diff --git a/device-types/Cisco/NCS-5501-SE.yaml b/device-types/Cisco/NCS-5501-SE.yaml
new file mode 100644
index 000000000..48840b63a
--- /dev/null
+++ b/device-types/Cisco/NCS-5501-SE.yaml
@@ -0,0 +1,106 @@
+manufacturer: Cisco
+model: NCS 5501-SE
+slug: ncs-5501-se
+part_number: NCS-5501-SE
+is_full_depth: false
+interfaces:
+  - name: MgmtEth0/RP0/CPU0/0
+    type: 1000base-t
+    mgmt_only: true
+  - name: TenGigE0/0/0/0
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/1
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/2
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/3
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/4
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/5
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/6
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/7
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/8
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/9
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/10
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/11
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/12
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/13
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/14
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/15
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/16
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/17
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/18
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/19
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/20
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/21
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/22
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/23
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/24
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/25
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/26
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/27
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/28
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/29
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/30
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/31
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/32
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/33
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/34
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/35
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/36
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/37
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/38
+    type: 10gbase-x-sfpp
+  - name: TenGigE0/0/0/39
+    type: 10gbase-x-sfpp
+  - name: HundredGigE0/0/1/0
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/1/1
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/1/2
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/1/3
+    type: 100gbase-x-qsfp28
+power-ports:
+  - name: PSU0
+    type: iec-60320-c14
+  - name: PSU1
+    type: iec-60320-c14
+console-ports:
+  - name: Console
+    type: rj-45
+
diff --git a/device-types/Cisco/NCS-55A1-24H.yaml b/device-types/Cisco/NCS-55A1-24H.yaml
new file mode 100644
index 000000000..c0040d88a
--- /dev/null
+++ b/device-types/Cisco/NCS-55A1-24H.yaml
@@ -0,0 +1,66 @@
+manufacturer: Cisco
+model: NCS 55A1-24H
+slug: ncs-55a1-24h
+part_number: NCS-55A1-24H
+is_full_depth: false
+interfaces:
+  - name: MgmtEth0/RP0/CPU0/0
+    type: 1000base-t
+    mgmt_only: true
+  - name: HundredGigE0/0/0/0
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/1
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/2
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/3
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/4
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/5
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/6
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/7
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/8
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/9
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/10
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/11
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/12
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/13
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/14
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/15
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/16
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/17
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/18
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/19
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/20
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/21
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/22
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/23
+    type: 100gbase-x-qsfp28
+power-ports:
+  - name: PSU0
+    type: iec-60320-c14
+  - name: PSU1
+    type: iec-60320-c14
+console-ports:
+  - name: Console
+    type: rj-45
+
diff --git a/device-types/Cisco/NCS-55A1-36H-S.yaml b/device-types/Cisco/NCS-55A1-36H-S.yaml
new file mode 100644
index 000000000..fc70d452d
--- /dev/null
+++ b/device-types/Cisco/NCS-55A1-36H-S.yaml
@@ -0,0 +1,90 @@
+manufacturer: Cisco
+model: NCS 55A1-36H-S
+slug: ncs-55a1-36h-s
+part_number: NCS-55A1-36H-S
+is_full_depth: false
+interfaces:
+  - name: MgmtEth0/RP0/CPU0/0
+    type: 1000base-t
+    mgmt_only: true
+  - name: HundredGigE0/0/0/0
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/1
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/2
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/3
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/4
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/5
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/6
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/7
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/8
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/9
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/10
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/11
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/12
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/13
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/14
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/15
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/16
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/17
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/18
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/19
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/20
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/21
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/22
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/23
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/24
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/25
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/26
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/27
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/28
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/29
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/30
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/31
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/32
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/33
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/34
+    type: 100gbase-x-qsfp28
+  - name: HundredGigE0/0/0/35
+    type: 100gbase-x-qsfp28
+power-ports:
+  - name: PSU0
+    type: iec-60320-c14
+  - name: PSU1
+    type: iec-60320-c14
+console-ports:
+  - name: Console
+    type: rj-45
+