---
manufacturer: Arista
model: DCS-7280QR-C72M-R
slug: arista-dcs-7280qr-c72m-r
part_number: DCS-7280QR-C72M-R
u_height: 2
weight: 47.3
weight_unit: lb
airflow: rear-to-front
is_full_depth: false
comments: '[Arista 7280R Data Sheet](https://www.arista.com/assets/data/pdf/Datasheets/7280R-DataSheet.pdf)'
console-ports:
  - name: Console
    type: rj-45
module-bays:
  - name: PSU 1
    position: '0'
  - name: PSU 2
    position: '1'
interfaces:
  - name: Management1
    type: 1000base-t
    mgmt_only: true
# QSFP+(40G) ports can be broken into 4x10 with a model of [1-56]/[1-4]
  - name: Ethernet1/1
    type: 40gbase-x-qsfpp
  - name: Ethernet2/1
    type: 40gbase-x-qsfpp
  - name: Ethernet3/1
    type: 40gbase-x-qsfpp
  - name: Ethernet4/1
    type: 40gbase-x-qsfpp
  - name: Ethernet5/1
    type: 40gbase-x-qsfpp
  - name: Ethernet6/1
    type: 40gbase-x-qsfpp
  - name: Ethernet7/1
    type: 40gbase-x-qsfpp
  - name: Ethernet8/1
    type: 40gbase-x-qsfpp
  - name: Ethernet9/1
    type: 40gbase-x-qsfpp
  - name: Ethernet10/1
    type: 40gbase-x-qsfpp
  - name: Ethernet11/1
    type: 40gbase-x-qsfpp
  - name: Ethernet12/1
    type: 40gbase-x-qsfpp
  - name: Ethernet13/1
    type: 40gbase-x-qsfpp
  - name: Ethernet14/1
    type: 40gbase-x-qsfpp
  - name: Ethernet15/1
    type: 40gbase-x-qsfpp
  - name: Ethernet16/1
    type: 40gbase-x-qsfpp
  - name: Ethernet17/1
    type: 40gbase-x-qsfpp
  - name: Ethernet18/1
    type: 40gbase-x-qsfpp
  - name: Ethernet19/1
    type: 40gbase-x-qsfpp
  - name: Ethernet20/1
    type: 40gbase-x-qsfpp
  - name: Ethernet21/1
    type: 40gbase-x-qsfpp
  - name: Ethernet22/1
    type: 40gbase-x-qsfpp
  - name: Ethernet23/1
    type: 40gbase-x-qsfpp
  - name: Ethernet24/1
    type: 40gbase-x-qsfpp
  - name: Ethernet25/1
    type: 40gbase-x-qsfpp
  - name: Ethernet26/1
    type: 40gbase-x-qsfpp
  - name: Ethernet27/1
    type: 40gbase-x-qsfpp
  - name: Ethernet28/1
    type: 40gbase-x-qsfpp
  - name: Ethernet29/1
    type: 40gbase-x-qsfpp
  - name: Ethernet30/1
    type: 40gbase-x-qsfpp
  - name: Ethernet31/1
    type: 40gbase-x-qsfpp
  - name: Ethernet32/1
    type: 40gbase-x-qsfpp
  - name: Ethernet33/1
    type: 40gbase-x-qsfpp
  - name: Ethernet34/1
    type: 40gbase-x-qsfpp
  - name: Ethernet35/1
    type: 40gbase-x-qsfpp
  - name: Ethernet36/1
    type: 40gbase-x-qsfpp
  - name: Ethernet37/1
    type: 40gbase-x-qsfpp
  - name: Ethernet38/1
    type: 40gbase-x-qsfpp
  - name: Ethernet39/1
    type: 40gbase-x-qsfpp
  - name: Ethernet40/1
    type: 40gbase-x-qsfpp
  - name: Ethernet41/1
    type: 40gbase-x-qsfpp
  - name: Ethernet42/1
    type: 40gbase-x-qsfpp
  - name: Ethernet43/1
    type: 40gbase-x-qsfpp
  - name: Ethernet44/1
    type: 40gbase-x-qsfpp
  - name: Ethernet45/1
    type: 40gbase-x-qsfpp
  - name: Ethernet46/1
    type: 40gbase-x-qsfpp
  - name: Ethernet47/1
    type: 40gbase-x-qsfpp
  - name: Ethernet48/1
    type: 40gbase-x-qsfpp
  - name: Ethernet49/1
    type: 40gbase-x-qsfpp
  - name: Ethernet50/1
    type: 40gbase-x-qsfpp
  - name: Ethernet51/1
    type: 40gbase-x-qsfpp
  - name: Ethernet52/1
    type: 40gbase-x-qsfpp
  - name: Ethernet53/1
    type: 40gbase-x-qsfpp
  - name: Ethernet54/1
    type: 40gbase-x-qsfpp
  - name: Ethernet55/1
    type: 40gbase-x-qsfpp
  - name: Ethernet56/1
    type: 40gbase-x-qsfpp
# QSFP28(100G) ports can be broke into 4x25 with a model of [57-72]/[1-4]
  - name: Ethernet57/1
    type: 100gbase-x-qsfp28
  - name: Ethernet58/1
    type: 100gbase-x-qsfp28
  - name: Ethernet59/1
    type: 100gbase-x-qsfp28
  - name: Ethernet60/1
    type: 100gbase-x-qsfp28
  - name: Ethernet61/1
    type: 100gbase-x-qsfp28
  - name: Ethernet62/1
    type: 100gbase-x-qsfp28
  - name: Ethernet63/1
    type: 100gbase-x-qsfp28
  - name: Ethernet64/1
    type: 100gbase-x-qsfp28
  - name: Ethernet65/1
    type: 100gbase-x-qsfp28
  - name: Ethernet66/1
    type: 100gbase-x-qsfp28
  - name: Ethernet67/1
    type: 100gbase-x-qsfp28
  - name: Ethernet68/1
    type: 100gbase-x-qsfp28
  - name: Ethernet69/1
    type: 100gbase-x-qsfp28
  - name: Ethernet70/1
    type: 100gbase-x-qsfp28
  - name: Ethernet71/1
    type: 100gbase-x-qsfp28
  - name: Ethernet72/1
    type: 100gbase-x-qsfp28