---
manufacturer: Cisco
model: N77-C7718
description: Nexus 7700 18-Slot Switch
slug: cisco-n77-c7718
part_number: N77-C7718
comments: '[Data Sheet](https://www.cisco.com/c/en/us/products/collateral/switches/nexus-7000-series-switches/data_sheet_c78-728187.pdf)'
u_height: 26
weight: 136.0
weight_unit: kg
airflow: front-to-rear
is_full_depth: true
module-bays:
  - name: Slot 1
    position: '1'
    description: Line Card
  - name: Slot 2
    position: '2'
    description: Line Card
  - name: Slot 3
    position: '3'
    description: Line Card
  - name: Slot 4
    position: '4'
    description: Line Card
  - name: Slot 5
    position: '5'
    description: Line Card
  - name: Slot 6
    position: '6'
    description: Line Card
  - name: Slot 7
    position: '7'
    description: Line Card
  - name: Slot 8
    position: '8'
    description: Line Card
  - name: Slot 9
    position: '9'
    description: Supervisor Module
  - name: Slot 10
    position: '10'
    description: Supervisor Module
  - name: Slot 11
    position: '11'
    description: Line Card
  - name: Slot 12
    position: '12'
    description: Line Card
  - name: Slot 13
    position: '13'
    description: Line Card
  - name: Slot 14
    position: '14'
    description: Line Card
  - name: Slot 15
    position: '15'
    description: Line Card
  - name: Slot 16
    position: '16'
    description: Line Card
  - name: Slot 17
    position: '17'
    description: Line Card
  - name: Slot 18
    position: '18'
    description: Line Card
  - name: PSU0
    position: '0'
    description: Power supply
  - name: PSU1
    position: '1'
    description: Power supply
  - name: PSU2
    position: '2'
    description: Power supply
  - name: PSU3
    position: '3'
    description: Power supply
  - name: PSU4
    position: '4'
    description: Power supply
  - name: PSU5
    position: '5'
    description: Power supply
  - name: PSU6
    position: '6'
    description: Power supply
  - name: PSU7
    position: '7'
    description: Power supply
  - name: PSU8
    position: '8'
    description: Power supply
  - name: PSU9
    position: '9'
    description: Power supply
  - name: PSU10
    position: '10'
    description: Power supply
  - name: PSU11
    position: '11'
    description: Power supply
  - name: PSU12
    position: '12'
    description: Power supply
  - name: PSU13
    position: '13'
    description: Power supply
  - name: PSU14
    position: '14'
    description: Power supply
  - name: PSU15
    position: '15'
    description: Power supply