diff --git a/device-types/HP/HP-EliteDesk-800-G2-Mini.yaml b/device-types/HP/HP-EliteDesk-800-G2-Mini.yaml
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+++ b/device-types/HP/HP-EliteDesk-800-G2-Mini.yaml
@@ -0,0 +1,19 @@
+---
+manufacturer: HP
+model: EliteDesk 800 G2 Mini
+slug: hp-elitedesk-800-g2-mini
+part_number: hp-elitedesk-800-g2-mini
+u_height: 1
+is_full_depth: false  # 15.75"
+weight: 2.31
+weight_unit: lb
+front_image: true
+rear_image: true
+comments: "[Datasheet](https://am4computers.com/Documents/HP%20EliteDesk%20800%2065W%20G2%20Desktop%20Mini%20PC%20Data%20sheet%20.pdf)\n\n- Rear ports are\
+  \ listed left-to-right top-to-bottom. - Rear USB 3.0 1A is top left in the grid of four."
+interfaces:
+  - name: ethernet-1/1
+    type: 1000base-t
+power-ports:
+  - name: External Power Supply
+    type: dc-terminal
diff --git a/device-types/HP/HP-EliteDesk-800-G5-Mini.yaml b/device-types/HP/HP-EliteDesk-800-G5-Mini.yaml
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+++ b/device-types/HP/HP-EliteDesk-800-G5-Mini.yaml
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+---
+manufacturer: HP
+model: EliteDesk 800 G5 Mini
+slug: hp-elitedesk-800-g5-mini
+part_number: hp-elitedesk-800-g5-mini
+u_height: 1
+is_full_depth: false  # 15.75"
+weight: 2.31
+weight_unit: lb
+front_image: true
+rear_image: true
+comments: "[Datasheet](https://h20195.www2.hp.com/v2/getpdf.aspx/c06320288.pdf)\n\n- Rear ports are listed left-to-right top-to-bottom. - Rear USB 3.0 1A\
+  \ is top left in the grid of four."
+interfaces:
+  - name: ethernet-1/1
+    type: 1000base-t
+power-ports:
+  - name: External Power Supply
+    type: dc-terminal
diff --git a/device-types/HP/HP-EliteDesk-800-G9-Mini.yaml b/device-types/HP/HP-EliteDesk-800-G9-Mini.yaml
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index 00000000..d8718056
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+++ b/device-types/HP/HP-EliteDesk-800-G9-Mini.yaml
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+---
+manufacturer: HP
+model: EliteDesk 800 G9 Mini
+slug: hp-elitedesk-800-g9-mini
+part_number: hp-elitedesk-800-g9-mini
+u_height: 1
+is_full_depth: false  # 15.75"
+weight: 2.31
+weight_unit: lb
+front_image: true
+rear_image: true
+comments: "[Datasheet](https://h20195.www2.hp.com/v2/GetPDF.aspx/c08050132.pdf)\n\n- Rear ports are listed left-to-right top-to-bottom. - Rear USB 3.0 1A\
+  \ is top left in the grid of four."
+interfaces:
+  - name: ethernet-1/1
+    type: 1000base-t
+power-ports:
+  - name: External Power Supply
+    type: dc-terminal
diff --git a/device-types/HP/HP-Z420.yaml b/device-types/HP/HP-Z420.yaml
new file mode 100644
index 00000000..48d6e960
--- /dev/null
+++ b/device-types/HP/HP-Z420.yaml
@@ -0,0 +1,18 @@
+---
+manufacturer: HP
+model: Z420
+slug: hp-z420
+part_number: hp-z420
+u_height: 2
+is_full_depth: false  # 15.75"
+weight: 29.92
+weight_unit: lb
+front_image: true
+rear_image: true
+comments: '[Datasheet](http://www.hp.com/united-states/campaigns/workstations/images/datasheet_z420.pdf)\n\n- Rear ports are listed left-to-right top-to-bottom.'
+interfaces:
+  - name: ethernet-1/1
+    type: 1000base-t
+power-ports:
+  - name: External Power Supply
+    type: iec-60320-c14
diff --git a/elevation-images/HP/hp-elitedesk-800-g2-mini.front.jpeg b/elevation-images/HP/hp-elitedesk-800-g2-mini.front.jpeg
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diff --git a/elevation-images/HP/hp-elitedesk-800-g9-mini.front.jpg b/elevation-images/HP/hp-elitedesk-800-g9-mini.front.jpg
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