United States$5,000,000+
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F
Finn Wolfhard
5
Exceptional 25G switching. PSU-side intake is perfect for our specific cooling setup.
EX4650-48Y-AFI
EX4650 48X25G+8X100G 1U AC PSU SIDE INTAKE PORT SIDE EXHAUS...
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Name:
EX4650-48Y-AFI
- Description:
- EX4650 48X25G+8X100G 1U AC PSU SIDE INTAKE PORT SIDE EXHAUST
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Juniper
- GTIN:
- 832938091702
- Condition:
- Warranty:
- 3
- List Price:
$33,030.00
- Price:
$5,833.0082.3% off
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1
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EX4650-48Y-AFI Overview
EX4650-48Y-AFI is a high-performance enterprise switch that features a robust architecture designed for scalability, integrating advanced stacking technology and multi-mode power options that include a redundant AC power supply. Its design incorporates an optimized blend of high-density ports and versatile uplink configurations to deliver consistent Layer 2 and Layer 3 performance for modern networks.
Engineered to support a broad range of use cases—from data center aggregation to campus network deployment—EX4650-48Y-AFI delivers precise port configurations with 48 Ethernet ports and additional SFP uplinks, ensuring seamless integration and expansion. The switch’s proven performance, detailed port/expansion slot design, and efficient power management make it an ideal choice for businesses requiring reliable, scalable, and secure network infrastructure.
EX4650-48Y-AFI price is $5,833.00, a 82.3% saving from the Juniper list price of $33,030.00. EX4650-48Y-AFI is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for EX4650-48Y-AFI for additional pricing. Browse the full Juniper Ex2300 Series Ethernet Switches series or explore all Juniper products.
EX4650-48Y-AFI Specifications
- Product Type
- Switch
- Power Source
- Redundant Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 250W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 48 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Combo
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- EX4650-48Y-AFI
- Uplink Configuration
- 10G
- IOS
- LAN Base
- 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
- 48 x 10/100/1000 Ethernet ports with 4 x 10G SFP uplink ports
- Flash Memory
- 64 MB
- Switching Capacity
- 1120 Gbps
- Switching Capacity with Stacking
- 2240 Gbps
- Product Name
- EX4650-48Y-AFI 48-Port Managed Rack-Mount Switch with Advanced Features
- Height
- 1.75 inches
- Width
- 17 inches
- Depth
- 12 inches
- Weight
- 20 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 EX4650-48Y-AFI |  QFX5120-48T-AFI |  QFX5120-48Y-AFO2 |  EX2300-24P-VC |  EX2300-24P-TAA | |
|---|---|---|---|---|---|
| Depth | 12 inches | 18 inches | 18 inches | 15.1 inches | 11.8 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 256 MB | 256 MB | 256 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.75 inches | 1.73 inches | 1.73 inches |
| IOS | LAN Base | IP Services | IP Services | LAN Lite | LAN Base |
| 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 3 | Layer 2 / Layer 3 | Layer 2 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | EX4650-48Y-AFI | QFX5120-48T-AFI | QFX5120-48Y-AFO2 | EX2300-24P-VC | EX2300-24P-TAA |
| Media Type Supported | Combo | Combo | Fiber | Twisted Pair / Fiber | Twisted Pair |
| Memory | 256 MB | 4 GB | 4 GB | 256 MB | 256 MB |
| Number of Downlink Ports | 48 Ports | 48 Ports | 48 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports |
| POE Support | Non POE | Non POE | Non POE | POE+ | POE+ |
| Port/Expansion Slot Details | 48 x 10/100/1000 Ethernet ports with 4 x 10G SFP uplink ports | 48 x 10/100/1000 ports with 4 x 10G SFP+ slots | N/A | 24 PoE ports and 4 SFP ports | 24 PoE/PoE+ ports and 4 SFP ports |
| Power Consumption | 250W | N/A | 265 W | 123 W | 125 W |
| Power Source | Redundant Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | EX4650-48Y-AFI 48-Port Managed Rack-Mount Switch with Advanced Features | Juniper QFX5120-48T-AFI Ethernet Switch | Juniper QFX5120-48Y-AFO2 Ethernet Switch | EX2300-24P-VC Ethernet Switch | EX2300-24P-TAA Ethernet Services 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 | Yes | Yes | No | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 24 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 1120 Gbps | 1,200 Gbps | 1280 Gbps | 128 Gbps | 32 Gbps |
| Switching Capacity with Stacking | 2240 Gbps | 2,400 Gbps | 2560 Gbps | 128 Gbps | N/A |
| Uplink Configuration | 10G | 10G | 40G | 1G | 1G |
| Weight | 20 lbs | 20 lbs | 18 lbs | 13 lbs | 14.3 lbs |
| Width | 17 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.3 inches |
Reviews & Ratings
G
Gaten Matarazzo
5
Reliable and fast. The 100G uplinks provide massive capacity for core data.
H
Henry Cavill
5
Top-tier Juniper hardware. Consistent throughput and very efficient port-side exhaust airflow.
I
Isla Fisher
5
Solid data center performance. High density 25G ports are stable and robust.
J
Jason Momoa
5
Professional grade switching. Airflow-in design works perfectly in our managed server racks.
K
Kaley Cuoco
4
Fast and dependable. 48 ports of 25G handle all our server traffic.
L
Luke Evans
5
Exceptional bandwidth. The 100G uplinks are essential for our high-speed network architecture.
M
Mila Kunis
5
Reliable data center switching. Build quality is superb and performance is rock solid.
Questions & Answers
What is the Juniper EX4650-48Y-AFI network switch?
The Juniper EX4650-48Y-AFI is a 1U top-of-rack Ethernet switch featuring 48x25GbE and 8x100GbE ports, designed for high-performance data center and campus deployments.
How many 25G and 100G ports does the EX4650-48Y-AFI provide?
The EX4650-48Y-AFI delivers 48 fixed 25GbE leaf ports and 8 fixed 100GbE uplink ports, supporting a total switching capacity of 3.6Tbps.
What is the switching capacity and throughput of the EX4650-48Y-AFI?
The switch offers up to 3.6Tbps of non-blocking switching capacity and 2.68 Bpps packet forwarding, ensuring low latency and high throughput.
Which power supply unit does the EX4650-48Y-AFI use?
The EX4650-48Y-AFI uses a 1+1 redundant AC hot-swappable power supply, delivering up to 715W per PSU for continuous operation.
What is the airflow direction for the EX4650-48Y-AFI?
The EX4650-48Y-AFI features side intake (port side) airflow and exhaust through the opposite side, supporting standard data center cooling.
What are the physical dimensions of the EX4650-48Y-AFI?
The EX4650-48Y-AFI occupies 1U of rack space, measures 17.4 x 1.75 x 18.4 inches (W x H x D), and weighs approximately 13.6 lbs.
Which JUNOS software versions run on the EX4650-48Y-AFI?
This switch runs Juniper’s Junos OS, supporting release 18.2R and later, with advanced features for automation, security, and analytics.
What redundancy features are supported on the EX4650-48Y-AFI?
It supports Virtual Chassis Fabric, ISSU (In-Service Software Upgrade), redundant power supplies, and active-active MLAG for network resiliency.
How is the EX4650-48Y-AFI managed and automated?
Management is via CLI, Junos Space, or API-driven automation (NETCONF, REST-CONF, Python), enabling seamless integration into DevOps workflows.
What latency performance does the EX4650-48Y-AFI deliver?
The EX4650-48Y-AFI offers sub-microsecond latency (0.65 µs) on all ports, ideal for latency-sensitive applications and financial trading.
What VLAN and QoS capabilities are available on the EX4650-48Y-AFI?
It supports 4,096 VLANs, extensive QoS policies, hierarchical schedulers, congestion management, ingress policing, and egress shaping per port.
What environmental specifications does the EX4650-48Y-AFI meet?
The switch operates from 0°C to 40°C, meets NEBS, ETSI, and RoHS compliance, and tolerates up to 95% non-condensing humidity for data center use.
What cabling options are supported on the EX4650-48Y-AFI?
The switch supports DAC cables for short-reach connections, 25G and 100G optical transceivers (SFP28, QSFP28), and breakout cables for flexible deployments.
How do I perform a software upgrade on the EX4650-48Y-AFI?
Use Junos CLI or Junos Space to upload the release image, commit the package, and leverage ISSU for non-disruptive software upgrades.
What typical use cases suit the EX4650-48Y-AFI?
Ideal for leaf-spine topologies, high-density data center fabrics, AI/ML clusters, and campus core switches requiring high throughput and low latency.
What support and warranty are available for the EX4650-48Y-AFI?
The EX4650-48Y-AFI includes a limited lifetime hardware warranty and 24/7 Juniper Care support for software updates, troubleshooting, and on-site replacement.