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Silver 1U rack-mount network switch with 48 SFP28 ports and 6 QSFP28 uplinks

Arista Networks, Inc.

Arista Networks, Inc. DCS-7280SR2-48YC6-F network switch 48×25GbE 6×100GbE

SKU CH-A2TX-5MS52 MPN DCS-7280SR2-48YC6-F

A 1 RU network switch with 48 25GbE SFP28 ports and six 100GbE QSFP28 uplinks, plus dual 747W hot-swap power supplies and four hot-swap fans

  • 48 ports at 25 GbE for high-density server connectivity
  • 6 uplinks at 100 GbE deliver massive aggregation bandwidth
  • 1 RU form factor fits dense rack deployments
  • Dual 747 W hot-swap PSUs keep the switch running during maintenance
  • Front-to-rear airflow matches standard data-centre cooling layouts

Arista 7280SR2 48-port 25GbE switch

The Arista DCS-7280SR2-48YC6-F is a 1 RU network switch delivering 48 ports of 25GbE SFP28 connectivity and six 100GbE QSFP28 uplinks. It ships with two 747W hot-swappable AC power supplies and four hot-swappable fans, both configured for front-to-rear airflow. The platform runs Arista EOS and includes a management port, a serial console port, and two USB ports for operational access.

Suits 25G server fabrics with 100G uplinks.

This switch targets data-centre pods and high-performance clusters that run 25GbE to servers and aggregate over 100GbE uplinks. Buyers who need native 10GbE or 100GbE server-facing ports, integrated rack-mount rails, or a different airflow direction should evaluate other platforms. The fixed port configuration also means it cannot be reconfigured for mixed-speed deployments beyond the specified 25GbE and 100GbE interfaces.

Deciding spec: 48 SFP28 plus 6 QSFP28 ports

The single specification that determines fit is the port layout: forty-eight 25GbE SFP28 ports and six 100GbE QSFP28 uplinks in a 1 RU chassis. If your cabling plan and optics inventory match that exact combination, the switch aligns with the design; if the port count, speed, or form factor differs, another model is required.

Highlights

  • 48 ports at 25 GbE for high-density server connectivity
  • 6 uplinks at 100 GbE deliver massive aggregation bandwidth
  • 1 RU form factor fits dense rack deployments
  • Dual 747 W hot-swap PSUs keep the switch running during maintenance
  • Front-to-rear airflow matches standard data-centre cooling layouts

Specifications

BrandArista
ModelDCS-7280SR2-48YC6-F

Questions about this item

How do I confirm the 48 × 25GbE SFP28 and 6 × 100GbE QSFP28 ports are passing traffic after installation?

Connect transceivers and cables, then use the Arista EOS CLI to run 'show interfaces status' and verify each port shows 'connected' with the expected 25G or 100G speed and zero error counters.

What ships with the switch and which transceivers or cables must be purchased separately?

The box contains the 1 RU chassis, 2 × 747W hot-swappable AC power supplies (front-to-rear airflow), 4 hot-swappable fans (front-to-rear airflow), and rack-mount hardware is not included; SFP28 and QSFP28 transceivers plus fibre or copper cables are sold separately.

Which airflow direction should I select for a standard cold-aisle rack installation?

Choose the front-to-rear airflow version (the one bundled with this SKU) so cool air enters the front bezel and exhausts at the rear, matching typical data-centre cold-aisle layouts.

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