15+ Years of Proven Excellence
Delivering reliable IT hardware solutions since 2009.
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On all on-hand orders placed before 2 pm CST.
Limited Lifetime Warranty
You’ll find warranty coverage on the majority of our hardware.*
*Terms & Conditions
Part Number: EX4650-48Y-AFO
Description: EX4650 48x25G+8x100G 1U AC port side intake and PSU side exhaust, front to back airflow
Category: Juniper EX4600 Series Ethernet Switches, Juniper Switches, Switches
15+ Years of Proven Excellence
Delivering reliable IT hardware solutions since 2009.
Same-Day Shipping
On all on-hand orders placed before 2 pm CST.
Limited Lifetime Warranty
You’ll find warranty coverage on the majority of our hardware.*
Terms & Conditions*
The Juniper EX4650 48Y-AFO is an enterprise-class, fixed-configuration Ethernet switch designed to support advanced campus environments and service provider aggregation deployments. Built on the robust network operating system Junos OS, the EX4650 48Y-AFO delivers exceptional performance, scalability, and availability for modern enterprise networks.
The Juniper EX4650 48Y-AFO excels in various deployment scenarios, including:
The EX4650 48Y AFO offers significant advantages over traditional solutions with limited networking capabilities:
The Juniper EX4650-48Y-AFO incorporates a secure architecture through Junos OS, with features that:
The EX4650-48Y-AFO enables network administrators to:
| Component | Specification |
| Form Factor | 1U |
| Dimensions (W x H x D) | 17.26 x 1.72 x 20.27 inches (43.84 x 4.37 x 51.5 cm) |
| Switching Capacity | Hardware switching capacity of 1.76 Tbps |
| Forwarding Rate | 1,300 Mpps |
| Weight | 23.15 lb (10.5 kg) |
| Power Supplies | 2x 650W AC DC power supply redundant options |
| Cooling | Fan modules dual redundant front-to-back airflow |
| System Memory | 16 GB DDR4 |
| SSD Storage | 128 GB |
| Port Density | 48 25-GbE SFP28 ports, 8 100-GbE QSFP28 ports |
| Unified Forwarding Table | 104K MAC addresses, 208K host routes |
The Juniper EX4650-48Y-AFO comes with a base software feature license that includes:
The EX4650-48Y-AFO supports premium software features including:
| Specification | Operating Range |
| Temperature | 32° to 104° F (0° to 40° C) |
| Humidity | 5% to 90% (noncondensing) |
| Maximum Altitude | 10,000 ft (3,048 m) |
| MTBF | 160,000 hours |
The Juniper EX4650-48Y-AFO is specifically designed to support advanced campus environments with its high-density 25GbE interfaces and 100GbE uplinks. Unlike proprietary campus architectures, the EX4650-48Y-AFO uses open standards to interconnect multiple campuses and connect multiple enterprise buildings while providing the performance needed for bandwidth-intensive applications. Its Virtual Chassis technology allows you to manage multiple core switches as a single logical device, simplifying campus network operations.
The Juniper EX4650-48Y-AFO delivers improved network performance through its advanced software features that support today’s network operations. The switch runs on Junos OS, a robust network operating system with a consistent user interface across all Juniper platforms. This enables network administrators to manage networked devices more efficiently and deploy error-free network configurations. Additionally, the EX4650-48Y-AFO supports network automation capabilities that significantly reduce manual configuration tasks.
Yes, the Juniper EX4650-48Y-AFO excels in both the data center and campus environments. Its design supports core network functions with robust routing capabilities that are essential for enterprise server access. The switch features intelligent buffer management and hardware switching capacity needed for data center workloads. Additionally, the EX4650-48Y-AFO can deploy overlay networks using VXLAN, making it ideal for modern data center architectures that require connectivity between network endpoints across different zones.
The Juniper EX4650-48Y-AFO supports a comprehensive suite of protocols including:
The Juniper EX4650-48Y and EX4650-48Y-AFO are similar in their core capabilities, but the EX4650-48Y-AFO includes the AFO (airflow out) designation, indicating that the cooling airflow direction is from front to back. This is particularly important for cold aisle deployment management in data centers. Both models offer the same port density and software features supported by Junos OS, but choosing the correct airflow direction is critical for proper thermal management in your specific installation environment.
The Juniper EX4650-48Y-AFO includes robust security features based on the secure architecture Junos OS provides. These include:
Yes, the Juniper EX4650-48Y-AFO fully supports the Internet Standard Management Framework for SNMP-based management. The switch includes capabilities for describing SNMP management frameworks and can be integrated into existing management systems. This allows network administrators to monitor and manage the EX4650-48Y-AFO alongside other devices in their entire Juniper infrastructure or multi-vendor environments.
The Juniper EX4650-48Y-AFO supports several virtualization technologies that enable greater network efficiency:
The Juniper EX4650-48Y-AFO is built for high reliability in enterprise networks with features such as:
The Juniper EX4650-48Y-AFO comes with a base software feature license that includes essential Layer 2 and Layer 3 functionality. For advanced capabilities, premium software features licenses are available that unlock additional functionality such as EVPN, VXLAN, advanced routing protocols, and automation features. These software licenses allow organizations to pay for only the features they need while having the flexibility to upgrade as their network operations requirements evolve.
At Network Republic, our end-user accounts are covered by a 1-Year Warranty on all hardware—whether New, New Open Box, New Pull, Refurbished, or Refurbished by Manufacturer —from the date of delivery. This warranty covers hardware defects under normal use and allows for repair, replacement, or in-house credit at our discretion.
For resellers and wholesale purchases, we offer a 30-Day Warranty limited strictly to functional issues or defects upon arrival, including dead-on-arrival (DOA) items; it does not apply to problems arising after prolonged use. Resellers are responsible for inspecting and testing products within the 30-day window. This warranty excludes accidental damage, misuse, cosmetic wear, third-party modifications, and software-related issues unrelated to hardware failure. Check out our full warranty policy here.
Software licenses are not covered under the standard return and warranty policies and need to be activated on the hardware within 7 days of receipt. Any issues need to be reported immediately, within 10 days, so we can issue an exchange. Under no circumstances will refunds be issued for software licenses.
Our team of professionals are experts in networking hardware configurations and can assist you at any time during your purchasing process. We always recommend great price-performance alternatives based on current market price and availability. In need of assistance or looking for a specific part number? Request a quote today or chat with one of our IT specialists.

