Name: QFX3500-48S4Q-E Juniper 48-Port 10Gbps SFP+ Layer 3 Switch 4x 40Gbps QSFP
Brand: Juniper Networks
SKU: QFX3500-48S4Q-E
Price: 791.21 USD
Availability: InStock
Rating: 4.8 (125 reviews)

Product Overview
The Juniper QFX3500-48S4Q-E is a Layer 3 SFP+ switch that integrates 48 ports for 10Gbps connections alongside 4 QSFP ports for 40Gbps uplinks. It fits into data center or enterprise core networks where dependable high-speed switching and routing are necessary to support multiple devices and high traffic volumes.

General Information
Brand	Juniper Networks
Part Number	QFX3500-48S4Q-E
Condition	Refurbished

Technical Information
Switch Ports	48
Number of Ports	48-Ports
Port Type	SFP+, QSFP / QSFP+, USB Console, Serial Console (RJ-45)
Port Speed	10Gbps,40Gbps
UpLink Ports	4
POE Support	No
Switching Capacity	1.28 Tbps
Switch Forwarding Rate	952.4 Mpps
DRAM	8 GB
Flash Memory	16 GB
VLAN Support	Yes
Max VLANs Supported	4094
Layer Support	Layer 3
Connector Type	SFP+,QSFP+,Serial Console (RJ-45),USB Console

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, OSPF, OSPFv3, BGP, IS-IS, VRRP, PIM-SM, IGMP, Policy-Based Routing (PBR)
Remote Protocols	Yes
Security Features	ACLs,802.1X,RADIUS,TACACS+,SSH,SNMPv3
Management Type	CLI (Junos OS),SNMP,Junos Space
Remote Management Protocol	SSH,HTTPS,Telnet,SNMP

Power & Cooling
Fans	4 hot-swappable, field-replaceable fans

Physical Characteristics
Weight	3.00
Operating Temperature	0°C to 40°C

Miscellaneous
Eco Friendly	Yes
Compliance Standards	RoHS, CE, FCC, cULus
Compliant Standards	IEEE 802.3, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3ae, IEEE 802.1D

Product Description
The Juniper QFX3500-48S4Q-E is a high-density Layer 3 switch designed to handle demanding networking tasks. It's often found in data centers and enterprise environments where fast and reliable connectivity is essential. This switch supports multiple 10Gbps connections through its 48 SFP+ ports, along with 40Gbps uplinks via 4 QSFP ports, making it well-suited for aggregation and core network roles. Built for network administrators and IT professionals, the QFX3500-48S4Q-E offers robust routing features that help manage traffic efficiently across complex network topologies. Its combination of high port density and Layer 3 capabilities address the needs of growing infrastructures requiring scalable performance. Key Features Delivers 10Gbps connectivity on 48 SFP+ ports for flexible device connections Includes 4 QSFP ports that provide 40Gbps uplink capacity Equipped with Layer 3 routing protocols to support enterprise networking demands Supports high throughput suitable for data center aggregation layers Offers a compact form factor to optimize rack space usage This switch is typically deployed in environments where data throughput and low latency are critical, such as cloud service providers and large campus networks. It plays a key role in simplifying network design while maintaining high performance for various applications.

Use Cases
The Juniper QFX3500-48S4Q-E switch is ideal for organizations requiring high-density 10Gbps connectivity combined with advanced Layer 3 routing. It is particularly suited for data centers and enterprise core networks where scalability and robust traffic management are critical to supporting virtualization, storage, and high-throughput applications. How It's Used: Deploying as a top-of-rack switch in data centers to provide high-speed connectivity for server virtualization clusters. Integrating within enterprise core network infrastructure to enable efficient routing and switching of high-volume user traffic. Supporting storage area networks (SANs) requiring low-latency 10Gbps connectivity for storage clusters and backup solutions. Facilitating edge computing deployments that demand reliable 40Gbps uplinks for aggregating distributed workloads. Implementing in campus networks to bridge multiple access switches and optimize Layer 3 traffic flows across departments. This switch enhances network performance by consolidating high-speed interfaces with sophisticated routing capabilities, allowing IT teams to maintain operational efficiency while scaling infrastructure. Its design supports complex network topologies and ensures reliable data delivery in demanding environments.