diff --git a/device-types/Extreme Networks/X450-G2-24p-10GE4.yaml b/device-types/Extreme Networks/X450-G2-24p-10GE4.yaml
new file mode 100644
index 000000000..0b0693f84
--- /dev/null
+++ b/device-types/Extreme Networks/X450-G2-24p-10GE4.yaml	
@@ -0,0 +1,130 @@
+---
+manufacturer: Extreme Networks
+model: X450-G2-24p-10GE4
+slug: extreme-networks-x450-g2-24p-10ge4
+u_height: 1
+is_full_depth: false
+weight: 6.32
+weight_unit: kg
+airflow: front-to-rear
+comments: '[Extreme Networks X450-G2-24p-10GE4 Datasheet](https://documentation.extremenetworks.com/summit_16/GUID-A075D1DB-1E70-4C45-90EC-19E56FCE0102.shtml#GUID-A075D1DB-1E70-4C45-90EC-19E56FCE0102)'
+console-ports:
+  - name: Serial console port
+    type: rj-45
+interfaces:
+  - name: '1'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '2'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '3'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '4'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '5'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '6'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '7'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '8'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '9'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '10'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '11'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '12'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '13'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '14'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '15'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '16'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '17'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '18'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '19'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '20'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '21'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '22'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '23'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '24'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '25'
+    type: 10gbase-x-sfpp
+  - name: '26'
+    type: 10gbase-x-sfpp
+  - name: '27'
+    type: 10gbase-x-sfpp
+  - name: '28'
+    type: 10gbase-x-sfpp
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true
+  - name: SP1
+    type: extreme-summitstack
+  - name: SP2
+    type: extreme-summitstack
+module-bays:
+  - name: PSU-1
+    position: '1'
+  - name: PSU-2
+    position: '2'
diff --git a/device-types/Extreme Networks/X450-G2-24p-GE4.yaml b/device-types/Extreme Networks/X450-G2-24p-GE4.yaml
new file mode 100644
index 000000000..4ec90e90e
--- /dev/null
+++ b/device-types/Extreme Networks/X450-G2-24p-GE4.yaml	
@@ -0,0 +1,130 @@
+---
+manufacturer: Extreme Networks
+model: X450-G2-24p-GE4
+slug: extreme-networks-x450-g2-24p-ge4
+u_height: 1
+is_full_depth: false
+weight: 6.32
+weight_unit: kg
+airflow: front-to-rear
+comments: '[Extreme Networks X450-G2-24p-GE4 Datasheet](https://documentation.extremenetworks.com/summit_16/GUID-67B80737-DDC3-4AA6-99CF-1B62E2348692.shtml#GUID-67B80737-DDC3-4AA6-99CF-1B62E2348692)'
+console-ports:
+  - name: Serial console port
+    type: rj-45
+interfaces:
+  - name: '1'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '2'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '3'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '4'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '5'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '6'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '7'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '8'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '9'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '10'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '11'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '12'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '13'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '14'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '15'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '16'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '17'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '18'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '19'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '20'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '21'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '22'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '23'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '24'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '25'
+    type: 1000base-x-sfp
+  - name: '26'
+    type: 1000base-x-sfp
+  - name: '27'
+    type: 1000base-x-sfp
+  - name: '28'
+    type: 1000base-x-sfp
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true
+  - name: SP1
+    type: extreme-summitstack
+  - name: SP2
+    type: extreme-summitstack
+module-bays:
+  - name: PSU-1
+    position: '1'
+  - name: PSU-2
+    position: '2'
diff --git a/device-types/Extreme Networks/X450-G2-24t-10GE4.yaml b/device-types/Extreme Networks/X450-G2-24t-10GE4.yaml
new file mode 100644
index 000000000..dd85e4b32
--- /dev/null
+++ b/device-types/Extreme Networks/X450-G2-24t-10GE4.yaml	
@@ -0,0 +1,81 @@
+---
+manufacturer: Extreme Networks
+model: X450-G2-24t-10GE4
+slug: extreme-networks-x450-g2-24t-10ge4
+u_height: 1
+is_full_depth: false
+weight: 6.22
+weight_unit: kg
+airflow: front-to-rear
+comments: '[Extreme Networks X450-G2-24t-10GE4 Datasheet](https://documentation.extremenetworks.com/summit_16/GUID-875AC476-5C8C-44ED-A762-111446F141CD.shtml#GUID-875AC476-5C8C-44ED-A762-111446F141CD)'
+power-ports:
+  - name: C14
+    type: iec-60320-c14
+    maximum_draw: 71
+console-ports:
+  - name: Serial console port
+    type: rj-45
+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: 10gbase-x-sfpp
+  - name: '26'
+    type: 10gbase-x-sfpp
+  - name: '27'
+    type: 10gbase-x-sfpp
+  - name: '28'
+    type: 10gbase-x-sfpp
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true
+  - name: SP1
+    type: extreme-summitstack
+  - name: SP2
+    type: extreme-summitstack
diff --git a/device-types/Extreme Networks/X450-G2-24t-GE4.yaml b/device-types/Extreme Networks/X450-G2-24t-GE4.yaml
new file mode 100644
index 000000000..4e0e95565
--- /dev/null
+++ b/device-types/Extreme Networks/X450-G2-24t-GE4.yaml	
@@ -0,0 +1,81 @@
+---
+manufacturer: Extreme Networks
+model: X450-G2-24t-GE4
+slug: extreme-networks-x450-g2-24t-ge4
+u_height: 1
+is_full_depth: false
+weight: 6.22
+weight_unit: kg
+airflow: front-to-rear
+comments: '[Extreme Networks X450-G2-24t-GE4 Datasheet](https://documentation.extremenetworks.com/summit_16/GUID-B7988A69-FEBE-44EE-8976-F3257D6BDB89.shtml#GUID-B7988A69-FEBE-44EE-8976-F3257D6BDB89)'
+power-ports:
+  - name: C14
+    type: iec-60320-c14
+    maximum_draw: 71
+console-ports:
+  - name: Serial console port
+    type: rj-45
+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-x-sfp
+  - name: '26'
+    type: 1000base-x-sfp
+  - name: '27'
+    type: 1000base-x-sfp
+  - name: '28'
+    type: 1000base-x-sfp
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true
+  - name: SP1
+    type: extreme-summitstack
+  - name: SP2
+    type: extreme-summitstack
diff --git a/device-types/Extreme Networks/X450-G2-48p-GE4.yaml b/device-types/Extreme Networks/X450-G2-48p-GE4.yaml
new file mode 100644
index 000000000..11c1a0534
--- /dev/null
+++ b/device-types/Extreme Networks/X450-G2-48p-GE4.yaml	
@@ -0,0 +1,226 @@
+---
+manufacturer: Extreme Networks
+model: X450-G2-48p-GE4
+slug: extreme-networks-x450-g2-48p-ge4
+u_height: 1
+is_full_depth: false
+weight: 6.58
+weight_unit: kg
+airflow: front-to-rear
+comments: '[Extreme Networks X450-G2-48p-GE4 Datasheet](https://documentation.extremenetworks.com/summit_16/GUID-BBFC14F9-A729-4332-8490-A67328A7FEF2.shtml#GUID-BBFC14F9-A729-4332-8490-A67328A7FEF2)'
+console-ports:
+  - name: Serial console port
+    type: rj-45
+interfaces:
+  - name: '1'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '2'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '3'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '4'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '5'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '6'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '7'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '8'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '9'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '10'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '11'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '12'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '13'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '14'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '15'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '16'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '17'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '18'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '19'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '20'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '21'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '22'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '23'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '24'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '25'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '26'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '27'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '28'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '29'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '30'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '31'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '32'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '33'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '34'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '35'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '36'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '37'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '38'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '39'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '40'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '41'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '42'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '43'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '44'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '45'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '46'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '47'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '48'
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: '49'
+    type: 1000base-x-sfp
+  - name: '50'
+    type: 1000base-x-sfp
+  - name: '51'
+    type: 1000base-x-sfp
+  - name: '52'
+    type: 1000base-x-sfp
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true
+  - name: SP1
+    type: extreme-summitstack
+  - name: SP2
+    type: extreme-summitstack
+module-bays:
+  - name: PSU-1
+    position: '1'
+  - name: PSU-2
+    position: '2'
diff --git a/device-types/Extreme Networks/X450-G2-48t-10GE4.yaml b/device-types/Extreme Networks/X450-G2-48t-10GE4.yaml
new file mode 100644
index 000000000..d7048eeaf
--- /dev/null
+++ b/device-types/Extreme Networks/X450-G2-48t-10GE4.yaml	
@@ -0,0 +1,129 @@
+---
+manufacturer: Extreme Networks
+model: X450-G2-48t-10GE4
+slug: extreme-networks-x450-g2-48t-10ge4
+u_height: 1
+is_full_depth: false
+weight: 6.45
+weight_unit: kg
+airflow: front-to-rear
+comments: '[Extreme Networks X450-G2-48t-10GE4 Datasheet](https://documentation.extremenetworks.com/summit_16/GUID-F32AC425-E24F-409D-873E-E7D4601F69F4.shtml#GUID-F32AC425-E24F-409D-873E-E7D4601F69F4)'
+power-ports:
+  - name: C14
+    type: iec-60320-c14
+    maximum_draw: 85
+console-ports:
+  - name: Serial console port
+    type: rj-45
+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-t
+  - name: '46'
+    type: 1000base-t
+  - name: '47'
+    type: 1000base-t
+  - name: '48'
+    type: 1000base-t
+  - name: '49'
+    type: 10gbase-x-sfpp
+  - name: '50'
+    type: 10gbase-x-sfpp
+  - name: '51'
+    type: 10gbase-x-sfpp
+  - name: '52'
+    type: 10gbase-x-sfpp
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true
+  - name: SP1
+    type: extreme-summitstack
+  - name: SP2
+    type: extreme-summitstack
diff --git a/device-types/Extreme Networks/X450-G2-48t-GE4.yaml b/device-types/Extreme Networks/X450-G2-48t-GE4.yaml
new file mode 100644
index 000000000..bfa86e9fd
--- /dev/null
+++ b/device-types/Extreme Networks/X450-G2-48t-GE4.yaml	
@@ -0,0 +1,129 @@
+---
+manufacturer: Extreme Networks
+model: X450-G2-48t-GE4
+slug: extreme-networks-x450-g2-48t-ge4
+u_height: 1
+is_full_depth: false
+weight: 6.45
+weight_unit: kg
+airflow: front-to-rear
+comments: '[Extreme Networks X450-G2-48t-GE4 Datasheet](https://documentation.extremenetworks.com/summit_16/GUID-263C20DA-3A54-48D6-A091-6693202C7917.shtml#GUID-263C20DA-3A54-48D6-A091-6693202C7917)'
+power-ports:
+  - name: C14
+    type: iec-60320-c14
+    maximum_draw: 85
+console-ports:
+  - name: Serial console port
+    type: rj-45
+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-t
+  - name: '46'
+    type: 1000base-t
+  - name: '47'
+    type: 1000base-t
+  - name: '48'
+    type: 1000base-t
+  - name: '49'
+    type: 1000base-x-sfp
+  - name: '50'
+    type: 1000base-x-sfp
+  - name: '51'
+    type: 1000base-x-sfp
+  - name: '52'
+    type: 1000base-x-sfp
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true
+  - name: SP1
+    type: extreme-summitstack
+  - name: SP2
+    type: extreme-summitstack