Which way does the air flow on the QFX5120-48Y-AFO?

The airflow of the QFX5120-48Y-AFO is front-to-back (AFO).

What ports does the QFX5120-48Y-AFO have?

The QFX5120-48Y-AFO has 48 × 1/10/25GbE, with uplinks of 8x 40/100GbE QSFP28 and 56 data ports in all.

What is the throughput of the QFX5120-48Y-AFO?

The QFX5120-48Y-AFO has a throughput of 4 Tbps.

How much rack space does the QFX5120-48Y-AFO take?

The QFX5120-48Y-AFO takes 1U of rack space.

What software does the QFX5120-48Y-AFO run?

The QFX5120-48Y-AFO runs Junos OS.

Is the Juniper QFX5120-48Y end of life?

Juniper ended the sale of the Juniper QFX5120-48Y (AFI, AFO, DC-AFI) on October 4, 2021. The dates are from the maker notice linked in the end of sale table on this page. The hardware keeps working after them; what ends is the maker's side: new software fixes, support cases and replacement under a maker contract.

QFX5120-48Y-AFO Juniper Switch, Front-to-Back, 48x 1/10/25GbE SFP28 and 8x 100GbE QSFP28

Condition: Refurbished, tested & guaranteed
WARRANTY & RETURNS: QFX5120-48Y-AFO 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

$9,895

Orders placed by 12pm ship the same day.

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

The Juniper QFX5120-48Y-AFO is a switch from the Juniper QFX5120 family with 48 ports of 1/10/25GbE SFP28, 8 ports of 100GbE QSFP28, front-to-back airflow and AC power. It is a Layer 3 managed platform that runs Junos OS, with a 1U rack-mount form factor. This unit is refurbished (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

QFX5120-48Y-AFI
Refurbished, tested & guaranteedAirflow: Back-to-front (AFI)In stock
$9,895
QFX5120-48Y-DC-AFI
Used, tested & guaranteedAirflow: Back-to-front (AFI)In stock
$9,895

HOW IT DIFFERS: QFX5120-48Y-AFO has front-to-back airflow; its sister QFX5120-48Y-AFI has back-to-front airflow.

Model: QFX5120-48Y-AFO
Network Ports: 48 × 1/10/25GbE
Connectors: SFP28, QSFP28
Type: Switch
Condition: Refurbished, tested & guaranteed

Technical details

Brand	Juniper
Family	QFX5120
Uplinks	8x 40/100GbE QSFP28
Total ports	56
Fastest port	100GbE
Layer	Layer 3 (managed)
Operating system	Junos OS
Form factor	1U rack-mount
Rack units	1U
Airflow	Front-to-back (AFO)
Power input	AC
Throughput	4 Tbps
Fans	five fan modules (4+1 redundancy)

Juniper datasheet

Testing process

End of sale and support

Model	Announced	End of sale	Notice
Juniper QFX5120-48Y (AFI, AFO, DC-AFI)	2021-01-20	2021-10-04	Juniper notice

Juniper lists the QFX5120-48Y-AFI, -AFO and -DC-AFI part numbers under a SKU transformation notice (TSB17951) and gives no end of support date for them.

What buyers ask

Can I get a price and the quantity available for the QFX5120-48Y-AFO?: Yes. Use Request a quote on this page with the part number QFX5120-48Y-AFO and the quantity you need. A firm price and the quantity available come back, typically the same business day.
Does the QFX5120-48Y-AFO ship to my address?: Ground shipping within the US is free. Faster services, including overnight, are charged at the carrier's rate, shown at checkout before payment. Worldwide delivery is available on request, and international buyers cover import duties and taxes unless quoted otherwise.
What condition is the QFX5120-48Y-AFO in?: The QFX5120-48Y-AFO on this page is Refurbished, Tested & Guaranteed.

Questions and answers

Which way does the air flow on the QFX5120-48Y-AFO?: The airflow of the QFX5120-48Y-AFO is front-to-back (AFO).
What ports does the QFX5120-48Y-AFO have?: The QFX5120-48Y-AFO has 48 × 1/10/25GbE, with uplinks of 8x 40/100GbE QSFP28 and 56 data ports in all.
What is the throughput of the QFX5120-48Y-AFO?: The QFX5120-48Y-AFO has a throughput of 4 Tbps.
What power does the QFX5120-48Y-AFO use?: The QFX5120-48Y-AFO uses AC.
How much rack space does the QFX5120-48Y-AFO take?: The QFX5120-48Y-AFO takes 1U of rack space.
What software does the QFX5120-48Y-AFO run?: The QFX5120-48Y-AFO runs Junos OS.
Is the Juniper QFX5120-48Y end of life?: Juniper ended the sale of the Juniper QFX5120-48Y (AFI, AFO, DC-AFI) on October 4, 2021. The dates are from the maker notice linked in the end of sale table on this page. The hardware keeps working after them; what ends is the maker's side: new software fixes, support cases and replacement under a maker contract.

Juniper QFX5120-48Y-AFO / 48x 25GbE SFP28 + 8x 100GbE QSFP28 (breakout to 4x25GbE), front-to-back (port-side intake, AFO) airflow, 1U, up to 4 Tbps

WHAT'S INCLUDED

One (1) Juniper QFX5120-48Y-AFO. Includes a rack-mount kit and the power cable(s) to match the switch.

CONDITION & TESTING

Condition: Refurbished, Tested & Guaranteed QFX5120-48Y-AFO was tested by Townsend Networks technicians before listing. The test process is on the testing process.