diff --git a/device-types/Cisco/WS-C2960S-48LPD-L.yaml b/device-types/Cisco/WS-C2960S-48LPD-L.yaml
new file mode 100644
index 00000000..7aa1929d
--- /dev/null
+++ b/device-types/Cisco/WS-C2960S-48LPD-L.yaml
@@ -0,0 +1,281 @@
+---
+manufacturer: Cisco
+model: Catalyst 2960S-48LPD-L
+slug: cisco-ws-c2960s-48lpd-l
+part_number: WS-C2960S-48LPD-L
+u_height: 1
+is_full_depth: false
+airflow: front-to-rear
+description: Cisco Catalyst 2960S-48LPD-L 1U switch with 48x 1GbE PoE+ ports and 2x 10GbE SFP+ uplinks.
+weight: 10.5
+weight_unit: kg
+front_image: true
+rear_image: true
+comments: |
+  Layer 2 switch with 370W PoE budget (12 ports at 30W PoE+, 24 ports at 15.4W PoE, or 48 ports at 7.7W PoE).
+  Supports optional FlexStack stacking module (C2960S-STACK, sold separately).
+  Reference: https://www.cisco.com/c/en/us/products/collateral/switches/catalyst-2960-s-series-switches/data_sheet_c78-726680.html
+interfaces:
+  - name: FastEthernet0
+    type: 100base-tx
+    mgmt_only: true
+    description: Fast Ethernet management port
+  - name: GigabitEthernet1/0/1
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/2
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/3
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/4
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/5
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/6
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/7
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/8
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/9
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/10
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/11
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/12
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/13
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/14
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/15
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/16
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/17
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/18
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/19
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/20
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/21
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/22
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/23
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/24
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/25
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/26
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/27
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/28
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/29
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/30
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/31
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/32
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/33
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/34
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/35
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/36
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/37
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/38
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/39
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/40
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/41
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/42
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/43
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/44
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/45
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/46
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/47
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: GigabitEthernet1/0/48
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
+  - name: TenGigabitEthernet1/0/49
+    type: 10gbase-x-sfpp
+    description: 10GbE SFP+ uplink port
+  - name: TenGigabitEthernet1/0/50
+    type: 10gbase-x-sfpp
+    description: 10GbE SFP+ uplink port
+console-ports:
+  - name: con0
+    type: rj-45
+    description: RJ-45 console port
+  - name: con1
+    type: usb-mini-b
+    description: Mini-USB console port (Type B)
+power-ports:
+  - name: PSU0
+    type: iec-60320-c14
+    maximum_draw: 449
+    allocated_draw: 449
+    description: Primary power supply (449W, 370W PoE budget)
diff --git a/device-types/Cisco/WS-C3560X-24P.yaml b/device-types/Cisco/WS-C3560X-24P.yaml
index 98cfb2bb..43aaf2d4 100644
--- a/device-types/Cisco/WS-C3560X-24P.yaml
+++ b/device-types/Cisco/WS-C3560X-24P.yaml
@@ -3,125 +3,157 @@ manufacturer: Cisco
 model: Catalyst 3560X-24P
 slug: cisco-ws-c3560x-24p
 part_number: WS-C3560X-24P
-is_full_depth: false
 u_height: 1
+is_full_depth: false
+airflow: front-to-rear
+description: Cisco Catalyst 3560X-24P 1U switch with 24x 1GbE PoE+ ports and optional network module slot.
+weight: 7.1
+weight_unit: kg
+front_image: true
+rear_image: true
+comments: |
+  Layer 2/3 switch with 435W PoE budget (24 ports at 15.4W PoE or 14 ports at 30W PoE+).
+  Supports optional network module (e.g., C3KX-NM-1G for 4x 1GbE SFP, C3KX-NM-10G for 2x 10GbE SFP+, C3KX-NM-10GT for 2x 10GbE RJ45).
+  Reference: https://www.cisco.com/c/en/us/products/collateral/switches/catalyst-3560-x-series-switches/data_sheet_c78-584733.html
 interfaces:
   - name: FastEthernet0
     type: 100base-tx
     mgmt_only: true
+    description: Fast Ethernet management port
   - name: GigabitEthernet0/1
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/2
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/3
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/4
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/5
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/6
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/7
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/8
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/9
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/10
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/11
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/12
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/13
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/14
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/15
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/16
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/17
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/18
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/19
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/20
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/21
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/22
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/23
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
+    description: 1GbE PoE+ port
   - name: GigabitEthernet0/24
     type: 1000base-t
     poe_mode: pse
     poe_type: type2-ieee802.3at
-  - name: GigabitEthernet1/1
-    type: 1000base-x-sfp
-  - name: GigabitEthernet1/2
-    type: 1000base-x-sfp
-  - name: GigabitEthernet1/3
-    type: 1000base-t
-  - name: GigabitEthernet1/4
-    type: 1000base-t
-  - name: TenGigabitEthernet1/1
-    type: 10gbase-x-sfpp
-  - name: TenGigabitEthernet1/2
-    type: 10gbase-x-sfpp
+    description: 1GbE PoE+ port
 console-ports:
   - name: con0
     type: rj-45
+    description: RJ-45 console port
+  - name: con1
+    type: usb-mini-b
+    description: Mini-USB console port (Type B)
 module-bays:
   - name: PSU1
     position: '1'
+    description: Power supply bay 1 (e.g., C3KX-PWR-715WAC)
   - name: PSU2
     position: '2'
+    description: Power supply bay 2 (e.g., C3KX-PWR-715WAC, optional)
+  - name: Network Module
+    position: '3'
+    description: Optional network module slot (e.g., C3KX-NM-1G, C3KX-NM-10G, C3KX-NM-10GT)
diff --git a/device-types/Fortinet/FG-500D.yaml b/device-types/Fortinet/FG-500D.yaml
index 4e8571a9..49af70fa 100644
--- a/device-types/Fortinet/FG-500D.yaml
+++ b/device-types/Fortinet/FG-500D.yaml
@@ -7,6 +7,8 @@ u_height: 1
 is_full_depth: false
 weight: 4.9
 weight_unit: kg
+front_image: true
+rear_image: true
 console-ports:
   - name: usbmgmt
     type: usb-mini-b
diff --git a/device-types/Lenovo/ThinkSystem-SR250-v2.yaml b/device-types/Lenovo/ThinkSystem-SR250-v2.yaml
new file mode 100644
index 00000000..dcb6cf1c
--- /dev/null
+++ b/device-types/Lenovo/ThinkSystem-SR250-v2.yaml
@@ -0,0 +1,32 @@
+---
+manufacturer: Lenovo
+model: ThinkSystem SR250 V2
+slug: lenovo-thinksystem-sr250-v2
+part_number: 7D7Q
+u_height: 1
+is_full_depth: true
+airflow: front-to-rear
+description: Lenovo ThinkSystem SR250 V2 single-socket 1U rack server with Intel Xeon E-2300 Series processors.
+weight: 12.3
+weight_unit: kg
+front_image: true
+rear_image: true
+comments: |
+  Withdrawn from marketing. Supports up to 4x 3.5-inch or 10x 2.5-inch hot-swap drives.
+  Reference: https://lenovopress.lenovo.com/lp1549-thinksystem-sr250-v2
+interfaces:
+  - name: eno1
+    type: 1000base-t
+    description: Onboard 1GbE RJ45 port 1
+  - name: eno2
+    type: 1000base-t
+    description: Onboard 1GbE RJ45 port 2
+  - name: XCC
+    type: 1000base-t
+    mgmt_only: true
+    description: Lenovo XClarity Controller (XCC) management port
+module-bays:
+  - name: PSU1
+    position: '1'
+  - name: PSU2
+    position: '2'
diff --git a/device-types/Synology/RS819.yaml b/device-types/Synology/RS819.yaml
new file mode 100644
index 00000000..715135bc
--- /dev/null
+++ b/device-types/Synology/RS819.yaml
@@ -0,0 +1,35 @@
+---
+manufacturer: Synology
+model: RS819
+slug: synology-rs819
+part_number: RS819
+u_height: 1
+is_full_depth: false
+airflow: front-to-rear
+description: Synology RackStation RS819 1U rackmount NAS with quad-core processor and 4x 3.5-inch/2.5-inch drive bays.
+weight: 4.34
+weight_unit: kg
+front_image: true
+rear_image: true
+comments: |
+  Supports 4x 3.5-inch or 2.5-inch hot-swap SATA drives. Includes 2x 1GbE LAN ports and 2x USB 3.0 ports.
+  Reference: https://global.download.synology.com/download/Document/Hardware/DataSheet/RackStation/19-year/RS819/enu/Synology_RS819_Data_Sheet_enu.pdf
+interfaces:
+  - name: LAN1
+    type: 1000base-t
+    mgmt_only: false
+    description: 1GbE RJ45 LAN port 1
+  - name: LAN2
+    type: 1000base-t
+    mgmt_only: false
+    description: 1GbE RJ45 LAN port 2
+console-ports:
+  - name: Console
+    type: de-9
+    description: Serial console port (DE-9)
+power-ports:
+  - name: PSU1
+    type: iec-60320-c14
+    maximum_draw: 100
+    allocated_draw: 100
+    description: Primary power supply (100W)
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