portspec

CRS310-1G-5S-4S+IN

MikroTik switch, desktop or wall. 5 × SFP (1GE), 4 × SFP+ (10GE), 1 × 1000BASE-T.

MikroTik CRS310-1G-5S-4S+IN, front, drawn from its port list

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

Ports

PortTypeSpeedSideNotes
ether11000BASE-T1GfrontPoE+ in (802.3at)
4 × sfp-sfpplus1 – sfp-sfpplus4SFP+ (10GE)10Gfront—
5 × sfp1 – sfp5SFP (1GE)1Gfront—
serial0Console (RJ45)—frontconsole
psu1DC terminal—rearpower

Specifications

Vendor
MikroTik
Type
Switch
Mounting
Desktop or wall
Size
200 mm width, 44 mm height, 166 mm depth
Power
20 W at most, 1 inlet
Ports
12
Also known as
CRS310-1G-5S-4S+, CRS310-1G-5S-4S+-IN

Source: the vendor's own site and the NetBox device type library. Vendor's page, checked 2026-11-11.

YAML

# MikroTik CRS310-1G-5S-4S+IN
# Converted from the punchdown catalog on 2026-11-10. Source of the data: vendor and netbox.
network: 1
imports:
  - ../../defaults/types.network.yaml
models:
  mikrotik/crs310-1g-5s-4s+in:
    name: CRS310-1G-5S-4S+IN
    vendor: MikroTik
    role: switch
    aliases: [ CRS310-1G-5S-4S+, CRS310-1G-5S-4S+-IN ]
    size: { width: 200, height: 44, depth: 166 }
    power: { max: 20, inlets: 1 }
    x-assumed: [ power ports are on the rear ]
    ports:
      ether1: { type: 1000base-t, poe: at-in }
      sfp-sfpplus1..4: { type: 10gbase-x-sfpp }
      sfp1..5: { type: 1000base-x-sfp }
      serial0: { type: console-rj-45, role: console }
      psu1: { type: dc-terminal, role: power, side: rear }
    x-family: switches
    x-part-number: CRS310-1G-5S-4S+
    source:
      url: https://mikrotik.com/product/crs310_1g_5s_4s_in
      checked: 2026-11-11
      x-from: vendor and netbox
      x-netbox: mikrotik-crs310-1g-5s-4s-plus-in
      x-reference-image: https://cdn.mikrotik.com/web-assets/rb_images/2147_hi_res.png