Name: QFX5100-48S-D-3AFI Juniper 48 SFP+ 10GbE 6 QSFP+ 40GbE Uplink Switch
Brand: Juniper Networks
SKU: QFX5100-48S-D-3AFI
Price: 2609.39 USD
Availability: InStock
Rating: 4.8 (118 reviews)

Product Overview
The QFX5100-48S-D-3AFI combines high-density 10GbE ports with scalable 40GbE uplinks, fitting well into modern data center networks. It provides consistent switching performance and flexible connectivity options, making it a valuable asset in environments where efficient traffic management and expansion are priorities.

General Information
Brand	Juniper Networks
Condition	Refurbished

Technical Information
Switch Type	Layer 3, Managed Switch, Gigabit Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Switch Ports	48
Number of Ports	48-Ports
Port Type	SFP+, USB Console, Serial Console (RJ-45)
Port Speed	10 Gbps,40 Gbps
UpLink Ports	6
POE Support	No
Switching Capacity	1.44 Tbps
VLAN Support	Yes
Max VLANs Supported	1-4094
Layer Support	Layer 2, 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, RIP, OSPF, OSPFv3, BGP, VRRP, PIM-SM, IGMP
Remote Protocols	Yes
Management Interfaces	Junos CLI,SSH,SNMPv2/v3,HTTPS,Telnet,Out-of-band management (RJ-45)
Security Features	Access control lists (ACLs),802.1X,MAC limiting,DoS protection
Management Type	CLI,Web (J-Web),SNMP
Remote Management Protocol	SSH,HTTPS,Telnet,SNMP
Routing Protocol	Static,OSPF,OSPFv3,BGP,RIP,VRRP,PIM-SM,IGMP

Physical Characteristics
Dimensions	1.73 x 17.4 x 18.5 inches
Weight	3.00
Operating Temperature	0°C to 45°C

Miscellaneous
Assembly Required	No
Compliance Standards	WEEE, RoHS, CE, FCC, UL

Product Description
The QFX5100-48S-D-3AFI is a high-performance network switch built for demanding environments requiring dense 10GbE access and scalable uplinks. It is commonly found in data center top-of-rack setups where multiple servers and storage devices connect with minimal delay and optimal bandwidth. Often deployed in enterprise IT and cloud infrastructure networks, it benefits network engineers and administrators seeking reliable, low-latency switching with versatile uplink options. This model supports various network architectures and simplifies scaling without compromising performance. Key Features Supports 48 SFP+ ports for robust 10 Gigabit Ethernet connectivity Offers 6 QSFP+ ports that handle flexible 40GbE uplink configurations Operates with low latency to enhance application responsiveness Includes comprehensive Layer 2 and Layer 3 protocol support Designed to integrate seamlessly into virtualized and cloud environments Its solid build and consistent throughput make it a cornerstone component in network fabric designs. Reliability and performance are balanced to meet operational demands without excess complexity. Overall, the QFX5100-48S-D-3AFI delivers practical networking functionality suited to evolving infrastructure needs.

Use Cases
This switch is typically used in data centers and enterprise network environments where high port density and flexible uplink capacity are essential. It suits IT teams aiming to optimize network throughput and latency for server clusters and storage systems. How It's Used: Aggregates server connections in top-of-rack deployments within data centers Supports virtualized computing environments requiring low-latency switching Facilitates uplink expansion in modular network fabrics for enterprise IT Connects storage clusters requiring consistent 10GbE bandwidth Integrates into cloud infrastructure networks for scalable performance By delivering reliable switching and adaptable uplink options, this switch helps maintain operational efficiency and supports growing network demands without sacrificing performance or stability.