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QFX5120-48Y-AFO2
QFX5120-48Y AIRFLOW OUT RED AC PSUS FANS SHIPS W/ BASE S/W
Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Built Global. Stocked Local.
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Buyer Protection on Every Order
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
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Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.
Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
QFX5120-48Y-AFO2 is a high-performance, rack‐mount data center switch built on a robust architecture designed to deliver low latency, high throughput, and exceptional reliability in demanding network environments. It offers redundant power options, multiple port configurations for superior fiber connectivity, and stacking technology to ensure seamless scalability in enterprise and cloud deployments.
QFX5120-48Y-AFO2 provides exceptional switching performance with advanced hardware acceleration and versatile scalability, making it ideal for data center spine, aggregation, and high-performance computing applications. Its modular design and optimized power consumption reinforce its role in critical network infrastructures where maximum uptime and efficiency are paramount.
QFX5120-48Y-AFO2 price is $4,973.00, a 84.9% saving from the Juniper list price of $32,865.00. QFX5120-48Y-AFO2 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for QFX5120-48Y-AFO2 for additional pricing. Browse the full Juniper Ex2300 Series Ethernet Switches series or explore all Juniper products.
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| QFX5120-48Y-AFO2 |  EX2300-24T-TAA |  EX4650-48Y-AFI |  EX4400-24T |  EX2300-24T | |
|---|---|---|---|---|---|
| Depth | 18 inches | 10 inches | 12 inches | 11 inches | 9.5 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 32 MB | 64 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1 RU | 1.75 inches | 1.75 inches | 1.75 inches |
| IOS | IP Services | Junos OS (IP Lite) | LAN Base | IP Lite | LAN Lite |
| 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 3 | Layer 2 / Layer 3 | Layer 2 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | QFX5120-48Y-AFO2 | EX2300-24T-TAA | EX4650-48Y-AFI | EX4400-24T | EX2300-24T |
| Media Type Supported | Fiber | Twisted Pair | Combo | Twisted Pair / Fiber | Twisted Pair / Fiber |
| Memory | 4 GB | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 48 Ports | 24 Ports | 48 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 12–24 Ports | 24–48 Ports | 12–24 Ports | 12–24 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Power Consumption | 265 W | 64W | 250W | 72 W | 25 W |
| Power Source | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Juniper QFX5120-48Y-AFO2 Ethernet Switch | Juniper EX2300-24T-TAA | EX4650-48Y-AFI 48-Port Managed Rack-Mount Switch with Advanced Features | Juniper EX4400-24T Ethernet Switch | EX2300-24T 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 | Yes | No | Yes | No | No |
| SFP Ports | 24 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 1280 Gbps | 128 Gbps | 1120 Gbps | 320 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 2560 Gbps | 256 Gbps | 2240 Gbps | 640 Gbps | 128 Gbps |
| Uplink Configuration | 40G | 1G | 10G | 1G | 1G |
| Weight | 18 lbs | 13.2 lbs | 20 lbs | 11 lbs | 11 lbs |
| Width | 17.5 inches | 16.9 inches | 17 inches | 17.5 inches | 17.5 inches |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Top-tier data center switch. Airflow-out design and redundant AC power are excellent.
High-density 25G. Reliable performance with base software and efficient cooling. Very professional.
Stable and fast. The QFX5120 is essential for our high-speed network core.
Excellent 25G performance. Airflow management is perfect for our server rack environment.
Professional and robust. Redundant power supplies provide the uptime our business requires.
Consistent data center switching. The 48 ports of 25G are remarkably stable.
Reliable high-speed hardware. Throughput is incredible and the airflow is very efficient.
Exceptional switching quality. A dependable Juniper platform for modern high-bandwidth data centers.
The QFX5120-48Y-AFO2 is a fixed-configuration, top-of-rack Ethernet switch featuring 48 10GbE RJ45 ports, six 40GbE QSFP+ uplinks, airflow-out cooling, redundant AC PSUs, integrated fans, and base Junos OS software.
It delivers 48 10GbE RJ45 downlinks and six 40GbE QSFP+ uplinks, enabling flexible server and aggregation connectivity in campus or data-center environments.
The QFX5120-48Y-AFO2 offers 1.44 Tbps of switching capacity and up to 1.07 Mpps packet forwarding, ensuring wire-speed performance for latency-sensitive workloads.
Yes, this SKU uses rear-to-front (airflow-out) design optimized for hot-aisle data-center configurations, with integrated fans to maintain optimal operating temperatures.
It ships with dual, hot-swappable AC power supply units (PSUs) for N+1 redundancy, supporting 100–240V AC input to maximize uptime.
Yes, the QFX5120-48Y-AFO2 includes the Junos OS Base license, offering Layer 2 switching, basic Layer 3 routing, and management features out of the box.
It supports Virtual Chassis, EVPN-VXLAN, IRB, multi-tenancy, and Junos Fusion to simplify network virtualization and overlay deployments.
Yes, up to 10 QFX5120 devices can form a single Virtual Chassis, providing unified management, single-instance control plane, and non-blocking backplane performance.
Its high-density 10GbE design, advanced routing, and EVPN-VXLAN features make it ideal for top-of-rack in data centers, campus aggregation, and high-performance spine-leaf fabrics.
The six QSFP+ uplinks support 40GbE or breakout to four 10GbE connections each, enabling flexible interconnects and high-bandwidth aggregation.
Typical power draw is approximately 350W under full load, with redundant AC PSUs and built-in power monitoring for efficient energy management.
Yes, it meets IEEE 802.3 Ethernet standards, FCC Class A, CE, UL, CB, and RoHS for global safety and environmental compliance.
Juniper offers a limited lifetime warranty, J-Care support, software updates, and optional ProCare services for accelerated replacement and 24×7 technical assistance.
Use the CLI or Junos Space to load Junos OS images via FTP/SCP. Base S/W is preinstalled; configure new packages with ‘request system software add <package> no-validate’.
With Virtual Routing and Forwarding (VRF), QinQ, and EVPN-VXLAN, it enables secure multi-tenant segmentation and overlay networks within a single switch.
It delivers sub-microsecond port-to-port latency at line rate, ensuring consistent, predictable performance for real-time and high-frequency applications.
United States
