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Juniper QFX5120-48Y-AFI switch
Juniper

Juniper QFX5120-48Y 48 x 25G and 8 x 100G Switch, AC, Back-to-Front

MPNQFX5120-48Y-AFI

Also known as QFX5120-48Y-AFI2

The Juniper QFX5120-48Y-AFI is a data center switch with 48 x 25G SFP28 and 8 x 100G QSFP28 ports, 4000 Gbps of switching capacity and back-to-front airflow.

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Tested, cleaned and graded. Fully functional, with warranty.

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Juniper QFX5120-48Y 48 x 25G and 8 x 100G Switch, AC, Back-to-Front

QFX5120-48Y-AFI · Refurbished · 1 year warranty

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Overview

Fifty-six ports make up the Juniper QFX5120-48Y-AFI: 48 SFP28 ports that run at 1, 10 or 25GbE, and 8 QSFP28 uplinks at 40 or 100GbE. That mix lets one switch serve 25G servers today while still accepting 10G and 1G links. Switching capacity is 4000 Gbps.

The control plane runs on a 2.2 GHz quad-core Intel processor with 16 GB of memory and a 50 GB SSD.

Two 650 W AC power supplies are redundant, and 5 hot-swappable fan modules cool the chassis. Airflow is back-to-front (AFI), for racks where the switch ports face the hot aisle.

This switch is available Refurbished with a choice of 1 year or 3 years of warranty, or Used with 90 days. Include the optics or cables you need for the SFP28 and QSFP28 ports, and we will price them together.

Specifications

Juniper QFX5120-48Y-AFI specifications
Manufacturer part numberQFX5120-48Y-AFI
BrandJuniper
Fans5 fan modules, hot-swappable
AirflowBack-to-front (AFI)
Storage50 GB SSD
Memory16 GB
Processor2.2 GHz quad-core Intel
Total ports56
Uplink ports8 x QSFP28 (40/100GbE)
Downlink ports48 x SFP28 (1/10/25GbE)
Maximum port speed100GbE
Power supplies2 x 650 W AC (JPSU-650W-AC-AI), redundant
Switching capacity4,000 Gb/s

Specifications from the manufacturer's datasheet ↗

Alternative part numbers

Other numbers for QFX5120-48Y-AFI, as printed on labels, spare-parts lists and manufacturer documents. Search works with any of them.

Alternative part numbers for QFX5120-48Y-AFI
Part numberTypeBrandNote
QFX5120-48Y-AFI2ReplacementSame brandReplaced by QFX5120-48Y-AFI2Current QFX5120 hardware guide lists AFO2/AFI2 SKUs (same 48 x SFP28 + 8 x QSFP28, 2 x 650 W AC, back-to-front); mirrors existing QFX5120-48Quote this part number

FAQ

What speeds do the SFP28 ports on the QFX5120-48Y-AFI support?
1, 10 and 25GbE.
How many 100G uplinks does it have?
8 x QSFP28 ports at 40/100GbE.
What is the switching capacity?
4000 Gbps.
Which airflow direction does the QFX5120-48Y-AFI use?
Back-to-front (AFI).

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