---
manufacturer: Juniper
model: QFX5120-48YM-DC-AO
slug: juniper-qfx5120-48ym-dc-ao
part_number: QFX5120-48YM-DC-AO
u_height: 1
weight: 24.8
weight_unit: lb
airflow: front-to-rear
is_full_depth: true
comments: '[Juniper QFX5120 Data Sheet](https://www.juniper.net/content/dam/www/assets/datasheets/us/en/switches/qfx5120-ethernet-switch-datasheet.pdf)'
console-ports:
  - name: Console
    type: rj-45
module-bays:
  - name: PSU 0
    position: '0'
  - name: PSU 1
    position: '1'
interfaces:
  - name: fxp0
    type: 1000base-t
    mgmt_only: true
  - name: et-0/0/0
    type: 25gbase-x-sfp28
  - name: et-0/0/1
    type: 25gbase-x-sfp28
  - name: et-0/0/2
    type: 25gbase-x-sfp28
  - name: et-0/0/3
    type: 25gbase-x-sfp28
  - name: et-0/0/4
    type: 25gbase-x-sfp28
  - name: et-0/0/5
    type: 25gbase-x-sfp28
  - name: et-0/0/6
    type: 25gbase-x-sfp28
  - name: et-0/0/7
    type: 25gbase-x-sfp28
  - name: et-0/0/8
    type: 25gbase-x-sfp28
  - name: et-0/0/9
    type: 25gbase-x-sfp28
  - name: et-0/0/10
    type: 25gbase-x-sfp28
  - name: et-0/0/11
    type: 25gbase-x-sfp28
  - name: et-0/0/12
    type: 25gbase-x-sfp28
  - name: et-0/0/13
    type: 25gbase-x-sfp28
  - name: et-0/0/14
    type: 25gbase-x-sfp28
  - name: et-0/0/15
    type: 25gbase-x-sfp28
  - name: et-0/0/16
    type: 25gbase-x-sfp28
  - name: et-0/0/17
    type: 25gbase-x-sfp28
  - name: et-0/0/18
    type: 25gbase-x-sfp28
  - name: et-0/0/19
    type: 25gbase-x-sfp28
  - name: et-0/0/20
    type: 25gbase-x-sfp28
  - name: et-0/0/21
    type: 25gbase-x-sfp28
  - name: et-0/0/22
    type: 25gbase-x-sfp28
  - name: et-0/0/23
    type: 25gbase-x-sfp28
  - name: et-0/0/24
    type: 25gbase-x-sfp28
  - name: et-0/0/25
    type: 25gbase-x-sfp28
  - name: et-0/0/26
    type: 25gbase-x-sfp28
  - name: et-0/0/27
    type: 25gbase-x-sfp28
  - name: et-0/0/28
    type: 25gbase-x-sfp28
  - name: et-0/0/29
    type: 25gbase-x-sfp28
  - name: et-0/0/30
    type: 25gbase-x-sfp28
  - name: et-0/0/31
    type: 25gbase-x-sfp28
  - name: et-0/0/32
    type: 25gbase-x-sfp28
  - name: et-0/0/33
    type: 25gbase-x-sfp28
  - name: et-0/0/34
    type: 25gbase-x-sfp28
  - name: et-0/0/35
    type: 25gbase-x-sfp28
  - name: et-0/0/36
    type: 25gbase-x-sfp28
  - name: et-0/0/37
    type: 25gbase-x-sfp28
  - name: et-0/0/38
    type: 25gbase-x-sfp28
  - name: et-0/0/39
    type: 25gbase-x-sfp28
  - name: et-0/0/40
    type: 25gbase-x-sfp28
  - name: et-0/0/41
    type: 25gbase-x-sfp28
  - name: et-0/0/42
    type: 25gbase-x-sfp28
  - name: et-0/0/43
    type: 25gbase-x-sfp28
  - name: et-0/0/44
    type: 25gbase-x-sfp28
  - name: et-0/0/45
    type: 25gbase-x-sfp28
  - name: et-0/0/46
    type: 25gbase-x-sfp28
  - name: et-0/0/47
    type: 25gbase-x-sfp28
  - name: et-0/0/48
    type: 100gbase-x-qsfp28
  - name: et-0/0/49
    type: 100gbase-x-qsfp28
  - name: et-0/0/50
    type: 100gbase-x-qsfp28
  - name: et-0/0/51
    type: 100gbase-x-qsfp28
  - name: et-0/0/52
    type: 100gbase-x-qsfp28
  - name: et-0/0/53
    type: 100gbase-x-qsfp28
  - name: et-0/0/54
    type: 100gbase-x-qsfp28
  - name: et-0/0/55
    type: 100gbase-x-qsfp28