diff --git a/device-types/Extreme Networks/7520-48XT-6C.yaml b/device-types/Extreme Networks/7520-48XT-6C.yaml
new file mode 100644
index 000000000..125e91b05
--- /dev/null
+++ b/device-types/Extreme Networks/7520-48XT-6C.yaml	
@@ -0,0 +1,130 @@
+---
+manufacturer: Extreme Networks
+model: 7520-48XT-6C
+slug: extreme-networks-7520-48xt-6c
+part_number: 7520-48XT-6C
+u_height: 1
+weight: 7.41
+weight_unit: kg
+is_full_depth: true
+comments: '[Extreme Networks 7520 Data Sheet](https://extr-p-001.sitecorecontenthub.cloud/api/public/content/b5da59835f5d4d10b740208284c8bc09?v=9df9bc2b)'
+console-ports:
+  - name: Console
+    type: rj-45
+module-bays:
+  - name: PSU1
+    position: '1'
+  - name: PSU2
+    position: '2'
+interfaces:
+  - name: Management
+    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-t
+  - name: '14'
+    type: 10gbase-t
+  - name: '15'
+    type: 10gbase-t
+  - name: '16'
+    type: 10gbase-t
+  - name: '17'
+    type: 10gbase-t
+  - name: '18'
+    type: 10gbase-t
+  - name: '19'
+    type: 10gbase-t
+  - name: '20'
+    type: 10gbase-t
+  - name: '21'
+    type: 10gbase-t
+  - name: '22'
+    type: 10gbase-t
+  - name: '23'
+    type: 10gbase-t
+  - name: '24'
+    type: 10gbase-t
+  - name: '25'
+    type: 10gbase-t
+  - name: '26'
+    type: 10gbase-t
+  - name: '27'
+    type: 10gbase-t
+  - name: '28'
+    type: 10gbase-t
+  - name: '29'
+    type: 10gbase-t
+  - name: '30'
+    type: 10gbase-t
+  - name: '31'
+    type: 10gbase-t
+  - name: '32'
+    type: 10gbase-t
+  - name: '33'
+    type: 10gbase-t
+  - name: '34'
+    type: 10gbase-t
+  - name: '35'
+    type: 10gbase-t
+  - name: '36'
+    type: 10gbase-t
+  - name: '37'
+    type: 10gbase-t
+  - name: '38'
+    type: 10gbase-t
+  - name: '39'
+    type: 10gbase-t
+  - name: '40'
+    type: 10gbase-t
+  - name: '41'
+    type: 10gbase-t
+  - name: '42'
+    type: 10gbase-t
+  - name: '43'
+    type: 10gbase-t
+  - name: '44'
+    type: 10gbase-t
+  - name: '45'
+    type: 10gbase-t
+  - name: '46'
+    type: 10gbase-t
+  - name: '47'
+    type: 10gbase-t
+  - name: '48'
+    type: 10gbase-t
+  - name: '49'
+    type: 100gbase-x-qsfp28
+  - name: '50'
+    type: 100gbase-x-qsfp28
+  - name: '51'
+    type: 100gbase-x-qsfp28
+  - name: '52'
+    type: 100gbase-x-qsfp28
+  - name: '53'
+    type: 100gbase-x-qsfp28
+  - name: '54'
+    type: 100gbase-x-qsfp28
diff --git a/device-types/Extreme Networks/7520-48Y-8C.yaml b/device-types/Extreme Networks/7520-48Y-8C.yaml
new file mode 100644
index 000000000..13fd2e3c9
--- /dev/null
+++ b/device-types/Extreme Networks/7520-48Y-8C.yaml	
@@ -0,0 +1,134 @@
+---
+manufacturer: Extreme Networks
+model: 7520-48Y-8C
+slug: extreme-networks-7520-48y-8c
+part_number: 7520-48Y-8C
+u_height: 1
+weight: 7.58
+weight_unit: kg
+is_full_depth: true
+comments: '[Extreme Networks 7520 Data Sheet](https://extr-p-001.sitecorecontenthub.cloud/api/public/content/b5da59835f5d4d10b740208284c8bc09?v=9df9bc2b)'
+console-ports:
+  - name: Console
+    type: rj-45
+module-bays:
+  - name: PSU1
+    position: '1'
+  - name: PSU2
+    position: '2'
+interfaces:
+  - name: Management
+    type: 1000base-t
+    mgmt_only: true
+  - name: '1'
+    type: 25gbase-x-sfp28
+  - name: '2'
+    type: 25gbase-x-sfp28
+  - name: '3'
+    type: 25gbase-x-sfp28
+  - name: '4'
+    type: 25gbase-x-sfp28
+  - name: '5'
+    type: 25gbase-x-sfp28
+  - name: '6'
+    type: 25gbase-x-sfp28
+  - name: '7'
+    type: 25gbase-x-sfp28
+  - name: '8'
+    type: 25gbase-x-sfp28
+  - name: '9'
+    type: 25gbase-x-sfp28
+  - name: '10'
+    type: 25gbase-x-sfp28
+  - name: '11'
+    type: 25gbase-x-sfp28
+  - name: '12'
+    type: 25gbase-x-sfp28
+  - name: '13'
+    type: 25gbase-x-sfp28
+  - name: '14'
+    type: 25gbase-x-sfp28
+  - name: '15'
+    type: 25gbase-x-sfp28
+  - name: '16'
+    type: 25gbase-x-sfp28
+  - name: '17'
+    type: 25gbase-x-sfp28
+  - name: '18'
+    type: 25gbase-x-sfp28
+  - name: '19'
+    type: 25gbase-x-sfp28
+  - name: '20'
+    type: 25gbase-x-sfp28
+  - name: '21'
+    type: 25gbase-x-sfp28
+  - name: '22'
+    type: 25gbase-x-sfp28
+  - name: '23'
+    type: 25gbase-x-sfp28
+  - name: '24'
+    type: 25gbase-x-sfp28
+  - name: '25'
+    type: 25gbase-x-sfp28
+  - name: '26'
+    type: 25gbase-x-sfp28
+  - name: '27'
+    type: 25gbase-x-sfp28
+  - name: '28'
+    type: 25gbase-x-sfp28
+  - name: '29'
+    type: 25gbase-x-sfp28
+  - name: '30'
+    type: 25gbase-x-sfp28
+  - name: '31'
+    type: 25gbase-x-sfp28
+  - name: '32'
+    type: 25gbase-x-sfp28
+  - name: '33'
+    type: 25gbase-x-sfp28
+  - name: '34'
+    type: 25gbase-x-sfp28
+  - name: '35'
+    type: 25gbase-x-sfp28
+  - name: '36'
+    type: 25gbase-x-sfp28
+  - name: '37'
+    type: 25gbase-x-sfp28
+  - name: '38'
+    type: 25gbase-x-sfp28
+  - name: '39'
+    type: 25gbase-x-sfp28
+  - name: '40'
+    type: 25gbase-x-sfp28
+  - name: '41'
+    type: 25gbase-x-sfp28
+  - name: '42'
+    type: 25gbase-x-sfp28
+  - name: '43'
+    type: 25gbase-x-sfp28
+  - name: '44'
+    type: 25gbase-x-sfp28
+  - name: '45'
+    type: 25gbase-x-sfp28
+  - name: '46'
+    type: 25gbase-x-sfp28
+  - name: '47'
+    type: 25gbase-x-sfp28
+  - name: '48'
+    type: 25gbase-x-sfp28
+  - name: '49'
+    type: 100gbase-x-qsfp28
+  - name: '50'
+    type: 100gbase-x-qsfp28
+  - name: '51'
+    type: 100gbase-x-qsfp28
+  - name: '52'
+    type: 100gbase-x-qsfp28
+  - name: '53'
+    type: 100gbase-x-qsfp28
+  - name: '54'
+    type: 100gbase-x-qsfp28
+  - name: '55'
+    type: 100gbase-x-qsfp28
+  - name: '56'
+    type: 100gbase-x-qsfp28
diff --git a/device-types/Extreme Networks/7520-48YE-8CE.yaml b/device-types/Extreme Networks/7520-48YE-8CE.yaml
new file mode 100644
index 000000000..d685aa952
--- /dev/null
+++ b/device-types/Extreme Networks/7520-48YE-8CE.yaml	
@@ -0,0 +1,134 @@
+---
+manufacturer: Extreme Networks
+model: 7520-48YE-8CE
+slug: extreme-networks-7520-48ye-8ce
+part_number: 7520-48YE-8CE
+u_height: 1
+weight: 7.68
+weight_unit: kg
+is_full_depth: true
+comments: '[Extreme Networks 7520 Data Sheet](https://extr-p-001.sitecorecontenthub.cloud/api/public/content/b5da59835f5d4d10b740208284c8bc09?v=9df9bc2b)'
+console-ports:
+  - name: Console
+    type: rj-45
+module-bays:
+  - name: PSU1
+    position: '1'
+  - name: PSU2
+    position: '2'
+interfaces:
+  - name: Management
+    type: 1000base-t
+    mgmt_only: true
+  - name: '1'
+    type: 25gbase-x-sfp28
+  - name: '2'
+    type: 25gbase-x-sfp28
+  - name: '3'
+    type: 25gbase-x-sfp28
+  - name: '4'
+    type: 25gbase-x-sfp28
+  - name: '5'
+    type: 25gbase-x-sfp28
+  - name: '6'
+    type: 25gbase-x-sfp28
+  - name: '7'
+    type: 25gbase-x-sfp28
+  - name: '8'
+    type: 25gbase-x-sfp28
+  - name: '9'
+    type: 25gbase-x-sfp28
+  - name: '10'
+    type: 25gbase-x-sfp28
+  - name: '11'
+    type: 25gbase-x-sfp28
+  - name: '12'
+    type: 25gbase-x-sfp28
+  - name: '13'
+    type: 25gbase-x-sfp28
+  - name: '14'
+    type: 25gbase-x-sfp28
+  - name: '15'
+    type: 25gbase-x-sfp28
+  - name: '16'
+    type: 25gbase-x-sfp28
+  - name: '17'
+    type: 25gbase-x-sfp28
+  - name: '18'
+    type: 25gbase-x-sfp28
+  - name: '19'
+    type: 25gbase-x-sfp28
+  - name: '20'
+    type: 25gbase-x-sfp28
+  - name: '21'
+    type: 25gbase-x-sfp28
+  - name: '22'
+    type: 25gbase-x-sfp28
+  - name: '23'
+    type: 25gbase-x-sfp28
+  - name: '24'
+    type: 25gbase-x-sfp28
+  - name: '25'
+    type: 25gbase-x-sfp28
+  - name: '26'
+    type: 25gbase-x-sfp28
+  - name: '27'
+    type: 25gbase-x-sfp28
+  - name: '28'
+    type: 25gbase-x-sfp28
+  - name: '29'
+    type: 25gbase-x-sfp28
+  - name: '30'
+    type: 25gbase-x-sfp28
+  - name: '31'
+    type: 25gbase-x-sfp28
+  - name: '32'
+    type: 25gbase-x-sfp28
+  - name: '33'
+    type: 25gbase-x-sfp28
+  - name: '34'
+    type: 25gbase-x-sfp28
+  - name: '35'
+    type: 25gbase-x-sfp28
+  - name: '36'
+    type: 25gbase-x-sfp28
+  - name: '37'
+    type: 25gbase-x-sfp28
+  - name: '38'
+    type: 25gbase-x-sfp28
+  - name: '39'
+    type: 25gbase-x-sfp28
+  - name: '40'
+    type: 25gbase-x-sfp28
+  - name: '41'
+    type: 25gbase-x-sfp28
+  - name: '42'
+    type: 25gbase-x-sfp28
+  - name: '43'
+    type: 25gbase-x-sfp28
+  - name: '44'
+    type: 25gbase-x-sfp28
+  - name: '45'
+    type: 25gbase-x-sfp28
+  - name: '46'
+    type: 25gbase-x-sfp28
+  - name: '47'
+    type: 25gbase-x-sfp28
+  - name: '48'
+    type: 25gbase-x-sfp28
+  - name: '49'
+    type: 100gbase-x-qsfp28
+  - name: '50'
+    type: 100gbase-x-qsfp28
+  - name: '51'
+    type: 100gbase-x-qsfp28
+  - name: '52'
+    type: 100gbase-x-qsfp28
+  - name: '53'
+    type: 100gbase-x-qsfp28
+  - name: '54'
+    type: 100gbase-x-qsfp28
+  - name: '55'
+    type: 100gbase-x-qsfp28
+  - name: '56'
+    type: 100gbase-x-qsfp28
diff --git a/module-types/Extreme Networks/XN-ACPWR-800W-F.yaml b/module-types/Extreme Networks/XN-ACPWR-800W-F.yaml
index 58334e258..3a267af00 100644
--- a/module-types/Extreme Networks/XN-ACPWR-800W-F.yaml	
+++ b/module-types/Extreme Networks/XN-ACPWR-800W-F.yaml	
@@ -2,10 +2,10 @@
 manufacturer: Extreme Networks
 model: XN-ACPWR-800W-F
 part_number: XN-ACPWR-800W-F
-comments: 800W front to back PSU
+comments: 800W front-to-back airflow PSU for 7520 and 7720 switches
 weight: 810
 weight_unit: g
 power-ports:
   - name: Ps#{module}
-    type: iec-60320-c16
+    type: iec-60320-c14
     maximum_draw: 800
diff --git a/module-types/Extreme Networks/XN-ACPWR-800W-R.yaml b/module-types/Extreme Networks/XN-ACPWR-800W-R.yaml
new file mode 100644
index 000000000..a7df5e1d1
--- /dev/null
+++ b/module-types/Extreme Networks/XN-ACPWR-800W-R.yaml	
@@ -0,0 +1,11 @@
+---
+manufacturer: Extreme Networks
+model: XN-ACPWR-800W-R
+part_number: XN-ACPWR-800W-R
+comments: 800W back-to-front airflow PSU for 7520 and 7720 switches
+weight: 810
+weight_unit: g
+power-ports:
+  - name: Ps#{module}
+    type: iec-60320-c14
+    maximum_draw: 800
diff --git a/module-types/Extreme Networks/XN-DCPWR-800W-F.yaml b/module-types/Extreme Networks/XN-DCPWR-800W-F.yaml
new file mode 100644
index 000000000..4e0bf48a2
--- /dev/null
+++ b/module-types/Extreme Networks/XN-DCPWR-800W-F.yaml	
@@ -0,0 +1,11 @@
+---
+manufacturer: Extreme Networks
+model: XN-DCPWR-800W-F
+part_number: XN-DCPWR-800W-F
+comments: 800W front-to-back airflow PSU for 7520 and 7720 switches
+weight: 850
+weight_unit: g
+power-ports:
+  - name: Ps#{module}
+    type: dc-terminal
+    maximum_draw: 800
diff --git a/module-types/Extreme Networks/XN-DCPWR-800W-R.yaml b/module-types/Extreme Networks/XN-DCPWR-800W-R.yaml
new file mode 100644
index 000000000..4cd3f144f
--- /dev/null
+++ b/module-types/Extreme Networks/XN-DCPWR-800W-R.yaml	
@@ -0,0 +1,11 @@
+---
+manufacturer: Extreme Networks
+model: XN-DCPWR-800W-R
+part_number: XN-DCPWR-800W-R
+comments: 800W back-to-front airflow PSU for 7520 and 7720 switches
+weight: 850
+weight_unit: g
+power-ports:
+  - name: Ps#{module}
+    type: dc-terminal
+    maximum_draw: 800