The Juniper QFX5210-64C delivers dense 100GbE fabric capacity for data centre spine deployments. Its Layer 3 switching and hot-swappable PSUs help large environments scale east-west traffic with consistent resilience and fewer bottlenecks.
As east-west traffic, rack density and latency targets rise, infrastructure teams need fabric capacity that scales cleanly without adding unnecessary switch count.
The Juniper QFX5210-64C is a fixed switch for high-scale leaf and spine deployments in data centre, lab and service-provider environments. Its 64×QSFP28 port layout and 100G line rate support dense fabric designs where consistent server-to-server connectivity matters.
With 12,800 Gbps of switching capacity and dynamic routing, the platform fits environments that need predictable forwarding across many connected racks. The fixed form factor suits deployments that want high 100GbE density without moving to a 400GbE refresh.
That combination helps teams reduce switch count versus 32-port alternatives, preserve headroom for growth, and keep aggregation layers simpler to operate. It is a practical fit for fabrics carrying compute, storage, analytics or production traffic at scale.
Our team can help you assess where the Juniper QFX5210-64C fits in your fabric design and plan a deployment aligned to your operational requirements.
The Juniper QFX5210-64C is a data center switching platform for high-density leaf-spine networks, built to support cloud-scale deployments with predictable forwarding and operational consistency.
Leaf-Spine Building Block
The platform is designed for data center fabrics where high-density switching supports scalable east-west traffic architectures.
64x QSFP28 Connectivity
It provides 64 QSFP28 ports to support dense high-speed aggregation and interconnect requirements.
100G Fabric Capability
The switch supports up to 100G port speeds, aligning the platform with high-throughput data center links.
12800 Gbps Capacity
Its switching capacity of 12800 Gbps supports the forwarding scale needed for modern fabric environments.
Fabric-Oriented Deployment
The platform is suited to standardized network fabrics where consistent switching behavior supports repeatable deployment patterns.
Cloud-Scale Network Use
Its architecture aligns with cloud and virtualized environments that depend on high-bandwidth switching resources.
Predictable Forwarding Model
The switching design supports stable traffic handling across dense interconnect topologies.
If you are planning a high-density data center fabric, our team can help size the QFX5210-64C for throughput, port density, and leaf-spine design requirements.
| Product Family | Juniper QFX |
|---|---|
| Product Series | QFX5210 |
| Deployment | Data Centre |
| Target Organisation Size | Service Provider |
| Primary Use Case | Spine |
| Product Tier | Standard |
| Network Architecture | Layer 3 |
| Access Ports | 64 |
| Access Port Architecture | QSFP28 |
| Uplink Ports | None |
| Uplink Architecture | None |
| Total Ports | 64 |
| Maximum Port Speed | 100G |
| Port Configuration | 64×QSFP28 |
| PoE | No |
| Stacking | Supported |
| Operating System | |
| Power Redundancy | Hot-swappable PSUs |
| Maximum VLANs | 4096 |
| Routing Capability | Dynamic |
| Switching Capacity (Gbps) |
The Juniper QFX5210-64C is a 64-port 100GbE fixed switch for dense data centre fabrics, private cloud clusters and other environments where east-west traffic, predictable latency and low oversubscription matter more than a move to 400GbE.
In larger data centres, this switch fits spine or top-tier leaf roles where rack counts are rising and 32-port designs no longer provide enough headroom. It reduces switch count while keeping 100GbE aggregation consistent.
Platform teams running build, test and shared services across multiple racks need stable 100GbE paths between compute and storage. The QFX5210-64C supports that fabric scale without forcing an early refresh to 400GbE.
For finance environments moving large datasets between application, storage and compute pods, the switch helps keep oversubscription under control. It suits low-latency cores where congestion and jitter can disrupt analytics and trading workflows.
Media and entertainment teams often push large files across render nodes, ingest systems and shared storage at the same time. This 100GbE platform gives those fabrics the bandwidth needed to reduce transfer delays across busy production clusters.
In telecoms, the QFX5210-64C works in NFV and metro cloud fabrics that need high-capacity service-node aggregation in a fixed platform. It is a practical choice when chassis complexity is not justified.
Our team can help design and deploy Juniper QFX5210-64C fabrics for data centres, software development platforms, finance networks, media clusters and telecoms environments, with practical guidance on scaling, resilience and operational fit.
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Below you’ll find alternative models, suitable software and services that pair with this solution – helping you to avoid compatibility issues, reduce support overhead and deploy with confidence.
Not all deployments fit standard configurations. If you’re weighing up options or want a second opinion on your setup, our team is here to help with honest, straightforward advice backed by decades of vendor knowledge.
