extreme Networks X450e-24t Datasheet](https://documentation.extremenetworks.com/summit_16/GUID-04CDE14E-872A-4E5F-8C25-D44F2A54C21C.shtml)'
+power-ports:
+  - name: C14
+    type: iec-60320-c14
+    maximum_draw: 52
+console-ports:
+  - name: Serial console port
+    type: de-9
+interfaces:
+  - name: '1'
+    type: 1000base-t
+  - name: '2'
+    type: 1000base-t
+  - name: '3'
+    type: 1000base-t
+  - name: '4'
+    type: 1000base-t
+  - name: '5'
+    type: 1000base-t
+  - name: '6'
+    type: 1000base-t
+  - name: '7'
+    type: 1000base-t
+  - name: '8'
+    type: 1000base-t
+  - name: '9'
+    type: 1000base-t
+  - name: '10'
+    type: 1000base-t
+  - name: '11'
+    type: 1000base-t
+  - name: '12'
+    type: 1000base-t
+  - name: '13'
+    type: 1000base-t
+  - name: '14'
+    type: 1000base-t
+  - name: '15'
+    type: 1000base-t
+  - name: '16'
+    type: 1000base-t
+  - name: '17'
+    type: 1000base-t
+  - name: '18'
+    type: 1000base-t
+  - name: '19'
+    type: 1000base-t
+  - name: '20'
+    type: 1000base-t
+  - name: '21'
+    type: 1000base-x-sfp
+  - name: '22'
+    type: 1000base-x-sfp
+  - name: '23'
+    type: 1000base-x-sfp
+  - name: '24'
+    type: 1000base-x-sfp
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true
diff --git a/device-types/Extreme Networks/X450e-48p.yaml b/device-types/Extreme Networks/X450e-48p.yaml
new file mode 100644
index 000000000..babc1b9e3
--- /dev/null
+++ b/device-types/Extreme Networks/X450e-48p.yaml	
@@ -0,0 +1,205 @@
+---
+manufacturer: Extreme Networks
+model: X450e-48p
+slug: extreme-networks-x450e-48p
+u_height: 1
+is_full_depth: false
+weight: 7.4
+weight_unit: kg
+airflow: right-to-left
+comments: '[Extreme Networks X450e-48p Datasheet](https://documentation.extremenetworks.com/summit_16/GUID-E4A084AB-FAC8-4A09-9451-6F72854D769B.shtml)'
+power-ports:
+  - name: C14
+    type: iec-60320-c14
+    maximum_draw: 507
+console-ports:
+  - name: Serial console port
+    type: de-9
+interfaces:
+  - 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
+  - name: '46'
+    type: 1000base-x-sfp
+  - name: '47'
+    type: 1000base-x-sfp
+  - name: '48'
+    type: 1000base-x-sfp
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true
diff --git a/device-types/Extreme Networks/X450e-48t.yaml b/device-types/Extreme Networks/X450e-48t.yaml
new file mode 100644
index 000000000..ce21bac7e
--- /dev/null
+++ b/device-types/Extreme Networks/X450e-48t.yaml	
@@ -0,0 +1,117 @@
+---
+manufacturer: Extreme Networks
+model: X450e-48t
+slug: extreme-networks-x450e-48t
+u_height: 1
+is_full_depth: false
+weight: 7.14
+weight_unit: kg
+airflow: right-to-left
+comments: '[Extreme Networks X450e-48t Datasheet](https://documentation.extremenetworks.com/summit_16/GUID-6EAE7B75-C382-47C8-9DBD-61CA4C991A39.shtml)'
+power-ports:
+  - name: C14
+    type: iec-60320-c14
+    maximum_draw: 94
+console-ports:
+  - name: Serial console port
+    type: de-9
+interfaces:
+  - name: '1'
+    type: 1000base-t
+  - name: '2'
+    type: 1000base-t
+  - name: '3'
+    type: 1000base-t
+  - name: '4'
+    type: 1000base-t
+  - name: '5'
+    type: 1000base-t
+  - name: '6'
+    type: 1000base-t
+  - name: '7'
+    type: 1000base-t
+  - name: '8'
+    type: 1000base-t
+  - name: '9'
+    type: 1000base-t
+  - name: '10'
+    type: 1000base-t
+  - name: '11'
+    type: 1000base-t
+  - name: '12'
+    type: 1000base-t
+  - name: '13'
+    type: 1000base-t
+  - name: '14'
+    type: 1000base-t
+  - name: '15'
+    type: 1000base-t
+  - name: '16'
+    type: 1000base-t
+  - name: '17'
+    type: 1000base-t
+  - name: '18'
+    type: 1000base-t
+  - name: '19'
+    type: 1000base-t
+  - name: '20'
+    type: 1000base-t
+  - name: '21'
+    type: 1000base-t
+  - name: '22'
+    type: 1000base-t
+  - name: '23'
+    type: 1000base-t
+  - name: '24'
+    type: 1000base-t
+  - name: '25'
+    type: 1000base-t
+  - name: '26'
+    type: 1000base-t
+  - name: '27'
+    type: 1000base-t
+  - name: '28'
+    type: 1000base-t
+  - name: '29'
+    type: 1000base-t
+  - name: '30'
+    type: 1000base-t
+  - name: '31'
+    type: 1000base-t
+  - name: '32'
+    type: 1000base-t
+  - name: '33'
+    type: 1000base-t
+  - name: '34'
+    type: 1000base-t
+  - name: '35'
+    type: 1000base-t
+  - name: '36'
+    type: 1000base-t
+  - name: '37'
+    type: 1000base-t
+  - name: '38'
+    type: 1000base-t
+  - name: '39'
+    type: 1000base-t
+  - name: '40'
+    type: 1000base-t
+  - name: '41'
+    type: 1000base-t
+  - name: '42'
+    type: 1000base-t
+  - name: '43'
+    type: 1000base-t
+  - name: '44'
+    type: 1000base-t
+  - name: '45'
+    type: 1000base-x-sfp
+  - name: '46'
+    type: 1000base-x-sfp
+  - name: '47'
+    type: 1000base-x-sfp
+  - name: '48'
+    type: 1000base-x-sfp
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true