United States$5,000,000+
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S
Silas Olsen
5
Great fiber density. Airflow-out design works perfectly in our hot-aisle containment.
EX4550-32F-AFO
Juniper TDSourcing EX 4550 - switch - 32 ports - managed - r...
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EX4550-32F-AFO
- Description:
- Juniper TDSourcing EX 4550 - switch - 32 ports - managed - rack-mountable
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- Brand:
- Juniper
- GTIN:
- 11110524386
- Condition:
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EX4550-32F-AFO Overview
EX4550-32F-AFO is a high-performance fixed switch that delivers robust network connectivity with flexible power options, including support for redundant AC power supplies. Designed with advanced stacking capabilities and a scalable architecture, it meets the demands of enterprise data centers, branch offices, and campus networks without compromise.
EX4550-32F-AFO features an optimized mix of fiber-based connectivity and versatile uplink configurations, ensuring exceptional switching performance and reliability. Its efficient port design, combined with high memory capacity and scalable switching capabilities, makes it ideal for critical infrastructure deployments where consistent high-speed interconnectivity is essential.
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EX4550-32F-AFO Specifications
- Product Type
- Switch
- Power Source
- Redundant Power Supply / AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 150 W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 32 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Fiber
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- EX4550-32F-AFO
- Uplink Configuration
- 10G
- IOS
- IP Services
- POE Support
- Non POE
- SFP Ports
- 32 SFP Ports
- Memory
- 512 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- N/A
- Flash Memory
- 256 MB
- Switching Capacity
- 128 Gbps
- Switching Capacity with Stacking
- 256 Gbps
- Product Name
- EX4550-32F-AFO Fixed Fiber Switch
- Height
- 1.75 inches
- Width
- 17.5 inches
- Depth
- 12 inches
- Weight
- 10 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| EX4550-32F-AFO |  EX4650-48Y-AFO |  EX2300-48T-VC |  QFX5100-96S-AFO |  EX-UM-4X4SFP | |
|---|---|---|---|---|---|
| Depth | 12 inches | 11 inches | 11.0 in | 18.5 inches | 12 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10GbE | 10/100/1000 |
| Flash Memory | 256 MB | 64 MB | 64 MB | 256 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.73 in | 1.73 inches | 1.75 inches |
| IOS | IP Services | IP Services | LAN Lite | Junos OS | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10GbE | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 | Layer 2 / Layer 3 | Layer 2 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | EX4550-32F-AFO | EX4650-48Y-AFO | EX2300-48T-VC | QFX5100-96S-AFO | EX-UM-4X4SFP |
| Media Type Supported | Fiber | Fiber | Twisted Pair / Combo | Fiber | Fiber |
| Memory | 512 MB | 256 MB | 256 MB | 4 GB | 256 MB |
| Number of Downlink Ports | 32 Ports | 48 Ports | 48 Ports | 96 Ports | 8 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | Over 48 Ports | Under 12 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | N/A | N/A | 48x 10/100/1000 Ethernet ports and 4x 1G SFP uplink ports | Fixed configuration with 96 SFP+ downlink ports and 6 QSFP+ uplink ports | N/A |
| Power Consumption | 150 W | N/A | 72 W | 370 W | 35 W |
| Power Source | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply |
| Product Name | EX4550-32F-AFO Fixed Fiber Switch | Extreme Networks EX4650-48Y-AFO | Juniper EX2300-48T-VC Ethernet Switch | Juniper Networks QFX5100-96S-AFO | EX-UM-4X4SFP |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | Yes | No | Yes | No |
| SFP Ports | 32 SFP Ports | 24 SFP Ports | 4 SFP Ports | 96 x 10GbE SFP+ ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 1280 Gbps | 128 Gbps | 1920 Gbps | 64 Gbps |
| Switching Capacity with Stacking | 256 Gbps | 2560 Gbps | N/A | N/A | 128 Gbps |
| Uplink Configuration | 10G | 10G | 1G | 40G | 10G |
| Weight | 10 lbs | 15 lbs | 17.6 lbs | 15 lbs | 10 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 in | 17.5 inches | 17.5 inches |
Reviews & Ratings
R
Rufus Wolfhard
5
Reliable 10G switching. Consistent performance and very stable under heavy network load.
Q
Quentin Matarazzo
5
Solid Juniper hardware. The 32 fiber ports offer excellent flexibility for core.
P
Pascal Cavill
5
Top-tier performance. A dependable managed switch for high-speed fiber-optic network environments.
O
Otis Fisher
5
Professional and fast. Throughput is excellent and the management interface is intuitive.
N
Nico Momoa
5
Robust and reliable. It provides steady connectivity for our mission-critical server links.
M
Milo Cuoco
5
Excellent value for fiber. The EX4550 is a workhorse for modern networking.
L
Leon Evans
4
Consistent uptime and speed. A high-quality switch that meets all our requirements.
Questions & Answers
What are the key performance specifications of the Juniper EX4550-32F-AFO switch?
The EX4550-32F-AFO delivers 1.28 Tbps of switching capacity, up to 952 Mpps forwarding performance, and 32 fixed 10GbE SFP+ ports for high-throughput data center and campus aggregation.
Does the EX4550-32F-AFO support PoE or PoE+ on its ports?
No. The EX4550-32F-AFO provides only fiber-based 10GbE SFP+ ports and does not support PoE or PoE+ power delivery.
How is the EX4550-32F-AFO managed and configured?
Management is via Junos OS with access through CLI, J-Web GUI, SNMP, NETCONF, and zero-touch provisioning for rapid, consistent deployment.
Can I stack multiple EX4550-32F-AFO switches?
Yes. You can stack up to 10 EX4550 switches using Virtual Chassis technology, providing a single logical control plane and up to 3.84 Tbps of backplane bandwidth.
What high-availability features does the EX4550-32F-AFO offer?
It supports nonstop active routing (NSR), nonstop bridging (NSB), Virtual Router Redundancy Protocol (VRRP), and dual power supplies for resilient network operations.
Which routing protocols are supported on the EX4550-32F-AFO?
The switch supports static routing, RIP, OSPF, IS-IS, and BGP for flexible Layer 3 deployments in enterprise and data center environments.
How does the EX4550-32F-AFO enhance network security?
It includes MAC-based and IP-based ACLs, 802.1X authentication, DHCP snooping, and Dynamic ARP Inspection to protect against unauthorized access and address spoofing.
Is IPv6 fully supported on the EX4550-32F-AFO?
Yes. The switch offers comprehensive IPv6 support, including dual-stack routing, RIPng, OSPFv3, IS-IS for IPv6, and BGP4+ for carrier-grade functionality.
What QoS features are available on the EX4550-32F-AFO?
It provides class-of-service (CoS) tools such as traffic classification, priority queuing, shaping, and policing to ensure predictable service levels for diverse applications.
What power and cooling options apply to the EX4550-32F-AFO?
The switch ships with a 600W AC power supply and front-to-back cooling airflow; a redundant second AC supply can be installed for additional reliability.
How do I integrate the EX4550-32F-AFO into an existing Juniper network?
Use Virtual Chassis, standard Junos CLI syntax, and consistent network policies to seamlessly extend your network fabric without operational disruption.
What software licensing is required for advanced features on the EX4550-32F-AFO?
All Layer 2 and basic Layer 3 features are included. For advanced services such as EVPN-VXLAN, a Juniper Advanced Services license is required.
What is the typical use case for the EX4550-32F-AFO switch?
It is ideal for top-of-rack data center deployments, campus aggregation, and spine/leaf architectures requiring high-density, low-latency 10GbE fiber connectivity.
What warranty and support options are available for the EX4550-32F-AFO?
Juniper provides a one-year limited hardware warranty, next-business-day replacement, and optional Juniper Care support services for enhanced coverage.
How do I monitor and troubleshoot the EX4550-32F-AFO?
Use Junos Telemetry, SNMP, Juniper’s Network Director, and real-time CLI diagnostics like show interface and show log for proactive monitoring and fast issue resolution.
What are the dimensions and rack-mount requirements for the EX4550-32F-AFO?
The switch occupies 1 RU in a standard 19-inch rack, measures 17.3 x 15.7 x 1.7 inches, and requires proper ventilation and front-to-back airflow clearance.