diff --git a/device-types/Extreme Networks/X620-10x.yaml b/device-types/Extreme Networks/X620-10x.yaml
new file mode 100644
index 00000000..ecc6f5ba
--- /dev/null
+++ b/device-types/Extreme Networks/X620-10x.yaml	
@@ -0,0 +1,48 @@
+---
+manufacturer: Extreme Networks
+model: X620-10x
+slug: extreme-networks-x620-10x
+part_number: '17404'
+u_height: 1
+is_full_depth: false
+front_image: true
+rear_image: true
+weight: 2.74
+weight_unit: kg
+comments: '[Extreme Networks X620 Technical Specifications](https://documentation.extremenetworks.com/extremeswitching/GUID-0C8FD510-0231-4278-9349-A8DC70AA88CD.shtml)'
+console-ports:
+  - name: Console
+    type: rj-45
+power-ports:
+  - name: C14
+    type: iec-60320-c14
+    maximum_draw: 36
+  - name: RPS1
+    type: dc-terminal
+    description: Redundant Power Supply
+interfaces:
+  - name: Mgmt-port
+    type: 1000base-t
+    mgmt_only: true
+  - name: '1'
+    type: 10gbase-x-sfpp
+  - name: '2'
+    type: 10gbase-x-sfpp
+  - name: '3'
+    type: 10gbase-x-sfpp
+  - name: '4'
+    type: 10gbase-x-sfpp
+  - name: '5'
+    type: 10gbase-x-sfpp
+  - name: '6'
+    type: 10gbase-x-sfpp
+  - name: '7'
+    type: 10gbase-x-sfpp
+  - name: '8'
+    type: 10gbase-x-sfpp
+  - name: '9'
+    type: 10gbase-x-sfpp
+    description: Can be used for stacking or as a standard port
+  - name: '10'
+    type: 10gbase-x-sfpp
+    description: Can be used for stacking or as a standard port
diff --git a/device-types/Extreme Networks/X620-16p.yaml b/device-types/Extreme Networks/X620-16p.yaml
new file mode 100644
index 00000000..e84de0af
--- /dev/null
+++ b/device-types/Extreme Networks/X620-16p.yaml	
@@ -0,0 +1,104 @@
+---
+manufacturer: Extreme Networks
+model: X620-16p
+slug: extreme-networks-x620-16p
+part_number: '17403'
+u_height: 1
+is_full_depth: true
+front_image: true
+rear_image: true
+weight: 5.5
+weight_unit: kg
+comments: '[Extreme Networks X620 Technical Specifications](https://documentation.extremenetworks.com/extremeswitching/GUID-0C8FD510-0231-4278-9349-A8DC70AA88CD.shtml)'
+console-ports:
+  - name: Console
+    type: rj-45
+module-bays:
+  - name: PSU-1
+    position: PSU-1
+  - name: PSU-2
+    position: PSU-2
+interfaces:
+  - name: Mgmt-port
+    type: 1000base-t
+    mgmt_only: true
+  - name: '1'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: Supports 2.5GBASE-T and 5GBASE-T as well
+  - name: '2'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: Supports 2.5GBASE-T and 5GBASE-T as well
+  - name: '3'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: Supports 2.5GBASE-T and 5GBASE-T as well
+  - name: '4'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: Supports 2.5GBASE-T and 5GBASE-T as well
+  - name: '5'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+    description: Supports 2.5GBASE-T and 5GBASE-T as well
+  - name: '6'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+    description: Supports 2.5GBASE-T and 5GBASE-T as well
+  - name: '7'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+    description: Supports 2.5GBASE-T and 5GBASE-T as well
+  - name: '8'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+    description: Supports 2.5GBASE-T and 5GBASE-T as well
+  - name: '9'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+    description: Supports 2.5GBASE-T and 5GBASE-T as well
+  - name: '10'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+    description: Supports 2.5GBASE-T and 5GBASE-T as well
+  - name: '11'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+    description: Supports 2.5GBASE-T and 5GBASE-T as well
+  - name: '12'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type3-ieee802.3bt
+    description: Supports 2.5GBASE-T and 5GBASE-T as well
+  - name: '13'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: Combo Port (either SFP+ or 10GBASE-T)
+  - name: '14'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: Combo Port (either SFP+ or 10GBASE-T)
+  - name: '15'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: Combo Port (either SFP+ or 10GBASE-T), SFP+ can be used for stacking or as a standard port
+  - name: '16'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: Combo Port (either SFP+ or 10GBASE-T), SFP+ can be used for stacking or as a standard port
diff --git a/device-types/Extreme Networks/X620-16t.yaml b/device-types/Extreme Networks/X620-16t.yaml
new file mode 100644
index 00000000..158ba645
--- /dev/null
+++ b/device-types/Extreme Networks/X620-16t.yaml	
@@ -0,0 +1,60 @@
+---
+manufacturer: Extreme Networks
+model: X620-16t
+slug: extreme-networks-x620-16t
+part_number: '17402'
+u_height: 1
+is_full_depth: true
+front_image: true
+rear_image: true
+weight: 5.52
+weight_unit: kg
+comments: '[Extreme Networks X620 Technical Specifications](https://documentation.extremenetworks.com/extremeswitching/GUID-0C8FD510-0231-4278-9349-A8DC70AA88CD.shtml)'
+console-ports:
+  - name: Console
+    type: rj-45
+module-bays:
+  - name: PSU-1
+    position: PSU-1
+  - name: PSU-2
+    position: PSU-2
+interfaces:
+  - name: Mgmt-port
+    type: 1000base-t
+    mgmt_only: true
+  - name: '1'
+    type: 10gbase-t
+  - name: '2'
+    type: 10gbase-t
+  - name: '3'
+    type: 10gbase-t
+  - name: '4'
+    type: 10gbase-t
+  - name: '5'
+    type: 10gbase-t
+  - name: '6'
+    type: 10gbase-t
+  - name: '7'
+    type: 10gbase-t
+  - name: '8'
+    type: 10gbase-t
+  - name: '9'
+    type: 10gbase-t
+  - name: '10'
+    type: 10gbase-t
+  - name: '11'
+    type: 10gbase-t
+  - name: '12'
+    type: 10gbase-t
+  - name: '13'
+    type: 10gbase-x-sfpp
+    description: Combo Port (either SFP+ or 10GBASE-T)
+  - name: '14'
+    type: 10gbase-x-sfpp
+    description: Combo Port (either SFP+ or 10GBASE-T)
+  - name: '15'
+    type: 10gbase-x-sfpp
+    description: Combo Port (either SFP+ or 10GBASE-T), SFP+ can be used for stacking or as a standard port
+  - name: '16'
+    type: 10gbase-x-sfpp
+    description: Combo Port (either SFP+ or 10GBASE-T), SFP+ can be used for stacking or as a standard port
diff --git a/device-types/Extreme Networks/X620-16x.yaml b/device-types/Extreme Networks/X620-16x.yaml
new file mode 100644
index 00000000..4f9ee9de
--- /dev/null
+++ b/device-types/Extreme Networks/X620-16x.yaml	
@@ -0,0 +1,58 @@
+---
+manufacturer: Extreme Networks
+model: X620-16x
+slug: extreme-networks-x620-16x
+part_number: '17401'
+u_height: 1
+is_full_depth: true
+front_image: true
+rear_image: true
+weight: 5.10
+weight_unit: kg
+comments: '[Extreme Networks X620 Technical Specifications](https://documentation.extremenetworks.com/extremeswitching/GUID-0C8FD510-0231-4278-9349-A8DC70AA88CD.shtml)'
+console-ports:
+  - name: Console
+    type: rj-45
+module-bays:
+  - name: PSU-1
+    position: PSU-1
+  - name: PSU-2
+    position: PSU-2
+interfaces:
+  - name: Mgmt-port
+    type: 1000base-t
+    mgmt_only: true
+  - name: '1'
+    type: 10gbase-x-sfpp
+  - name: '2'
+    type: 10gbase-x-sfpp
+  - name: '3'
+    type: 10gbase-x-sfpp
+  - name: '4'
+    type: 10gbase-x-sfpp
+  - name: '5'
+    type: 10gbase-x-sfpp
+  - name: '6'
+    type: 10gbase-x-sfpp
+  - name: '7'
+    type: 10gbase-x-sfpp
+  - name: '8'
+    type: 10gbase-x-sfpp
+  - name: '9'
+    type: 10gbase-x-sfpp
+  - name: '10'
+    type: 10gbase-x-sfpp
+  - name: '11'
+    type: 10gbase-x-sfpp
+  - name: '12'
+    type: 10gbase-x-sfpp
+  - name: '13'
+    type: 10gbase-x-sfpp
+  - name: '14'
+    type: 10gbase-x-sfpp
+  - name: '15'
+    type: 10gbase-x-sfpp
+    description: Can be used for stacking or as a standard port
+  - name: '16'
+    type: 10gbase-x-sfpp
+    description: Can be used for stacking or as a standard port
diff --git a/device-types/Extreme Networks/X620-8t-2x.yaml b/device-types/Extreme Networks/X620-8t-2x.yaml
new file mode 100644
index 00000000..35f02026
--- /dev/null
+++ b/device-types/Extreme Networks/X620-8t-2x.yaml	
@@ -0,0 +1,48 @@
+---
+manufacturer: Extreme Networks
+model: X620-8t-2x
+slug: extreme-networks-x620-8t-2x
+part_number: '17405'
+u_height: 1
+is_full_depth: false
+front_image: true
+rear_image: true
+weight: 2.92
+weight_unit: kg
+comments: '[Extreme Networks X620 Technical Specifications](https://documentation.extremenetworks.com/extremeswitching/GUID-0C8FD510-0231-4278-9349-A8DC70AA88CD.shtml)'
+console-ports:
+  - name: Console
+    type: rj-45
+power-ports:
+  - name: C14
+    type: iec-60320-c14
+    maximum_draw: 52
+  - name: RPS1
+    type: dc-terminal
+    description: Redundant Power Supply
+interfaces:
+  - name: Mgmt-port
+    type: 1000base-t
+    mgmt_only: true
+  - name: '1'
+    type: 10gbase-t
+  - name: '2'
+    type: 10gbase-t
+  - name: '3'
+    type: 10gbase-t
+  - name: '4'
+    type: 10gbase-t
+  - name: '5'
+    type: 10gbase-t
+  - name: '6'
+    type: 10gbase-t
+  - name: '7'
+    type: 10gbase-t
+  - name: '8'
+    type: 10gbase-t
+  - name: '9'
+    type: 10gbase-x-sfpp
+    description: Can be used for stacking or as a standard port
+  - name: '10'
+    type: 10gbase-x-sfpp
+    description: Can be used for stacking or as a standard port
diff --git a/elevation-images/Extreme Networks/extreme-networks-x620-10x.front.png b/elevation-images/Extreme Networks/extreme-networks-x620-10x.front.png
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diff --git a/elevation-images/Extreme Networks/extreme-networks-x620-16p.front.png b/elevation-images/Extreme Networks/extreme-networks-x620-16p.front.png
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diff --git a/elevation-images/Extreme Networks/extreme-networks-x620-16t.front.png b/elevation-images/Extreme Networks/extreme-networks-x620-16t.front.png
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diff --git a/elevation-images/Extreme Networks/extreme-networks-x620-8t-2x.front.png b/elevation-images/Extreme Networks/extreme-networks-x620-8t-2x.front.png
new file mode 100644
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diff --git a/elevation-images/Extreme Networks/extreme-networks-x620-8t-2x.rear.png b/elevation-images/Extreme Networks/extreme-networks-x620-8t-2x.rear.png
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diff --git a/module-types/Extreme Networks/Summit-300W-AC-BF.yaml b/module-types/Extreme Networks/Summit-300W-AC-BF.yaml
new file mode 100644
index 00000000..43308318
--- /dev/null
+++ b/module-types/Extreme Networks/Summit-300W-AC-BF.yaml	
@@ -0,0 +1,11 @@
+---
+manufacturer: Extreme Networks
+model: Summit-300W-AC-BF
+part_number: '10943'
+comments: 300W AC power supply for some X460-G2 and X620 models, back to front airflow
+weight: 1000
+weight_unit: g
+power-ports:
+  - name: PSU{module}
+    type: iec-60320-c14
+    maximum_draw: 300
diff --git a/module-types/Extreme Networks/Summit-300W-AC-FB.yaml b/module-types/Extreme Networks/Summit-300W-AC-FB.yaml
new file mode 100644
index 00000000..66e501c7
--- /dev/null
+++ b/module-types/Extreme Networks/Summit-300W-AC-FB.yaml	
@@ -0,0 +1,11 @@
+---
+manufacturer: Extreme Networks
+model: Summit-300W-AC-FB
+part_number: 10930A
+comments: 300W AC power supply for some X460-G2 and X620 models, front to back airflow
+weight: 1000
+weight_unit: g
+power-ports:
+  - name: PSU{module}
+    type: iec-60320-c14
+    maximum_draw: 300
diff --git a/module-types/Extreme Networks/Summit-300W-DC-BF.yaml b/module-types/Extreme Networks/Summit-300W-DC-BF.yaml
new file mode 100644
index 00000000..80f30ae9
--- /dev/null
+++ b/module-types/Extreme Networks/Summit-300W-DC-BF.yaml	
@@ -0,0 +1,11 @@
+---
+manufacturer: Extreme Networks
+model: Summit-300W-DC-BF
+part_number: '10944'
+comments: 300W DC power supply for some X460-G2 and X620 models, back to front airflow
+weight: 830
+weight_unit: g
+power-ports:
+  - name: PSU{module}
+    type: dc-terminal
+    maximum_draw: 300
diff --git a/module-types/Extreme Networks/Summit-300W-DC-FB.yaml b/module-types/Extreme Networks/Summit-300W-DC-FB.yaml
new file mode 100644
index 00000000..1a3c8e63
--- /dev/null
+++ b/module-types/Extreme Networks/Summit-300W-DC-FB.yaml	
@@ -0,0 +1,11 @@
+---
+manufacturer: Extreme Networks
+model: Summit-300W-DC-FB
+part_number: '10933'
+comments: 300W DC power supply for some X460-G2 and X620 models, front to back airflow
+weight: 830
+weight_unit: g
+power-ports:
+  - name: PSU{module}
+    type: dc-terminal
+    maximum_draw: 300
diff --git a/module-types/Extreme Networks/Summit-750W-AC-FB.yaml b/module-types/Extreme Networks/Summit-750W-AC-FB.yaml
new file mode 100644
index 00000000..630495f4
--- /dev/null
+++ b/module-types/Extreme Networks/Summit-750W-AC-FB.yaml	
@@ -0,0 +1,11 @@
+---
+manufacturer: Extreme Networks
+model: Summit-750W-AC-FB
+part_number: '10931'
+comments: 750W AC power supply for some X460 and X620 switch models and EPS-C2 external power supply system, front to back airflow
+weight: 1.0
+weight_unit: kg
+power-ports:
+  - name: PSU{module}
+    type: iec-60320-c14
+    maximum_draw: 750