---
manufacturer: Keysight
model: AresONE-S400GDR-16PHW-8P-QDD
slug: keysight-aresone-s400gdr-16phw-8p-qdd
part_number: 944-1301
description: IXIA, AresONE S400GDR-16PHW-8P-QDD, High Density, 8-port, reduced performance fixed chassis model with native QSFP-DD 400GE (PAM4) physical
  interfaces and L1-3 support (944-1301)
u_height: 2
weight: 65
weight_unit: lb
airflow: front-to-rear
is_full_depth: true
comments: |
  [AresONE-S-400GE QSFP-DD High-Density 16-Port Test System Data Sheet](https://www.keysight.com/us/en/assets/3121-1007/data-sheets/AresONE-S-400GE-QSFP-DD-High-Density-16-Port-Test-System.pdf)
front_image: true
rear_image: true
console-ports:
  - name: Console
    type: rj-45
module-bays:
  - name: PS1
    position: '1'
  - name: PS2
    position: '2'
  - name: PS3
    position: '3'
interfaces:
  - name: MGMT
    type: 10gbase-t
    mgmt_only: true
  - name: '1'
    type: 400gbase-x-qsfpdd
  - name: '2'
    type: 400gbase-x-qsfpdd
  - name: '3'
    type: 400gbase-x-qsfpdd
  - name: '4'
    type: 400gbase-x-qsfpdd
  - name: '5'
    type: 400gbase-x-qsfpdd
  - name: '6'
    type: 400gbase-x-qsfpdd
  - name: '7'
    type: 400gbase-x-qsfpdd
  - name: '8'
    type: 400gbase-x-qsfpdd