Name: QFX3500-48S4Q-AFO Juniper 48x10G SFP+ 4x40G QSFP Layer 3 Reverse Airflow Switch
Brand: Juniper Networks
SKU: QFX3500-48S4Q-AFO
Price: 3258.74 USD
Availability: InStock
Rating: 4.8 (118 reviews)

Product Overview
The QFX3500-48S4Q-AFO from Juniper is a Layer 3 managed network switch designed to deliver high-speed 10G and 40G connectivity in a compact 1U rack-mountable chassis. Its reverse airflow cooling makes it adaptable to various data center environments, making it a solid choice for enterprises and data centers needing flexible, scalable network infrastructure.

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

Technical Information
Switch Ports	48 SFP+,4 QSFP+
Number of Ports	48-Ports
Port Speed	10G SFP+,40G QSFP+
UpLink Ports	4 x QSFP+
POE Support	No
Switching Capacity	1280 Gbps
Switch Forwarding Rate	1904 Mpps
VLAN Support	Yes
Max VLANs Supported	1-4094
Stackable	No
Layer Support	Layer 3
Connector Type	SFP+,QSFP+

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, OSPF, OSPFv3, BGP, VRRP, PIM-SM, IGMP, Policy-Based Routing (PBR)
Remote Protocols	Yes
Security Features	SSH,ACLs,802.1X,RADIUS/TACACS+,Storm control,IP source guard,DHCP snooping
Management Type	CLI (Junos),Web (J-Web),SNMP
Remote Management Protocol	SSH,HTTPS,SNMPv2/v3,NETCONF
Routing Protocol	Yes

Power & Cooling
Power	AC 100-240V, 50/60 Hz
Power Supply	Dual hot-swappable AC power supplies (field-replaceable)

Physical Characteristics
Weight	4.00
Operating Temperature	0°C to 40°C

Miscellaneous
Compliance Standards	WEEE, RoHS, CE, FCC, UL, TUV, cULus
Compliant Standards	IEEE 802.3,IEEE 802.3ae,IEEE 802.3ba,IEEE 802.1Q,IEEE 802.1D,IEEE 802.1w,IEEE 802.1s,IEEE 802.3ad

Product Description
The Juniper QFX3500-48S4Q-AFO is a powerful network switch that delivers high-performance connectivity for demanding data center environments. It is commonly used in enterprise networks and data centers where fast and reliable switching is essential. Built for network engineers and IT professionals, this switch handles intensive Layer 3 routing tasks and supports scalable 10GbE and 40GbE connections. Its reverse airflow design helps maintain optimal cooling in various rack configurations. Key Features Combines 48 SFP+ 10G ports with 4 QSFP 40G ports for versatile network scaling Layer 3 capabilities enable efficient routing and traffic management Compact 1U form factor fits standard racks while saving space Reverse airflow cooling suits different rack setups and ventilation needs Supports advanced network protocols and security features for robust operation This switch is often found in data centers handling heavy network traffic and in large enterprise cores where efficiency and speed are priorities. Its design helps maintain performance under load while adapting to physical rack constraints. By integrating this switch, organizations can improve network throughput and reliability, supporting growth without compromising on manageability or cooling.

Use Cases
The QFX3500-48S4Q-AFO switch is commonly deployed in data centers and enterprise network cores where high-density 10G and 40G connectivity is essential. Its reverse airflow design suits environments with specific cooling requirements, such as hot aisle containment setups, benefiting network architects and IT professionals managing scalable infrastructures. How It's Used: Aggregating server and storage traffic in virtualization-heavy data centers requiring low-latency Layer 3 routing. Serving as the top-of-rack switch in high-performance computing clusters to support intensive data throughput demands. Integrating multiple remote office networks into a centralized enterprise network using advanced Layer 3 routing capabilities. Deploying in colocation facilities where adaptable airflow design optimizes existing cooling systems. Supporting edge computing environments needing compact, high-speed connectivity with flexible port configurations. This switch enhances operational efficiency by delivering scalable bandwidth and adaptable cooling compatibility, which helps maintain consistent network performance under evolving workloads. It enables network teams to address both current and future connectivity challenges in dense, multi-tenant, or geographically distributed data infrastructures.