Juniper QFX Series QFX5120-48YM kytkin

The Juniper QFX5120-48YM is a high-performance, 1U rack-mountable Ethernet switch designed for data center and enterprise networks. It offers 48 x 25 Gigabit Ethernet SFP28 ports and 8 x 100 Gigabit Ethernet QSFP28 ports, delivering a switching capacity of 3.2 Tbps and a forwarding rate of 2.4 Bpps. With ultra-low latency of approximately 550 ns, this switch is ideal for latency-sensitive applications. It runs on Junos OS and supports Virtual Chassis technology for simplified management and scalability.

Advantages

High-density 25GbE and 100GbE connectivity in a compact 1U form factor. Dual redundant, hot-swappable power supplies ensure high availability. Advanced Layer 2 and Layer 3 features including VLANs, STP, LACP, OSPF, BGP, and VRRP. Front-to-back airflow for efficient cooling in data center environments.

Suitable for

• Data center top-of-rack or leaf/spine deployments
• Enterprise campus networks requiring high-speed aggregation
• Cloud and service provider environments
• High-performance computing clusters

Key specifications

• 48 x 25GbE SFP28 ports
• 8 x 100GbE QSFP28 ports
• Switching capacity: 3.2 Tbps (full duplex)
• Forwarding rate: 2.4 Bpps
• MAC address table: 288,000 entries
• Jumbo frame support: 9,192 bytes
• Operating system: Junos OS
• Virtual Chassis support
• Dual redundant, hot-swappable AC power supplies
• Front-to-back airflow
• Management: RJ-45 console, USB, 10/100/1000BASE-T out-of-band

Recommendations

For optimal performance, pair with Juniper QSFP28 and SFP28 transceivers. Ensure proper power and cooling infrastructure for data center deployment.