Which way does the air flow on the QFX5120-32C-AFI?

The airflow of the QFX5120-32C-AFI is back-to-front (AFI).

What ports does the QFX5120-32C-AFI have?

The QFX5120-32C-AFI has 32 × 40/100GbE, with uplinks of 2x 10GbE SFP+ and 34 data ports in all.

What software does the QFX5120-32C-AFI run?

The QFX5120-32C-AFI runs Junos OS.

QFX5120-32C-AFI Juniper Switch, Back-Front, 6.4 Tbps, Used, 32x 40/100GbE QSFP28 and 2x 1/10GbE SFP+

Condition: Used, tested & guaranteed
WARRANTY & RETURNS: QFX5120-32C-AFI has a 3-year warranty and a 30-day return policy. DOA units are replaced or refunded. Full terms are on the warranty page and the refund policy.
Availability: In stock

$8,995

A firm price comes back, typically the same business day. Prefer a PO or wire? We take those too. Just ask.

The Juniper QFX5120-32C-AFI is a switch with 32 ports of 40/100GbE QSFP28, 2 ports of 1/10GbE SFP+ and back-to-front airflow. It is a Layer 3 managed platform that runs Junos OS, with a 1U rack-mount form factor. This unit is used: inspected, powered on and functionally tested by Townsend Networks technicians before listing. One switch per order, with a rack-mount kit and the power cable(s) to match.

Other versions

QFX5120-32C-AFO
NewAirflow: Front-to-back (AFO)In stock
$9,895

Compatible with: 32 QSFP28 ports for 100GbE or 40GbE, plus 2 SFP+ ports at 10GbE. Ports 0 to 30 channelize to four 10GbE or four 25GbE interfaces, or two 50GbE on ports up to 31; port 31 does not support 4x10GbE or 4x25GbE. Two 650 W AC power supplies and six fan modules, both with back-to-front airflow on this -AFI model.
HOW IT DIFFERS: This QFX5120-32C-AFI listing is a used unit with 32x 40/100GbE QSFP28 and 2x 1/10GbE SFP+. The other QFX5120-32C-AFI listing is a used unit with 32x 40/100GbE QSFP28. QFX5120-32C-AFI has back-to-front airflow; its sister QFX5120-32C-AFO has front-to-back airflow.

Model: QFX5120-32C-AFI
Network Ports: 32 × 40/100GbE
Connectors: QSFP28, SFP+
Type: Switch
Condition: Used, tested & guaranteed

Technical details

Brand	Juniper
Uplinks	2x 10GbE SFP+
Total ports	34
Management ports	RJ-45 management port (MGMT)
Layer	Layer 3 (managed)
Operating system	Junos OS
Form factor	1U rack-mount
Airflow	Back-to-front (AFI)
Fans	Six fan modules, back-to-front airflow (label B2F, blue handle)
Power supplies	Two 650 W AC power supplies, back-to-front airflow (blue ejector lever)
Switching capacity	6.4 Tbps aggregate throughput, bidirectional
Stacking	Virtual Chassis of up to 2 switches, QSFP28 ports 0 through 31
Console port	RJ-45 console port (CON)

Juniper datasheet

Testing process

Questions and answers

Which way does the air flow on the QFX5120-32C-AFI?: The airflow of the QFX5120-32C-AFI is back-to-front (AFI).
What ports does the QFX5120-32C-AFI have?: The QFX5120-32C-AFI has 32 × 40/100GbE, with uplinks of 2x 10GbE SFP+ and 34 data ports in all.
What software does the QFX5120-32C-AFI run?: The QFX5120-32C-AFI runs Junos OS.

Juniper QFX5120-32C-AFI / QFX5120 switch, 32x 100GbE QSFP28 (or 40GbE QSFP+) ports, back-to-front airflow, 6.4 Tbps, 1U

WHAT'S INCLUDED

One (1) Juniper QFX5120-32C-AFI. Includes a rack-mount kit and the power cable(s) to match the switch.

CONDITION & TESTING

Condition: Used, Tested & Guaranteed QFX5120-32C-AFI was tested by Townsend Networks technicians before listing. The test process is on /testing-process.