---
manufacturer: QNAP
model: TS-1685
slug: qnap-ts-1685-d1521-16g-550w
part_number: TS-1685-D1521-16G-550W
u_height: 0
is_full_depth: false
airflow: front-to-rear
weight: 29.52
weight_unit: lb
comments: '[TS-1685-D1521-16G-550W | Hardware Specs | QNAP](https://www.qnap.com/en/product/ts-1685/specs/hardware)'
power-ports:
  - name: PSU 1
    type: iec-60320-c14
    maximum_draw: 550
    allocated_draw: 250
interfaces:
  - name: eth0
    type: 1000base-t
    label: Adapter1
  - name: eth1
    type: 1000base-t
    label: Adapter2
  - name: eth2
    type: 1000base-t
    label: Adapter3
  - name: eth3
    type: 1000base-t
    label: Adapter4
  - name: eth4
    type: 1000base-t
    label: Adapter5
  - name: eth5
    type: 10gbase-t
    label: Adapter5
  - name: eth6
    type: 10gbase-t
    label: Adapter6