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The Juniper QFX5250 line of Switches is the world’s highest-performance, liquid-cooled, Ultra Ethernet Transport ready switch designed for next-generation AI infrastructure. Built on Broadcom’s Tomahawk 6 silicon with 102.4 Tbps bandwidth, the switch is optimized for performance, power efficiency, and operational simplicity. It brings decades of innovation in Juniper Junos software, HPE liquid-cooling leadership, and proven AIOps from Marvis AI.
High Performance and High Density for AI and HPC Data Centers
The QFX5250 delivers 102.4 Tbps throughput in a 2OU fixed switch.
The QFX5250 delivers high density with 64x 1.6TbE ports, which can also be used to deliver 128x 800GbE ports.
High Power Efficiency with Liquid Cooling (Air Cooled Version also Available)
The QFX5250 leverages over 30 years of HPE liquid cooling innovation. Direct to chip liquid cooling reduces power consumption and cooling costs.
AI-optimized Junos OS Delivers Maximum Performance
The QFX5250 implements congestion avoidance technologies through dynamic load balancing (DLB), global load balancing (GLB), static load balancing (SLB), and weight packet spraying (WPS).
When congestion can’t be avoided, congestion management features control congestion to prevent packet drops, creating a lossless environment. These features include DCQCN (PFC+ECN), interface and queue level telemetry, PFC watchdog, and per-Q alpha threshold value support.
