Juniper QFX5120 Switches
The Juniper QFX5120 are 1U data center switches. The QFX5120-32C has 32 100GbE QSFP28 ports (or 40GbE QSFP+) and 2 10GbE SFP+ ports, 3.2/6.4 Tbps of switching capacity (uni/bidirectional) and latency as low as 800 nanoseconds. The QFX5120-48Y gives 2/4 Tbps. AFO models move air front to back (airflow out) and AFI models move air back to front (airflow in).
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Juniper QFX5120 facts from the maker
- QFX5120-32C
- 32 x 100GbE QSFP28 (or 40GbE QSFP+) + 2 x 10GbE SFP+; 3.2/6.4 Tbps; 1U Source: QFX5120 Ethernet Switch Datasheet
- QFX5120-48Y
- 2/4 Tbps switching capacity (uni/bidirectional) Source: QFX5120 Ethernet Switch Datasheet
- Latency
- As low as 800 nanoseconds (QFX5120-32C) Source: QFX5120 Ethernet Switch Datasheet
- Airflow
- AFO: front to back (airflow out); AFI: back to front (airflow in) Source: QFX5120 Ethernet Switch Datasheet
Updated
Guides on the Juniper QFX5120
Rangeto
Juniper QFX5120 Switches in the catalog
QFX5120-48Y-AFI Juniper Switch, Back-to-Front, 48x 1/10/25GbE SFP28 and 8x 100GbE QSFP28
Refurbished, tested & guaranteed
In stock
$9,895Ships same day
QFX5120-32C-AFO Juniper Switch, Front-to-Back Airflow, New, 32x 40/100GbE QSFP28 and 2x 10GbE SFP+
In stock
$9,895Ships same day
QFX5120-48Y-AFO2 Juniper Switch, Front-to-Back, 48x 1/10/25GbE SFP28 and 8x 100GbE QSFP28
Refurbished, tested & guaranteed
In stock
$9,895Ships same day
QFX5120-48Y-AFO Juniper Switch, Front-to-Back, 48x 1/10/25GbE SFP28 and 8x 100GbE QSFP28
Refurbished, tested & guaranteed
In stock
$9,895Ships same day
QFX5120-48Y-AFI2 Juniper Switch, Back-to-Front Airflow, Used, 48x 25GbE SFP28 and 8x 100GbE QSFP28
In stock
$9,895Ships same day
QFX5120-48Y-DC-AFI Juniper Switch, Back-to-Front, Used, 48x 1/10/25GbE SFP28 and 8x 100GbE QSFP28
In stock
$9,895Ships same day
QFX5120-32C-AFI Juniper Switch, Back-Front, 6.4 Tbps, Used, 32x 40/100GbE QSFP28 and 2x 1/10GbE SFP+
In stock
$8,995Ships same day
Juniper QFX5120 part numbers
| Part number | Ports | Airflow | Power | Condition | End of sale | Price | Stock |
|---|---|---|---|---|---|---|---|
| QFX5120-48Y-AFI | 48 × 1/10/25GbE | Back-to-front (AFI) | two 650-W AC or DC power supplies | Refurbished, tested & guaranteed | $9,895 | In stock | |
| QFX5120-32C-AFO | 32 × 40/100GbE | Front-to-back (AFO) | 100 to 240 V single phase AC | New | $9,895 | In stock | |
| QFX5120-48Y-AFO2 | 48 × 1/10/25GbE | Front-to-back (AFO) | Refurbished, tested & guaranteed | $9,895 | In stock | ||
| QFX5120-48Y-AFO | 48 × 1/10/25GbE | Front-to-back (AFO) | Refurbished, tested & guaranteed | $9,895 | In stock | ||
| QFX5120-48Y-AFI2 | 48 × 25GbE | Back-to-front (AFI) | Two 650-W AC power supplies with back-to-front airflow | Used, tested & guaranteed | $9,895 | In stock | |
| QFX5120-48Y-DC-AFI | 48 × 1/10/25GbE | Back-to-front (AFI) | two DC power supplies, each with a label AIR IN | Used, tested & guaranteed | $9,895 | In stock | |
| QFX5120-32C-AFI | 32 × 40/100GbE | Back-to-front (AFI) | Two 650 W AC power supplies, back-to-front airflow (blue ejector lever) | Used, tested & guaranteed | $8,995 | In stock |
End of sale and support
| Model | Announced | End of sale | Notice |
|---|---|---|---|
| Juniper QFX5120-48Y (AFI, AFO, DC-AFI) | 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.
Questions about the Juniper QFX5120 family
- What do AFO and AFI mean on a QFX5120?
- They name the airflow. AFO models such as the QFX5120-32C-AFO move air front to back (airflow out); AFI models such as the QFX5120-32C-AFI move air back to front (airflow in).Source: QFX5120 Ethernet Switch Datasheet
- How many ports does the QFX5120-32C have?
- 32 100GbE QSFP28 ports, which also take 40GbE QSFP+, and 2 10GbE SFP+ ports.Source: QFX5120 Ethernet Switch Datasheet
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