diff --git a/device-types/Extreme Networks/X150-24p.yaml b/device-types/Extreme Networks/X150-24p.yaml
new file mode 100644
index 000000000..044216fb5
--- /dev/null
+++ b/device-types/Extreme Networks/X150-24p.yaml	
@@ -0,0 +1,121 @@
+---
+manufacturer: Extreme Networks
+model: X150-24p
+slug: extreme-networks-x150-24p
+u_height: 1
+is_full_depth: false
+weight: 5.5
+weight_unit: kg
+airflow: right-to-left
+comments: '[Extreme Networks X150-24p Datasheet](https://documentation.extremenetworks.com/summit_16/GUID-0CD347F4-C441-47C3-9D5B-3BA8649DB783.shtml)'
+power-ports:
+  - name: DCE2
+    type: iec-60320-c14
+    maximum_draw: 500
+console-ports:
+  - name: Serial console port
+    type: de-9
+interfaces:
+  - name: '1'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '2'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '3'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '4'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '5'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '6'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '7'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '8'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '9'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '10'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '11'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '12'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '13'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '14'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '15'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '16'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '17'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '18'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '19'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '20'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '21'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '22'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '23'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '24'
+    type: 100base-tx
+    poe_mode: pse
+    poe_type: type1-ieee802.3af
+  - name: '25'
+    type: 1000base-x-sfp
+  - name: '26'
+    type: 1000base-x-sfp
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true
diff --git a/device-types/Extreme Networks/X150-24t.yaml b/device-types/Extreme Networks/X150-24t.yaml
new file mode 100644
index 000000000..28c65a252
--- /dev/null
+++ b/device-types/Extreme Networks/X150-24t.yaml	
@@ -0,0 +1,73 @@
+---
+manufacturer: Extreme Networks
+model: X150-24t
+slug: extreme-networks-x150-24t
+u_height: 1
+is_full_depth: false
+weight: 4.8
+weight_unit: kg
+airflow: right-to-left
+comments: '[Extreme Networks X150-24t Datasheet](https://documentation.extremenetworks.com/summit_16/GUID-A48D9BB9-E0EC-41DB-AE56-F2615275A38A.shtml)'
+power-ports:
+  - name: DCE2
+    type: iec-60320-c14
+    maximum_draw: 36
+console-ports:
+  - name: Serial console port
+    type: de-9
+interfaces:
+  - name: '1'
+    type: 100base-tx
+  - name: '2'
+    type: 100base-tx
+  - name: '3'
+    type: 100base-tx
+  - name: '4'
+    type: 100base-tx
+  - name: '5'
+    type: 100base-tx
+  - name: '6'
+    type: 100base-tx
+  - name: '7'
+    type: 100base-tx
+  - name: '8'
+    type: 100base-tx
+  - name: '9'
+    type: 100base-tx
+  - name: '10'
+    type: 100base-tx
+  - name: '11'
+    type: 100base-tx
+  - name: '12'
+    type: 100base-tx
+  - name: '13'
+    type: 100base-tx
+  - name: '14'
+    type: 100base-tx
+  - name: '15'
+    type: 100base-tx
+  - name: '16'
+    type: 100base-tx
+  - name: '17'
+    type: 100base-tx
+  - name: '18'
+    type: 100base-tx
+  - name: '19'
+    type: 100base-tx
+  - name: '20'
+    type: 100base-tx
+  - name: '21'
+    type: 100base-tx
+  - name: '22'
+    type: 100base-tx
+  - name: '23'
+    type: 100base-tx
+  - name: '24'
+    type: 100base-tx
+  - name: '25'
+    type: 1000base-x-sfp
+  - name: '26'
+    type: 1000base-x-sfp
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true
diff --git a/device-types/Extreme Networks/X150-48t.yaml b/device-types/Extreme Networks/X150-48t.yaml
new file mode 100644
index 000000000..aa259a762
--- /dev/null
+++ b/device-types/Extreme Networks/X150-48t.yaml	
@@ -0,0 +1,121 @@
+---
+manufacturer: Extreme Networks
+model: X150-48t
+slug: extreme-networks-x150-48t
+u_height: 1
+is_full_depth: false
+weight: 5.5
+weight_unit: kg
+airflow: right-to-left
+comments: '[Extreme Networks X150-48t Datasheet](https://documentation.extremenetworks.com/summit_16/GUID-05C591DD-EB29-4D08-B5D5-F21C4AEFD200.shtml)'
+power-ports:
+  - name: DCE2
+    type: iec-60320-c14
+    maximum_draw: 36
+console-ports:
+  - name: Serial console port
+    type: de-9
+interfaces:
+  - name: '1'
+    type: 100base-tx
+  - name: '2'
+    type: 100base-tx
+  - name: '3'
+    type: 100base-tx
+  - name: '4'
+    type: 100base-tx
+  - name: '5'
+    type: 100base-tx
+  - name: '6'
+    type: 100base-tx
+  - name: '7'
+    type: 100base-tx
+  - name: '8'
+    type: 100base-tx
+  - name: '9'
+    type: 100base-tx
+  - name: '10'
+    type: 100base-tx
+  - name: '11'
+    type: 100base-tx
+  - name: '12'
+    type: 100base-tx
+  - name: '13'
+    type: 100base-tx
+  - name: '14'
+    type: 100base-tx
+  - name: '15'
+    type: 100base-tx
+  - name: '16'
+    type: 100base-tx
+  - name: '17'
+    type: 100base-tx
+  - name: '18'
+    type: 100base-tx
+  - name: '19'
+    type: 100base-tx
+  - name: '20'
+    type: 100base-tx
+  - name: '21'
+    type: 100base-tx
+  - name: '22'
+    type: 100base-tx
+  - name: '23'
+    type: 100base-tx
+  - name: '24'
+    type: 100base-tx
+  - name: '25'
+    type: 100base-tx
+  - name: '26'
+    type: 100base-tx
+  - name: '27'
+    type: 100base-tx
+  - name: '28'
+    type: 100base-tx
+  - name: '29'
+    type: 100base-tx
+  - name: '30'
+    type: 100base-tx
+  - name: '31'
+    type: 100base-tx
+  - name: '32'
+    type: 100base-tx
+  - name: '33'
+    type: 100base-tx
+  - name: '34'
+    type: 100base-tx
+  - name: '35'
+    type: 100base-tx
+  - name: '36'
+    type: 100base-tx
+  - name: '37'
+    type: 100base-tx
+  - name: '38'
+    type: 100base-tx
+  - name: '39'
+    type: 100base-tx
+  - name: '40'
+    type: 100base-tx
+  - name: '41'
+    type: 100base-tx
+  - name: '42'
+    type: 100base-tx
+  - name: '43'
+    type: 100base-tx
+  - name: '44'
+    type: 100base-tx
+  - name: '45'
+    type: 100base-tx
+  - name: '46'
+    type: 100base-tx
+  - name: '47'
+    type: 100base-tx
+  - name: '48'
+    type: 100base-tx
+  - name: '49'
+    type: 1000base-x-sfp
+  - name: '50'
+    type: 1000base-x-sfp
+  - name: Mgmt
+    type: 100base-tx
+    mgmt_only: true