PACKETPERF

Primary Device

Juniper Networks QFX5240
Juniper Networks QFX5240
★ 3.1 Value Score

Technical Specifications

  • Switching Capacity: 102.4 Tbps (Bidirectional)
  • Forwarding Rate: 21.2 Bpps
  • Ports (breakdown): 64 x 800GbE (QSFP-DD800 or OSFP); Supports breakout to 128 x 400GbE, 256 x 200GbE, 256 x 100GbE, or 256 x 50GbE
  • PoE Budget (if applicable): N/A
  • Layer (L2/L3): L2/L3
  • Stacking support: No (Designed for IP Fabric/EVPN-VXLAN architectures)

Curation Review

  • ✔ Pros: Industry-leading density with 64x800GbE in a 2U form factor; specifically optimized for AI/ML workloads with RoCEv2 and congestion management; highly automatable via Juniper Apstra.
  • ✘ Cons: Significant initial investment cost; shallow 165MB shared buffer may lead to congestion in non-AI storage environments; learning curve for Junos OS Evolved.
  • Est. Price: $233,000 - $320,250

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