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Part Number: DCS-7280SR-48C6-R
Description: Arista 7280R, 48x10GbE (SFP+) & 6x100GbE QSFP switch
Category: Arista 7280R Series Switches, Arista Switches, Switches
15+ Years of Proven Excellence
Delivering reliable IT hardware solutions since 2009.
Same-Day Shipping
On all on-hand orders placed before 2 pm CST.
Limited Lifetime Warranty
You’ll find warranty coverage on the majority of our hardware.*
Terms & Conditions*
The Arista DCS-7280SR-48C6-R represents a significant advancement in data center switching technology, delivering exceptional performance and versatility for modern network infrastructures. This powerful platform combines high port density with impressive throughput capabilities, making the DCS-7280SR-48C6-R an ideal choice for organizations requiring robust connectivity solutions. The DCS-7280SR-48C6-R features 48x SFP+ ports for 10GbE connections alongside 6x 100GbE QSFP ports, providing flexible deployment options for diverse networking requirements.
With its sophisticated architecture, the DCS-7280SR-48C6-R delivers consistent, predictable performance even under demanding workloads. The 7280SR-48C6-R enables organizations to build high-performance networks that support mission-critical applications with minimal latency and maximum reliability. Customers deploying the DCS-7280SR-48C6-R experience improved application responsiveness and enhanced operational efficiency, directly contributing to better business outcomes and competitive advantage in today’s high-speed digital economy.
The DCS-7280SR-48C6-R implements a comprehensive suite of Layer 2 and Layer 3 features, establishing it as a versatile platform for diverse networking requirements. Through its deep buffering capabilities, the 7280SR-48C6-R handles traffic spikes elegantly, ensuring consistent performance during microbursts that are common in modern data centers. The DCS-7280SR-48C6-R supports advanced routing protocols alongside switching functions, eliminating the need for separate dedicated devices.
The 7280SR-48C6-R excels as a leaf-spine architecture component, providing the performance and feature set required for modern data center topologies. The DCS-7280SR-48C6-R offers wire-speed routing performance across all ports, enabling efficient traffic distribution and optimal path selection. This combination of routing and switching capabilities makes the DCS-7280SR-48C6-R an excellent addition to any network where performance and flexibility are paramount, meeting the needs of the most demanding environments.
The Arista DCS-7280SR-48C6-R delivers outstanding value through its balanced combination of performance, features, and price. While maintaining Arista’s renowned quality standards, the 7280SR-48C6-R provides enterprise-class capabilities at a price point that enhances ROI for networking infrastructure investments. The DCS-7280SR-48C6-R optimizes both capital expenditure and operational costs, creating a compelling business case for organizations of all sizes.
Customers can purchase the DCS-7280SR-48C6-R with confidence, knowing they’re receiving a product that competes favorably with alternatives from other brands in both technical specifications and cost-effectiveness. The 7280SR-48C6-R’s efficient design reduces power consumption while maximizing port density, directly contributing to lower ongoing operational expenses. Whether purchased new or as a refurbished option, the DCS-7280SR-48C6-R provides exceptional value throughout its operational lifespan, making it a prudent investment for forward-thinking organizations.
The DCS-7280SR-48C6-R runs Arista’s EOS (Extensible Operating System), a modern, programmable network operating system that enhances both functionality and manageability. EOS provides the 7280SR-48C6-R with a stable, feature-rich foundation that supports advanced networking protocols alongside programmability features that simplify automation. The DCS-7280SR-48C6-R benefits from EOS’s unique architecture that separates state information from process operation, ensuring superior reliability and uptime.
Network administrators can leverage the DCS-7280SR-48C6-R’s programmable interfaces to implement data-driven operational models that improve efficiency and reduce management overhead. The 7280SR-48C6-R supports sophisticated telemetry capabilities that provide real-time visibility into network performance and health, enabling proactive management. These capabilities make the DCS-7280SR-48C6-R an ideal platform for organizations focused on modernizing their network operations through automation, delivering tangible operational benefits that extend well beyond the initial purchase.
The Arista DCS-7280SR-48C6-R features a robust hardware platform engineered for reliability and performance in demanding data center environments:
| Feature | Specification |
| Form Factor | 1RU, rack-mountable |
| Dimensions (W × D × H) | 17.5″ × 20.5″ × 1.75″ (44.5 × 52.1 × 4.4 cm) |
| Weight | 21 lbs (9.5 kg) |
| Ports | 48x 10GbE SFP+ and 6x 100GbE QSFP ports |
| Switching Capacity | 1.8 Tbps |
| Forwarding Rate | 1.3 Bpps |
| Latency | 1-3 microseconds (port to port) |
| CPU | Quad-core x86 |
| System Memory | 16 GB |
| Packet Buffer | 12 MB |
| Flash Storage | 4 GB |
| Power Supply | 2 × redundant hot-swappable AC/DC PSUs |
| Typical Power Consumption | 470W |
| Maximum Power Consumption | 560W |
| Operating Temperature | 0° to 40°C (32° to 104°F) |
| Mean Time Between Failures | >300,000 hours |
The DCS-7280SR-48C6-R is designed with reliability as a core principle, featuring redundant power supplies that ensure continued operation even if one power unit fails. Each 100GbE QSFP switch port can be split into 4x 25GbE or 4x 10GbE connections, greatly increasing the effective port density of the 7280SR-48C6-R. The switch has been thoroughly inspected and packaged to ensure it meets the high quality standards Arista customers expect from their networking equipment.
The DCS-7280SR-48C6-R runs Arista EOS (Extensible Operating System), providing a comprehensive set of networking features:
| Feature Category | Key Capabilities |
| Layer 2 | 802.1Q VLANs, MLAG, LACP, LLDP, Q-in-Q |
| Layer 3 | BGP, OSPF, IS-IS, RIP, Static Routing, VRRP |
| IPv6 | Full IPv6 support, OSPFv3, BGP4+ |
| Multicast | IGMP, PIM-SM, PIM-SSM, Anycast RP |
| High Availability | NSF, SSO, ISSU, Redundant Supervisor |
| Security | ACLs, TACACS+, RADIUS, SSH, TLS |
| QoS | 8 queues per port, WRED, Hierarchical QoS |
| Management | JSON-RPC, REST API, SNMP, sFlow, XMPP |
| Automation | ZTP, Puppet, Chef, Ansible, Python |
| Monitoring | LANZ, VM Tracer, Path Tracer, sFlow |
The DCS-7280SR-48C6-R benefits from Arista’s consistent EOS software across its entire product line, ensuring operational consistency when deploying mixed hardware platforms. Arista provides regular software updates for the 7280SR-48C6-R, delivering both new features and security patches to maintain optimal functionality. The software architecture of the DCS-7280SR-48C6-R supports hitless upgrades, allowing software updates without service interruption.
The DCS-7280SR-48C6-R delivers exceptional performance metrics suitable for demanding data center applications:
| Performance Metric | Capability |
| MAC Address Table | 288,000 entries |
| IPv4 Routes | 128,000 (host) / 59,000 (LPM) |
| IPv6 Routes | 52,000 (host) / 25,000 (LPM) |
| ACLs | 20,000 |
| VLANs | 4,096 |
| IGMP Groups | 32,000 |
| Jumbo Frame Support | 9,216 bytes |
| ECMP Paths | 64-way |
| MLAG | 16-way |
| Mirroring Sessions | 8 |
The DCS-7280SR-48C6-R provides the processing capacity required for large-scale data centers with substantial routing and switching requirements. Its buffer architecture ensures consistent performance during traffic microbursts that are common in modern applications. The 7280SR-48C6-R’s forwarding capabilities maintain deterministic performance even when multiple features are enabled simultaneously.
The DCS-7280SR-48C6-R offers specific advantages compared to other models in the Arista 7280 Series:
| Feature | DCS-7280SR-48C6-R | DCS-7280SR-48C6-F | DCS-7280SR-48YC6 |
| Form Factor | 1RU | 1RU | 1RU |
| 10G SFP+ Ports | 48 | 48 | 0 |
| 25G SFP28 Ports | 0 | 0 | 48 |
| 100G QSFP Ports | 6 | 6 | 6 |
| Airflow | Rear to Front | Front to Rear | Various Options |
| Typical Use Case | General DC | Hot-Aisle/Cold-Aisle | High-Performance |
| Availability | Good | Good | Limited |
| Target Environment | Enterprise DC | Modern DC | Cloud DC |
The DCS-7280SR-48C6-R is positioned as a versatile option within the 7280SR family, ideal for various deployment scenarios. The ‘R’ in DCS-7280SR-48C6-R indicates the rear-to-front airflow configuration, which should be considered when evaluating options for your specific data center layout. Compared to the DCS-7280SR-48YC6, the 7280SR-48C6-R offers 10G interfaces rather than 25G, making it an excellent choice for environments that haven’t yet fully migrated to higher-speed server connectivity.
The Arista DCS-7280SR-48C6-R achieves an optimal balance of performance and affordability through its efficient design that maximizes port density while minimizing power consumption, directly impacting both acquisition cost and ongoing operational expenses. Its feature-rich software platform eliminates the need for additional specialized devices, reducing the total number of products required in a typical network deployment and simplifying the overall architecture. The DCS-7280SR-48C6-R’s competitive price point makes it accessible to a wider range of customers, from mid-sized enterprises to large organizations maintaining strict budgetary controls while still requiring excellent quality networking equipment.
The DCS-7280SR-48C6-R supports all standard networking protocols and integrates seamlessly with existing multi-vendor environments through industry-standard implementations, reducing migration risks and simplifying deployment processes. Its comprehensive interoperability has been thoroughly verified through rigorous testing and real-world deployments, ensuring compatibility with a wide range of accessories and equipment commonly found in heterogeneous data centers. The DCS-7280SR-48C6-R’s flexible configuration options and programmable interfaces facilitate integration into existing operational workflows, allowing organizations to add this switch to their cart of networking solutions without disrupting established management practices or requiring extensive retraining of staff.
The DCS-7280SR-48C6-R provides substantial capacity headroom with its 1.8 Tbps switching fabric and 100GbE uplink ports, ensuring the platform can accommodate growing traffic demands as data center requirements evolve. Its programmable architecture supports feature evolution through software updates, allowing new capabilities to be added to your list of available functions throughout the product lifecycle without necessitating hardware replacement. The 7280SR-48C6-R’s flexible port configurations, including the ability to break out higher-speed interfaces into multiple lower-speed connections, enable the switch to adapt to changing connectivity requirements and protect your investment as your organization’s networking needs continue to develop over time.
The DCS-7280SR-48C6-R implements comprehensive reliability features including redundant, hot-swappable power supplies that maintain operation during power component failures, minimizing the risk of service interruptions in production environments. Its EOS operating system architecture separates state information from process operation, ensuring that individual process failures don’t impact overall switch functionality, which substantially reduces the possibility of service-affecting software issues. The 7280SR-48C6-R supports advanced high-availability protocols including Multi-Chassis Link Aggregation that provide network-level redundancy, ensuring business-critical applications remain accessible even during maintenance activities or in the event of a complete switch failure.
Organizations should carefully review the airflow pattern of the DCS-7280SR-48C6-R, as its rear-to-front cooling design must align with the data center’s overall thermal architecture to ensure systems remain within appropriate temperature ranges. When planning the purchase, consideration should be given to the appropriate transceivers and cabling, as these items are typically sold separately and their sale prices may affect the overall project budget and implementation timeline. IT teams should invest time in becoming familiar with Arista’s EOS operating system to fully leverage its management capabilities, particularly if they’re transitioning from other vendors’ equipment, as the learning curve will be quickly offset by the operational benefits of the platform’s advanced automation and monitoring features.
Our team of professionals are experts in networking hardware configurations and can assist you at any time during your purchasing process. We always recommend great price-performance alternatives based on current market price and availability. In need of assistance or looking for a specific part number? Request a quote today or chat with one of our IT specialists.

