portspec

RS521A-E12-RS12U

ASUS server, 19-inch rack, 2U. 3 × 1000BASE-T.

ASUS RS521A-E12-RS12U, front, drawn from its port list

Generated drawing. Port count and types are from the data; port positions are approximate.

Ports

PortTypeSpeedSideNotes
2 × gig-e-1 – gig-e-21000BASE-T1Gfront—
mgmt1000BASE-T1Gfrontmanagement

Specifications

Vendor
ASUS
Type
Server
Mounting
19-inch rack, 2U
Weight
18 kg
Ports
3

Source: the NetBox device type library. Vendor's page.

YAML

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# ASUS RS521A-E12-RS12U
# Converted from the punchdown catalog on 2026-11-10. Source of the data: netbox. Image link found by web research on 2026-11-11.
network: 1
imports:
  - ../../defaults/types.network.yaml
models:
  asus/rs521a-e12-rs12u:
    name: RS521A-E12-RS12U
    vendor: ASUS
    role: server
    mount: 19in
    size: { units: 2 }
    weight: 18
    ports:
      gig-e-1..2: { type: 1000base-t, native: "Gig-E {n}" }
      mgmt: { type: 1000base-t, role: management, native: MGMT }
    x-airflow: front-to-rear
    x-full-depth: true
    x-module-bays: 2
    source:
      url: https://dlcdnets.asus.com/pub/ASUS/server/RS521A-E12-RS12U/DataSheet/DataSheet_RS521A-E12-RS12U_20251016.pdf
      x-link: not found
      x-from: netbox
      x-netbox: asus-rs521a-e12-rs12u
      x-reference-image: https://dlcdnwebimgs.asus.com/gain/699ffb02-242e-4b7f-825a-d3ca686c3833/
      x-researched: 2026-11-11