Arista DCS-7280SR3M-48YC8-R 7280R3, 48x25GbE SFP and 8x100G QSFP switch router
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DCS-7280SR3M-48YC8-R
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overview
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DCS-7280SR3M-48YC8-R Overview
ARISTA DCS-7280SR3M-48YC8-R Macsec 1ru Switch Router, 48x25gbe Sfp Main Ports And 8x100g Qsfp Uplinks, Rear To Front Air, 2xac.
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Specifications
Overview
| Condition | Refurbished |
|---|---|
| Brand | Arista |
| Stock | In Stock |
General
| brand Name | ARISTA Networks |
|---|---|
| product Type | Ethernet Switch |
| product Family | 7280r3,7280r3 Macsec |
| macsec Support | All Ports |
| layer Supported | 3 |
| form Factor | Rack-mountable |
| ethernet Technology | 25 Gigabit Ethernet |
| power Source | 2x Power Supply (pwr-1011-ac-blue) |
| plug/connector Type | Iec 320-c13 |
Frequently Asked Questions
What are the primary port configurations of the Arista DCS-7280SR3M-48YC8-R? +
This high-performance switch features 48 SFP28 ports supporting 1G, 10G, and 25G speeds, along with 8 QSFP28 uplink ports capable of 100G connectivity. This versatile port density makes it an ideal choice for high-bandwidth data center environments requiring flexible port speed transitions.
How does the DCS-7280SR3M-48YC8-R handle large-scale buffering requirements? +
The Arista 7280R3M series is specifically engineered for deep-buffer applications. By utilizing large packet buffers, this switch excels in environments where traffic bursts are common, such as large-scale data center interconnects, content delivery networks, and high-performance computing clusters where packet loss due to congestion must be avoided.
What airflow direction does the 'R' suffix denote for this Arista switch? +
The 'R' at the end of the SKU signifies rear-to-front airflow, which is critical for standard hot-aisle/cold-aisle data center rack deployments. This cooling design pulls air from the port side and exhausts it out the rear of the chassis, ensuring consistent thermal management in high-density enterprise server environments.
Is the DCS-7280SR3M-48YC8-R compatible with Arista EOS? +
Yes, this device runs the Arista Extensible Operating System (EOS). This provides a consistent, programmable, and highly stable management environment across your entire Arista infrastructure, enabling advanced features like CloudVision and comprehensive automation capabilities for modern software-defined networking workflows.
Can I use this switch for high-frequency trading or low-latency applications? +
While the 7280R3M series is optimized for deep-buffer performance rather than ultra-low latency, it offers deterministic performance suitable for many distributed applications. It balances throughput and latency, making it better suited for storage networking and large-scale leaf-spine architectures than pure, low-latency-focused trading platforms.
What deployment scenarios are best suited for the Arista 7280SR3M series? +
This switch is designed for high-density leaf-spine fabrics, data center interconnects, and IP storage environments. Its high port density and deep-buffer architecture allow it to manage significant traffic spikes efficiently, providing the reliability needed for core routing and service provider edge deployments.
How do I manage the Arista DCS-7280SR3M-48YC8-R within my existing network fabric? +
Management is performed through Arista EOS, which supports standard CLI access, SNMP, and advanced APIs for automation. For larger environments, it integrates seamlessly with Arista CloudVision, allowing for centralized configuration, automated provisioning, and comprehensive telemetry monitoring across your entire switching fabric.
What is the physical footprint of the Arista 7280SR3M-48YC8-R? +
This is a standard 1RU rackmount unit designed to fit into standard 19-inch equipment racks. Its compact form factor is optimized for density, allowing network administrators to maximize port count per rack unit while maintaining effective cable management and thermal airflow standards.
How can I obtain a bulk quote for multiple Arista switches from BuyRouterSwitch.com? +
For large volume orders or specific project requirements, contact our sales department directly through our website. Our team specializes in providing tailored pricing for enterprise-level deployments, ensuring you receive the most competitive quotes on our extensive inventory of high-performance Arista switching hardware.
Why should I choose BuyRouterSwitch.com for my networking equipment procurement? +
BuyRouterSwitch.com is a dedicated partner for enterprise network procurement, offering professional sales support and a streamlined, secure ordering process. We focus on providing authentic, high-quality networking gear, ensuring your procurement team receives reliable hardware from a trusted source for all your critical data center infrastructure needs.
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