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- In Stock: 44
- Manufacturer: Juniper Networks
- Model or Part: QFX5100-48S-3AFI
- Condition: Refurbished
- Weight: 3.00
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Item Condition
New - Sealed or Open Box ConditionExcellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item
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Overview
The Juniper Networks QFX5100-48S-3AFI is a high-performance, 1RU data center switch designed for ultra-low latency and high-density connectivity. Featuring 48 SFP+ 10GbE ports and six QSFP+ ports for 40GbE or 100GbE uplinks, this compact platform delivers the bandwidth and scalability required for modern cloud, enterprise, and high-frequency trading environments. Its robust Junos OS foundation ensures seamless integration with existing Juniper fabrics and simplifies automation, monitoring, and management.
Key Features
- 48 SFP+ ports supporting 10GbE for flexible server and storage connections
- Six QSFP+ ports capable of 40GbE or 100GbE aggregation and uplink
- Low-latency architecture optimized for latency-sensitive workloads
- 1RU form factor - ideal for space-constrained data centers
- Juniper Virtual Chassis technology for simplified scaling without additional management overhead
- Advanced Layer 2/3 features including VXLAN, EVPN, and MPLS
- Comprehensive security with MACsec encryption and ACLs
- Energy-efficient design with low power consumption per port
Technical Specifications
- Model/Part Number: QFX5100-48S-3AFI
- Chassis: 1RU, 19-inch rackmount
- Ports: 48 x 10GbE SFP+, 6 x 40/100GbE QSFP+
- Switching Capacity: 1.28 Tbps
- Forwarding Rate: 950 Mpps
- Latency: Sub-2 s (cut-through)
- Power Supply: Dual hot-swappable AC or DC options
- Operating Temperature: 0 °C to 45 °C (32 °F to 113 °F)
- Management: Junos OS, CLI, Web UI, SNMP, NETCONF, REST API
Typical Applications
- High-frequency trading platforms requiring sub-microsecond latency
- Leaf-spine architectures in cloud and hyperscale data centers
- Enterprise campus cores and aggregation layers
- Virtualized environments with heavy VM migration and east-west traffic
- Storage area networks (SAN) demanding high-speed, low-latency links
- Network function virtualization (NFV) and edge computing deployments