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Powerful 10GT performance. Airflow-out design fits our cooling strategy perfectly every time.
QFX5120-48T-AFO
48X10GT + 6X100G 1U AC AIRFLOW OUT
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$24,279.58
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QFX5120-48T-AFO
48X10GT + 6X100G 1U AC AIRFLOW OUT
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QFX5120-48T-AFO is a high-performance data center switch built on a robust architecture that delivers low latency, high throughput, and seamless scalability. Designed for demanding enterprise and cloud environments, it features advanced stacking capabilities and flexible power options to ensure continuous, reliable operation under heavy loads.
Featuring 48-port 10/100/1000 Ethernet connectivity with dedicated 10G SFP+ uplink ports, QFX5120-48T-AFO is engineered for optimal performance and rapid deployment in campus, data center, and aggregation scenarios. Its cutting‐edge design, combined with comprehensive Layer 2/Layer 3 functionality, makes it an ideal solution for modern networks requiring high availability and agility.
QFX5120-48T-AFO price is $16,024.52, a 34% saving from the Juniper list price of $24,279.58. QFX5120-48T-AFO is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for QFX5120-48T-AFO for additional pricing. Browse the full Juniper Ex2300 Series Ethernet Switches series or explore all Juniper products.
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 QFX5120-48T-AFO |  EX2300-C-12T |  EX2300-24T-VC |  EX2300-48T-VC |  EX2300-48P-VC | |
|---|---|---|---|---|---|
| Depth | 11.5 inches | 9.3 inches | 14.1 inches | 11.0 in | 11.8 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 64 MB | 128 MB | 64 MB | 64 MB |
| Form Factor | Rack-mount | Desktop | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.75 inches | 1.73 inches | 1.73 in | 1.73 inches |
| IOS | IP Lite | LAN Lite | LAN Lite | LAN Lite | LAN Base |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 | Layer 2 | Layer 2 | Layer 2 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | QFX5120-48T-AFO | EX2300-C-12T | EX2300-24T-VC | EX2300-48T-VC | EX2300-48P-VC |
| Media Type Supported | Twisted Pair | Twisted Pair | Twisted Pair / Fiber | Twisted Pair / Combo | Twisted Pair / Fiber |
| Memory | 512 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 48 Ports | 12 Ports | 24 Ports | 48 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 12–24 Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | POE+ |
| Port/Expansion Slot Details | 48 x 10/100/1000 Ethernet ports, 4 x 10G SFP+ uplink ports | 12 x 10/100/1000 Ethernet ports | 24 fixed 10/100/1000 Ethernet ports with 4 dedicated 1G SFP uplink ports | 48x 10/100/1000 Ethernet ports and 4x 1G SFP uplink ports | 48 PoE ports and 4 SFP ports |
| Power Consumption | N/A | 20 W | 26W | 72 W | N/A |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Juniper Networks QFX5120-48T-AFO Data Center Switch | EX2300-C-12T Compact Ethernet Switch | Juniper EX2300-24T Virtual Chassis Switch | Juniper EX2300-48T-VC Ethernet Switch | EX2300-48P-VC Ethernet Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | No | No | No | No |
| SFP Ports | 4 SFP Ports | N/A | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 1280 Gbps | 32 Gbps | 128 Gbps | 128 Gbps | 104 Gbps |
| Switching Capacity with Stacking | 1280 Gbps | 64 Gbps | 256 Gbps | N/A | 104 Gbps |
| Uplink Configuration | 10G | 1G | 1G | 1G | 1G |
| Weight | 9.9 lbs | 6 lbs | 8.8 lbs | 17.6 lbs | 18.1 lbs |
| Width | 17.5 inches | 17.5 inches | 17.3 inches | 17.5 in | 17.3 inches |
Powerful 10GT performance. Airflow-out design fits our cooling strategy perfectly every time.
Reliable data center switching. 100G ports provide massive bandwidth for our servers.
Solid and fast. The QFX5120 is incredibly dependable for high-traffic copper links.
Excellent 10G copper density. Airflow management is efficient and the build quality.
Top-tier Juniper switch. 10GT ports are stable and the throughput is amazing.
Reliable data center hardware. Handles high-speed traffic with very low latency. Impressive.
High-density 10G copper. Perfect for our server rack with efficient airflow-out cooling.
Consistent performance. The 100G uplinks are essential for our modern network architecture.