Product Overview
The Juniper QFX5241-64QD-DO-T2 is a high-performance 2U fixed-configuration switch designed for data center spine-and-leaf deployments. It features 64x 800GbE QSFP-DD ports for ultra-high-speed connectivity, delivering 51.2 Tbps of unidirectional throughput. This bundle includes a 4-post tool-less rack mount kit (RMK), DC PSU, FAN with port-side intake airflow, and an ORv3 2OU tray. Ideal for AI/ML workloads, cloud-scale networking, and EVPN-VXLAN fabrics.
Architecture & Performance
Powered by Junos OS Evolved and an Intel 4-core 2.2-GHz Ice Lake CPU with 32 GB DRAM, the QFX5241-64QD-DO-T2 supports advanced routing and switching. Key performance metrics include 51.2 Tbps throughput, 136 thousand MAC addresses, 4000 VLAN IDs, and 0.165 GB packet buffer. QoS offers 8 unicast and 2 multicast queues per port. Storage includes dual 480 GB SSDs for 960 GB total redundancy.
Physical specs: 2U form factor (3.46 x 19.03 x 25.51 in), 48.5 lb fully loaded. DC power system with 1+1 redundancy (3000W max, 932W avg), 4 fan modules (3+1 redundancy, 403 CFM airflow).
Port Configuration
64x QSFP-DD ports at 800GbE, 2x SFP+ ports, 1x RJ-45 console, 1x RJ-45 management, 1x USB Type A, 10 MHz, PPS, and ToD ports.
Environmental & Reliability
Operating temp 32° to 104°F (0° to 40°C), altitude up to 6000 ft, seismic Zone 4. Front-to-back airflow (AFO).
Ordering Information
Main Unit: QFX5241-64QD-DO-T2 (64x800GbE QSFP-DD switch with 4-post Tool-less RMK, DC PSU, FAN – port-side intake airflow, ORv3 2OU tray)
Chassis: QFX5241-64QD-CHAS
DC PSU: QFX5241-PWR-DC-AO (2x, 1+1 redundancy)
Fan Modules: QFX5240-2U-FANAO (4x, 3+1 redundancy)