Juniper QFX5240-64OD - 64 × 800GbE OSFP, Data Centre Spine/Leaf Switch, 2U Rack-Mountable

Juniper QFX5240-64OD is a high-performance Juniper switch designed for modern data centre spine and leaf architectures. Featuring 64 × 800GbE OSFP ports, it delivers ultra-low latency and massive throughput for AI/ML workloads, cloud-native applications, and large-scale enterprise fabrics. Built for reliability and scalability, this Juniper QFX ensures seamless performance in high-density environments and is an ideal choice for organisations seeking robust Juniper network switches.

Powered by Junos OS, the QFX5240-64OD provides advanced automation, intent-based networking, and real-time telemetry. With support for EVPN-VXLAN overlays, MPLS, segment routing, and RoCEv2, it enables efficient multi-tenant operations and high-speed data transfers. This switch offers a strong alternative to HPE switches, combining high-density, low-latency, and fully programmable capabilities for modern enterprise and cloud deployments.

KEY FEATURES:

• Total Ports: 64 × 800GbE OSFP ports
• Port Flexibility: 64 × 800GbE, 128 × 400GbE, 256 x 200GbE, 256 x 100GbE.
• Switching Capacity: 51.2/102.4 Tbps uni/bidirectional
• Forwarding Rate: 21.2Bpps 
• CPU: Intel Ice Lake (4 core)
• System Memory: 32GB (16GBx2) of DDR4
• Onboard Storage: 2x480GB
• Packet Buffer: 165 MB dynamic shared buffer
• MAC Address Table: Supports large-scale MAC entries for enterprise-grade fabrics
• VLAN Support: Up to 4,000 VLANs
• Jumbo Frames: Supports frames up to 9,216 bytes
• Latency: 700-750ns (store and forward)
• High Availability: Redundant hot-swappable AC power supplies and fan modules
• Airflow Options: Front-to-back (AFO) airflow
• Advanced Features: EVPN-VXLAN, MPLS, Segment Routing, RoCEv2, automation, intent-based networking, and programmability; provides a reliable alternative to HPE switches

TECHNICAL SPECIFICATIONS:

HARDWARE:

PERFORMANCE:

SECURITY:

MANAGEMENT:

PHYSICAL AND ENVIRONMENTAL:

ADVANCED FEATURES:

Cloud and Enterprise Workload Ready:

The Juniper QFX5240-64OD is purpose-built for AI/ML clusters, cloud-native applications, and high-performance enterprise fabrics that require ultra-low latency and high throughput. It delivers predictable, consistent performance for mission-critical workloads and supports large-scale multi-tenant fabrics. Seamless integration with existing Juniper QFX networks ensures full interoperability, while advanced automation and telemetry allow network administrators to proactively manage workloads and optimize resource allocation across complex data centre environments.

EVPN-VXLAN Overlay Support:

Provides scalable Layer 2 and Layer 3 overlays for multi-tenant, hybrid cloud, and spine-leaf deployments. Simplifies workload mobility and supports large-scale data centre fabrics with enhanced segmentation and isolation. Ensures seamless interoperability across Juniper switches, delivering consistent end-to-end fabric connectivity. With support for EVPN multihoming and fast convergence, it maintains uninterrupted services during topology changes or node failures.

MPLS & Segment Routing:

Enables deterministic routing, advanced traffic engineering, and optimized path selection for service provider and enterprise networks. Supports large-scale multi-tenant fabrics with predictable routing behavior and rapid convergence. Ensures low-latency, high-throughput connections for AI/ML, cloud-native, and enterprise workloads. Fully compatible with hybrid cloud environments, it provides network operators the flexibility to dynamically adjust traffic flows for optimal performance.

MACsec AES-256 Encryption:

Hardware-based MACsec encryption protects data-plane traffic for sensitive workloads and ensures compliance with enterprise-grade security standards. Prevents man-in-the-middle attacks and maintains data integrity across all connections. Integrates seamlessly with automation tools for large-scale deployments, enabling consistent policy enforcement across the network. This makes it a strong alternative to HPE switches for organisations requiring secure, high-performance fabric environments.

High-Density Performance:

Featuring 64 × 800GbE OSFP ports with flexible breakout options (up to 256 × 100GbE or 128 × 400GbE), the QFX5240-64OD delivers up to 102.4 Tbps of switching capacity and ultra-low sub-microsecond latency. Supports AI/ML, cloud-native, and enterprise applications, offering flexible uplink choices for spine-leaf or super-spine deployments. Its high-density design ensures future-proof scalability and low-jitter performance for demanding workloads.

Automation & Programmability:

Supports Apstra, Ansible, Terraform, ZTP, and Python scripting for rapid provisioning, consistent configurations, and simplified operational workflows. Enables API-driven automation and integration with DevOps practices. Allows large-scale fabric orchestration, intent-based networking, and seamless network lifecycle management, enhancing operational efficiency and reducing human errors in complex data centre deployments.

Streaming Telemetry & Real-Time Analytics:

Junos Telemetry Interface (JTI) offers real-time insights into network performance, proactive fault detection, and detailed monitoring of high-density deployments. Supports predictive analytics, historical data review, and SLA compliance monitoring. Enables administrators to identify trends, optimize capacity planning, and continuously validate performance across spine-leaf fabrics.

High Availability & Redundancy:

Equipped with dual hot-swappable AC power supplies, N+1 redundant fan modules, and flexible front-to-back (AFO) or back-to-front (AFI) airflow, ensuring uninterrupted operations in critical environments. Minimizes downtime during maintenance or hardware replacement, supports seamless failover, and maintains load balancing across the fabric. Enhances overall reliability for mission-critical workloads and service-level guarantees.

Advanced Layer 2/3 Capabilities:

Supports BGP, OSPF, IS-IS, LAG, 802.1Q VLANs, jumbo frames, flow control, QoS policies, and extensive MAC address tables. Ensures deterministic traffic delivery for latency-sensitive applications and optimizes network efficiency. Handles complex topologies for enterprise, cloud, and service provider deployments while enabling smooth integration of multi-tenant and hybrid cloud architectures.

Carrier-Class Reliability:

Enterprise-grade design provides robust hardware, consistent throughput, and predictable performance under high traffic loads. Optimized power and cooling reduce operational costs, while maintaining energy-efficient, high-density deployments. Minimizes jitter, packet loss, and network disruptions, ensuring service continuity for enterprise and cloud workloads.

Future-Ready Network Switch:

Modular and scalable architecture supports emerging technologies, programmable pipelines, and software-defined overlays. Flexible breakout configurations and automation-ready infrastructure allow for future network expansion. Fully supports hybrid cloud deployments, multi-tenant fabrics, and spine-leaf architectures, offering long-term investment protection.

Cloud-Optimized Features:

Tailored for hybrid cloud, AI/ML, and hyperscale workloads, providing automation frameworks, multi-tenancy, and simplified fabric management. Enhances private and public cloud integration and supports dynamic scaling for high-performance, low-latency workloads. Enables administrators to optimize resources across distributed environments efficiently.

Security & Compliance:

Advanced encryption, ACLs, RBAC, 802.1X authentication, and TACACS+/RADIUS integration protect multi-tenant environments. Ensures compliance with enterprise and service provider standards while enabling automated enforcement of security policies across the network.

Management & Orchestration:

Comprehensive management through Junos OS Evolved, telemetry, scripting, and orchestration platform integration. Provides dashboards, alerts, configuration backups, and AI-driven network analytics. Facilitates proactive issue detection, rapid troubleshooting, and simplified operational control across complex data centre fabrics.

Competitive Alternative to HPE Switches:

Delivers high-density port performance, advanced automation, telemetry, and secure connectivity, making it a strong alternative to HPE switches. Ideal for spine, leaf, and super-spine deployments requiring programmability, visibility, and hybrid cloud readiness. Supports scalable, future-proof networks with minimal operational overhead.

Energy-Efficient Design:

Intelligent PSU and fan management optimize power consumption without compromising performance. Includes energy-saving modes and meets environmental efficiency standards for sustainable data centre operations. Reduces operational costs while supporting high-density, high-performance network fabrics.

ORDERING INFORMATION:

WARRANTY & SUPPORT:

Manufacturers are responsible for warranties, which are based on the purchase date and validity. We make sure the products we sell are delivered on time and in their original condition at Grabnpay. Whether it's physical damage or operational issues, our team will help you find a solution. We help you install, configure, and manage your devices. We'll help you file a warranty claim and guide you every step of the way.

All listed prices reflect standard market rates. Final commercial terms, including volume-based discounts, will be provided based on purchase volume, MOQ, and other applicable criteria. For more information about switches & other accessories, contact our technical support team.