QFX5120-48Y-AFO2 - Juniper QFX5120 Switch Overview
QFX5120-48Y-AFO2 - Juniper QFX5120 Switch is a genuine data-center switching fabric product from Juniper, a specialist in high-performance routing and switching, trusted in service-provider and large-enterprise networks. Belonging to the Juniper family, the QFX5120-48Y-AFO2 unit is built to the original factory specification, so it integrates with existing Juniper deployments predictably and behaves exactly as the platform documentation describes. In the network, it is built for high-density data-center and cloud environments, where low latency, high availability and consistent forwarding matter most.
This unit follows the original factory specification for the Juniper family, covering its intended role without compatibility surprises. Standard mounting, cabling and management practices apply, and it interoperates with surrounding hardware using the same procedures as other Juniper equipment already deployed in the network.
Typical deployments include access-layer deployments for user, phone and AP connectivity, distribution and core aggregation in campus networks, and top-of-rack and end-of-row switching in data centers. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the QFX5120-48Y-AFO2. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Enterprise Campus
High-density ports power users, phones and APs at the access layer.
Branch Office
Stackable units simplify branch deployment and management.
Wireless & IoT
PoE budget supports dense wireless and IoT endpoints.
Buying a Pre-Owned QFX5120-48Y-AFO2
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
Model
QFX5120-48Y-AFO2
Brand
Juniper
Type
Switch
Ports
48 SFP28 ports
Management
Managed
Switching Capacity
2.16 Tbps
Forwarding Rate
1.2 Bpps
Acoustic Noise
39.5 dB
Power Supply
Front to Back Airflow (AFO)
Latency
550 ns
Mounting
Rack-mountable
Dimensions
1.72 x 17.5 x 22.7 in. (4.37 x 44.4 x 57.6 cm)
QFX5120-48Y-AFO2 - Deployment Notes
This QFX5120-48Y-AFO2 switch is suited to wiring-closet, distribution, or core roles depending on the port density and uplink options of the specific model. The 28 port configuration is a key consideration when planning power budgets for attached devices such as IP phones and access points.
For a refresh or expansion, confirm the IOS/NX-OS software release supported by this specific SKU, the fan and power requirements, and the uplink modules that match your existing infrastructure. Our team can verify revision levels and software compatibility before you order.
Every unit at LinkNewNet is inspected and tested before dispatch, and this QFX5120-48Y-AFO2 variant is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Volume requirements can be staged with configuration checks.
QFX5120-48Y-AFO2 - Juniper Series Notes
This listing is part of the Juniper enterprise networking product family, sourced and tested by LinkNewNet for enterprise deployment. Juniper switch runs Junos OS and is typically deployed in campus access, aggregation, or data-center roles. It provides reliable Layer 2/3 switching for user, server and uplink connectivity, and integrates with Juniper Mist or CLI-based management.
Deployment guidance: When planning this QFX5120-48Y-AFO2 unit into a network, confirm the Junos OS version required, the power and cooling profile, and the upstream/downstream interface types that match your existing infrastructure. For a like-for-like refresh, match the feature set of the units already in service so management and automation behave consistently.
Our Juniper reconditioning process: Every pre-owned Juniper unit at LinkNewNet passes a documented reconditioning flow before dispatch - visual inspection, internal cleaning, firmware verification, port-by-port testing, and configuration reset to factory defaults. This ensures the unit you receive operates reliably and integrates cleanly with your existing Juniper management tools.
Related models in this family: EX8200-8XS, EX8208-SRE320, EX8208, EX4500-40F-VC1-BF, EX4200-48T. Compare specifications to confirm the right port density, feature set and uplink options for your deployment.
