Overview
The Arista
DCS-7280SR3K-48YC8 platform is available in multiple airflow and power configurations. The
DCS-7280SR3K-48YC8-R is the
rear-to-front airflow variant, commonly deployed as a high-performance leaf switch in modern 25/100GbE data center fabrics.
Key Hardware Characteristics
- Port configuration: High-density 25/100GbE switching, typically deployed with 25GbE SFP28 downlinks and 100GbE QSFP28 uplinks (exact supported optics and speeds depend on EOS and transceiver/cable selection).
- Switching capacity: Up to 6.4 Tbps (platform class).
- Network OS: Arista EOS for automation, telemetry, and consistent operations across Arista switching platforms.
- Latency profile: Designed for low-latency, high-performance leaf/spine fabrics where predictable forwarding behavior is required.
Operational Use Cases
- Leaf role in 25/100GbE spine-leaf architectures for enterprise and service provider data centers
- Server-facing 25GbE connectivity with 100GbE uplinks for aggregation and fabric interconnect
- VXLAN/EVPN-based routed fabrics and large east-west traffic environments (feature availability depends on EOS version and licensing)
Related Variant
Front-to-rear airflow variant:
DCS-7280SR3K-48YC8-F
Additional Technical Resources
