United States$5,000,000+
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D
Dante Ferrell
5
Reliable fiber switching. The 32 ports provide excellent connectivity for our campus.
EX4550-32F-AFI
Juniper Networks EX 4550 - switch - 32 ports - managed - rac...
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EX4550-32F-AFI
- Description:
- Juniper Networks EX 4550 - switch - 32 ports - managed - rack-mountable
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- Brand:
- Juniper
- GTIN:
- 779184286134
- Condition:
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EX4550-32F-AFI Overview
EX4550-32F-AFI is a high-performance enterprise Ethernet switch designed with a robust architecture that seamlessly blends advanced Layer 3 routing capabilities with a compact, rack-mount form factor. Built to support scalable networking infrastructures, it comes with a fixed configuration of 32 fiber ports and 4 dedicated SFP uplink ports, enabling versatile network designs and seamless stacking for enhanced throughput and resilience.
Engineered for applications demanding high efficiency and reliable connectivity, the EX4550-32F-AFI offers optimized power management with an AC power supply, non-POE interface support, and industry-standard 10/100/1000 Ethernet technology. Its integrated IP Services operating system ensures strong performance in data-intensive environments, making it ideal for campus, branch, and data center deployments.
EX4550-32F-AFI price is is available on request. Get immediate quote.
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EX4550-32F-AFI Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 75 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
- No
- Manufacturer Part Number
- EX4550-32F-AFI
- Uplink Configuration
- 10G
- IOS
- IP Services
- POE Support
- Non POE
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- N/A
- Flash Memory
- 64 MB
- Switching Capacity
- 128 Gbps
- Switching Capacity with Stacking
- 256 Gbps
- Product Name
- Extreme Networks EX4550-32F-AFI Ethernet Switch
- Height
- 1.75 inches
- Width
- 17 inches
- Depth
- 12 inches
- Weight
- 12 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| EX4550-32F-AFI |  QFX5100-96S-AFO |  QFX5100-48T-AFO |  EX3400-48T-TAA |  EX4400-48P | |
|---|---|---|---|---|---|
| Depth | 12 inches | 18.5 inches | 17.5 inches | 17 inches | 11.6 inches |
| Ethernet Technology | 10/100/1000 | 10GbE | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.73 inches | 1.75 inches | 1.75 inches | 1.73 inches |
| IOS | IP Services | Junos OS | IP Services | IP Lite | IP Lite |
| Interface Ports | 10/100/1000 | 10GbE | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | EX4550-32F-AFI | QFX5100-96S-AFO | QFX5100-48T-AFO | EX3400-48T-TAA | EX4400-48P |
| Media Type Supported | Fiber | Fiber | Twisted Pair | Twisted Pair | Twisted Pair |
| Memory | 256 MB | 4 GB | 4 GB | 256 MB | 256 MB |
| Number of Downlink Ports | 32 Ports | 96 Ports | N/A | 48 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | Over 48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | POE+ |
| Port/Expansion Slot Details | N/A | Fixed configuration with 96 SFP+ downlink ports and 6 QSFP+ uplink ports | 48x 10/100/1000BASE-T ports; 2x 10GbE SFP+ uplink ports | 48 x 10/100/1000 ports, 4 x 1G SFP slots | 48 PoE ports, 4 SFP uplink ports |
| Power Consumption | 75 W | 370 W | N/A | 230W | N/A |
| Power Source | AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Extreme Networks EX4550-32F-AFI Ethernet Switch | Juniper Networks QFX5100-96S-AFO | Juniper QFX5100-48T-AFO | Juniper EX3400-48T-TAA Ethernet Switch | Juniper Networks EX4400-48P 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 | Yes | No | No | Yes |
| SFP Ports | 4 SFP Ports | 96 x 10GbE SFP+ ports | 2 SFP+ Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 1920 Gbps | 720 Gbps | 176 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 256 Gbps | N/A | 1.44 Tbps | 352 Gbps | 320 Gbps |
| Uplink Configuration | 10G | 40G | 10G | 1G | 1G |
| Weight | 12 lbs | 15 lbs | 12 lbs | 14 lbs | 16.5 lbs |
| Width | 17 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.1 inches |
Reviews & Ratings
C
Cyrus Huynh
5
Consistent performance and uptime. The AFI design fits our cooling strategy perfectly.
B
Blaise Shahidi
5
Solid managed switch. Professional Juniper features with very dependable high-speed fiber links.
A
Atticus Arthur
5
Top-tier EX series quality. It handles our core traffic with total ease.
A
Arlo Ryder
4
Reliable and robust. A great 10G fiber solution for medium enterprise networks.
A
Apollo Platt
5
Excellent throughput. The managed features are comprehensive and very easy to use.
A
Anson Grace
4
Stable and fast. This switch is a dependable foundation for our data.
A
Abner Harbour
5
Professional grade hardware. The fiber density is perfect for our server rack.
Questions & Answers
What is the Juniper Networks EX4550-32F-AFI switch?
The Juniper Networks EX4550-32F-AFI is a high-performance, 1U, 32-port managed Ethernet switch offering 1GbE/10GbE SFP/SFP+ connectivity, designed for scalable, low-latency enterprise deployments.
How many ports and interfaces does the EX4550-32F-AFI support?
It includes 32 fixed SFP/SFP+ fiber ports, each auto-sensing 1GbE or 10GbE speeds, plus an RJ-45 console port and a USB console port for out-of-band management.
What performance and throughput can I expect?
The EX4550-32F-AFI delivers wire-speed switching with up to 1.44 Tbps backplane capacity and up to 1.07 billion packets per second (pps) forwarding rate.
Is the EX4550-32F-AFI rack-mountable?
Yes; it ships with a 1U rack-mount kit supporting standard 19-inch racks for data center and wiring closet installations.
Does it support Virtual Chassis technology?
Yes; you can interconnect up to four EX4550-32F-AFI switches using high-speed Virtual Chassis ports to simplify management and scale switching capacity.
What management interfaces are available?
Management options include a dedicated out-of-band Ethernet management port, an RJ-45 console port, USB console access, and a Junos CLI/Web UI for in-band control.
What Layer 2 and Layer 3 features does it support?
It supports advanced Layer 2 features—802.1Q VLANs, Spanning Tree variants, link aggregation—and Layer 3 routing protocols including OSPF, BGP, and VRRP.
Does the EX4550-32F-AFI support Power over Ethernet (PoE)?
No; the EX4550-32F-AFI is a fiber-optimized switch and does not provide PoE or PoE+ power delivery.
What operating system does it run?
It runs Junos OS with a modular architecture, offering a consistent CLI, comprehensive automation, and non-disruptive software upgrades.
What redundancy and high availability features are included?
It offers redundant management paths, Virtual Chassis resiliency, active/backup Routing Engine, and non-stop bridging to maximize network uptime.
What are common use cases for this switch?
Ideal use cases include campus distribution, data center top-of-rack fiber aggregation, and high-performance LAN environments requiring low latency and high throughput.
What are the environmental and power specifications?
It operates on 100–240 V AC, consumes up to 150 W, meets NEBS Level 3 standards, and supports 0 °C to 40 °C operating temperature with 5%–90% non-condensing humidity.
How do I set up the EX4550-32F-AFI?
Mount the switch in a 19″ rack, insert SFP/SFP+ transceivers, power on, access the console via CLI or Junos Space, and follow the Quick Start Guide to configure ports and protocols.
What security features does it include?
It includes IEEE 802.1X authentication, MACsec encryption, DHCP snooping, dynamic ARP inspection, and Role-Based Access Control (RBAC).
What warranty and support options are available?
Juniper offers a limited lifetime hardware warranty with next-business-day replacement and optional Juniper Care service bundles for 24×7 support and expedited RMA.
How can I purchase or get a quote for the EX4550-32F-AFI?
Contact an authorized Juniper Networks reseller or visit the Juniper website to request a quote or check availability through certified distribution partners.