What port configurations does the EX4650-48Y-AFI support?

It has 48 SFP28 ports for 25GbE/10GbE/1GbE (configurable per quad of ports) and 8 QSFP28 ports as 100GbE/40GbE or 4x10GbE/25GbE with breakout cables, totaling up to 80x25GbE ports. This flexibility supports mixed-speed campus and data center environments with wire-speed performance.

What is the switching capacity and throughput?

Provides 4 Tbps bidirectional (2 Tbps unidirectional) capacity and 2976 Mpps Layer 2/Layer 3 throughput with 64-byte packets at wire speed. Ideal for high-density aggregation without bottlenecks in enterprise distribution layers.

What routing scale does it offer?

Supports 360,000 IPv4 unicast prefixes, 208,000 IPv4 routes, 104,000 IPv4 multicast routes, 170,000 IPv6 prefixes, plus 64 ECMP paths and 288,000 MAC addresses. Enables large-scale deployments with efficient forwarding tables.

What are the physical and power specifications?

1U rack-mount form factor (23.7 lb / 10.75 kg) with dual redundant AC power supplies, back-to-front airflow (AFI), redundant fans, and 4-post rack kit included. Typical power 260W, max 450W for reliable operation.

What memory and storage are included?

Equipped with 16 GB system memory and 64 GB SSD storage, supporting advanced features like automation, Python scripting, and large routing tables without performance degradation in demanding environments.

What security certifications does it have?

Certified FIPS 140-2 and Network Device Collaborative Protection Profile (NDcPP) version 2.1 Common Criteria, plus safety standards like CB Scheme and EN 60825-1, ensuring compliance for government and enterprise secure networks.

EX4650-48Y-AFI - Juniper EX4650-48Y-AFI 4Tbps 56-Port L3 Switch

Name: Juniper EX4650-48Y-AFI 4Tbps 56-Port L3 Switch
Brand: Juniper
SKU: EX4650-48Y-AFI
Price: 20515 USD
Availability: InStock

EX4650-48Y-AFI - Juniper EX4650-48Y-AFI 4Tbps 56-Port L3 Switch | US IT Hardware

Product overview

The Juniper Networks EX4650-48Y-AFI is a 1U Layer 2/Layer 3 campus distribution switch from the EX4650 Ethernet Switch Series, designed for enterprise environments supporting mixed 1GbE, 10GbE, 25GbE, 40GbE, and 100GbE networks. It features 48 SFP28 ports (25GbE/10GbE/1GbE, expandable to 80x25GbE with breakout cables) and 8 QSFP28 ports (configurable as 8x100GbE, 8x40GbE, or 4x10GbE per port), delivering 4 Tbps bidirectional switching capacity and 2976 Mpps Layer 2/Layer 3 throughput with 64-byte packets. Equipped with 16 GB system memory and 64 GB SSD storage, it supports up to 360,000 IPv4 unicast prefixes, 208,000 IPv4 unicast routes, and 64 ECMP paths. Dual redundant AC power supplies and back-to-front airflow ensure reliability. Physical specs include 23.7 lb weight and included 4-post rack mount kit with redundant fans. Security certifications: FIPS 140-2 and NDcPP Common Criteria.

4 Tbps bidirectional switching, 2976 Mpps throughput
48 SFP28 (25/10/1GbE), expandable to 80x25GbE
8 QSFP28 (100/40GbE or 4x10/25GbE breakout)
360K IPv4 prefixes, 208K routes, 64 ECMP paths
16 GB memory, 64 GB SSD, 1U redundant design
FIPS 140-2, NDcPP security certifications

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

IPv4 Unicast Routes
Manufacturer part #	EX4650-48Y-AFI
Brand	Juniper
Condition	New
Model	EX4650-48Y-AFI
ECMP Paths	64
Technology	25GbE/100GbE Ethernet; supports 1GbE, 10GbE, 25GbE, 40GbE, and 100GbE mixed environments
Product Line	EX4650 Ethernet Switch Series
Product Type	Layer 2/Layer 3 Campus Distribution Switch
Safety Standards	CB Scheme Equipment - Safety (all country deviations); EN 60825-1 Safety of Laser Products - Part 1
MAC Address Table	512 egress filters; Layer 2 forwarding table capacity specified

Compatible systems

EX4650-48Y-AFI is a campus distribution switch compatible with mixed 1GbE, 10GbE, 25GbE, 40GbE, and 100GbE network environments; supports Layer 2 and Layer 3 connectivity to routers, servers, and other switches

Best for

Campus Distribution
Ideal for aggregating access switches in enterprise campuses with 48 SFP28 ports supporting 25GbE/10GbE/1GbE and 8 QSFP28 uplinks at 100GbE, providing 4 Tbps capacity for high-density connectivity.
Data Center Top-of-Rack
Supports mixed-speed environments up to 80x25GbE ports via breakout cables and 2976 Mpps wire-speed throughput, enabling spine-leaf fabrics with low latency.
Cloud Provider Edge
Handles large routing tables (360K IPv4 prefixes, 208K routes) and 64 ECMP paths for scalable multicast (104K IPv4 routes) in cloud infrastructures.
Enterprise Core Aggregation
Delivers 4 Tbps bidirectional throughput with redundant fans and power supplies, back-to-front airflow for reliable core switching in 1U form factor.

Frequently asked questions

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IPv6 Unicast Routes	104,000

IPv4 Multicast Routes	104,000

IPv4 Unicast Prefixes	360,000

IPv6 Multicast Routes	52,000

IPv6 Unicast Prefixes	170,000

Security Certifications	FIPS 140-2; Network Device Collaborative Protection Profile (NDcPP) version 2.1 Common Criteria

Storage	64 GB SSD

System Memory	16 GB

Switching Capacity	4 Tbps bidirectional; 2 Tbps unidirectional
Layer 2/Layer 3 Throughput	2976 Mpps (wire speed) with 64 byte packets

Power Supplies	Dual redundant AC power supplies; 2 power cords included

Weight	23.7 lb (10.75 kg)
Form Factor	1U compact rack-mount platform
Rack Mount Kit	4-post rack mount kit included

Redundant Fans	Redundant fan configuration included
Airflow Configuration	Back-to-front airflow (AFI designation)

Interface/Ports

SFP28 Ports	48 ports supporting 25GbE/10GbE/1GbE; can be configured as 80 ports with breakout cables for 4x25GbE
QSFP28 Ports	8 ports configurable as 8x100GbE or 8x40GbE; each QSFP+ port can be configured as 4x10GbE interface
Total Port Count	56 ports (48 SFP28 + 8 QSFP28); expandable to 80 25GbE ports with breakout cables

Juniper EX4650-48Y-AFI 4Tbps 56-Port L3 Switch

Product overview

Featuring

Compatible systems

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

Storage

Processor

Network & Communication

Power Consumption

Physical Characteristics

Environmental

Interface/Ports