QFX5210-64C-D-AFI2, Juniper QFX5210 Switch, 64xQSFP28/2xSFP+/Back to Front Airflow/DC Power

The Juniper QFX5210-64C-D-AFI2 is a high-density, enterprise-class data center Ethernet switch designed for modern leaf-spine architectures and cloud-ready networks. As part of the QFX5200/QFX5210 Series, it delivers flexible 10/25/40/50/100GbE connectivity, enabling smooth migration from legacy server speeds to 100G without redesigning your infrastructure. With 64 x QSFP28 ports and 2 x SFP+ ports in a compact 1RU form factor, this Juniper switch supports high port density for spine or leaf roles in data centers across Asia, Europe, Africa, and North America. The platform offers up to 6.4 Tbps full-duplex switching capacity and up to 4.8 Bpps packet forwarding, providing headroom for demanding east-west traffic, virtualization, and cloud workloads.

Running Junos OS for the QFX Series, the QFX5210-64C-D-AFI2 supports a rich set of Layer 2 and Layer 3 features, making it suitable for both traditional and EVPN-VXLAN-based fabrics, depending on software licensing and version. Low sub-microsecond latency and an on-chip packet buffer help maintain consistent performance even under bursty traffic, which is critical for financial services, content delivery, and latency-sensitive applications. The switch uses back-to-front (port-to-FRU side) airflow, aligning with hot-aisle/cold-aisle designs in standard data centers, and includes redundant, hot-swappable fan trays to minimize downtime during maintenance.

The Juniper QFX5210-64C-D-AFI2 operates with DC power and supports redundant, hot-swappable DC power supplies, as defined for the QFX5210-64C hardware platform, helping integrators and operators meet reliability and uptime targets. A dedicated out-of-band management Ethernet port, console interface, and USB port (where applicable) give network teams flexible options for deployment, remote access, and troubleshooting. The fixed-configuration 1RU chassis supports standard 19-inch rack mounting, simplifying deployment in co-location sites and enterprise data centers. Compliance with IEEE Ethernet standards for 10/25/40/50/100GbE and relevant safety and EMC regulations ensures interoperability in multivendor environments.

Typical use cases for the QFX5210-64C-D-AFI2 include data center spine and leaf roles, high-density 100GbE aggregation, and cloud infrastructure interconnect. For distributors and small to mid-size integrators, the consistent Junos OS feature set and shared QFX5200/QFX5210 architecture simplify inventory planning, configuration templates, and support processes across regional projects. For end users, the switch provides scalable, reliable connectivity for private cloud, hybrid cloud, and large enterprise core networks. Environmental parameters such as operating temperature and non-condensing humidity follow the official Juniper QFX5210 specifications, making this platform a dependable choice for controlled data center environments worldwide.