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
Part Number: DCS-7280CR2A-30-F
Description: Arista 7280R2, 30x100GbE QSFP switch, AlgoMatch, expn mem, configurable fans and psu
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-7280CR2A-30-F represents a significant advancement in data center switching technology, delivering exceptional performance and flexibility for modern data center environments. This powerful platform from Arista Networks combines high port density with impressive throughput capabilities, making the DCS-7280CR2A-30-F an ideal solution for bandwidth-intensive applications. The DCS-7280CR2A-30-F features a carefully balanced design that optimizes both performance and operational efficiency, ensuring organizations receive maximum value from their network infrastructure investment.
With its sophisticated architecture, the DCS-7280CR2A-30-F provides the foundation for next-generation data center networks that require both scalability and intelligence. The DCS-7280CR2A-30-F delivers consistent, predictable performance even under demanding workloads, enabling businesses to maintain service quality as application requirements evolve. Organizations implementing the DCS-7280CR2A-30-F experience improved application responsiveness and enhanced operational efficiency, directly contributing to better business outcomes and competitive advantage.
The DCS-7280CR2A-30-F implements an innovative thermal architecture that ensures optimal operation in diverse data center environments. Through its efficient cooling system, the DCS-7280CR2A-30-F maintains component temperatures within ideal operating ranges, extending hardware lifespan and reducing failure risks. The DCS-7280CR2A-30-F features rear-to-front airflow, making it compatible with modern hot-aisle/cold-aisle data center designs that maximize cooling efficiency.
Arista Networks has engineered the DCS-7280CR2A-30-F with reliability as a core design principle, incorporating redundant cooling components that ensure continued operation even if individual fans fail. The DCS-7280CR2A-30-F’s thermal management system continuously monitors environmental conditions and adjusts cooling performance accordingly, preventing thermal-related issues before they impact service availability. This advanced thermal design contributes to the DCS-7280CR2A-30-F’s impressive uptime statistics and reduced maintenance requirements, directly translating to lower operational costs and higher business continuity.
The Arista DCS-7280CR2A-30-F offers exceptional connectivity flexibility through its diverse port configuration. With 30 100G QSFP ports, the DCS-7280CR2A-30-F provides substantial bandwidth capacity for connecting high-performance computing clusters, storage systems, and other bandwidth-intensive applications. The DCS-7280CR2A-30-F supports breakout cables that enable each 100G port to be split into multiple lower-speed connections, maximizing deployment flexibility and port utilization.
Organizations can leverage the DCS-7280CR2A-30-F’s connectivity options to build networks that precisely match their specific requirements without overprovisioning. The DCS-7280CR2A-30-F supports a wide range of transceivers and cables, enabling cost-effective connectivity across various distances and media types. This flexibility makes the DCS-7280CR2A-30-F an ideal platform for diverse applications from high-frequency trading environments where latency is critical to large-scale cloud deployments where scale and density are paramount.
The DCS-7280CR2A-30-F runs Arista’s EOS (Extensible Operating System), a modern, programmable network operating system that enhances both functionality and manageability. EOS provides the DCS-7280CR2A-30-F with a stable, feature-rich foundation that supports advanced networking protocols alongside programmability features that simplify automation. The DCS-7280CR2A-30-F benefits from EOS’s unique architecture that separates the control plane from the data plane, ensuring continued forwarding even during control plane operations.
Network administrators can leverage the DCS-7280CR2A-30-F’s programmable interfaces to implement data-driven operational models that improve efficiency and reduce management costs. The DCS-7280CR2A-30-F supports sophisticated telemetry capabilities that provide real-time visibility into network performance and health, enabling proactive management rather than reactive troubleshooting. These capabilities make the DCS-7280CR2A-30-F an ideal platform for organizations focused on modernizing their network operations while making significant improvements in operational efficiency.
The Arista DCS-7280CR2A-30-F 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″ × 23″ × 1.75″ (44.5 × 58.4 × 4.4 cm) |
| Weight | 28 lbs (12.7 kg) |
| Ports | 30 × 100GbE QSFP |
| Switching Capacity | 3.0 Tbps |
| Forwarding Rate | 1.4 Bpps |
| Latency | 2-3 microseconds (dependent on port speed) |
| CPU | Quad-core x86 |
| System Memory | 16 GB |
| Packet Buffer | 32 MB |
| Flash Storage | 4 GB |
| Power Supply | 2 × redundant hot-swappable AC/DC PSUs |
| Typical Power Consumption | 800W |
| Airflow Direction | Rear-to-front |
| Operating Temperature | 0° to 40°C (32° to 104°F) |
| Mean Time Between Failures | >300,000 hours |
The DCS-7280CR2A-30-F is designed with reliability as a core principle, featuring redundant power supplies and efficient cooling systems that ensure continued operation in demanding conditions. The number of interfaces and their high-speed capabilities make the DCS-7280CR2A-30-F ideal for high-density data center deployments. The switch includes sophisticated hardware acceleration for routing and switching functions, ensuring wire-speed performance across all ports simultaneously.
The DCS-7280CR2A-30-F 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-7280CR2A-30-F benefits from Arista’s consistent EOS software across its entire product line, ensuring operational consistency when deploying mixed hardware platforms. Arista Networks provides regular software updates for the DCS-7280CR2A-30-F, delivering both new features and security patches to maintain optimal functionality. The software architecture of the DCS-7280CR2A-30-F supports hitless upgrades, allowing software updates without service interruption.
The DCS-7280CR2A-30-F delivers exceptional performance metrics suitable for demanding data center applications:
| Performance Metric | Capability |
| MAC Address Table | 136,000 entries |
| IPv4 Routes | 128,000 (host) / 84,000 (LPM) |
| IPv6 Routes | 56,000 (host) / 28,000 (LPM) |
| ACLs | 12,000 |
| VLANs | 4,096 |
| IGMP Groups | 16,000 |
| Jumbo Frame Support | 9,216 bytes |
| ECMP Paths | 64-way |
| MLAG | 16-way |
| Mirroring Sessions | 8 |
The DCS-7280CR2A-30-F provides the processing capacity required for large-scale data center environments with substantial routing and switching requirements. Its deep buffer architecture ensures consistent performance during traffic microbursts that are common in modern applications. The DCS-7280CR2A-30-F’s forwarding capabilities maintain deterministic performance even when multiple services are enabled simultaneously.
The DCS-7280CR2A-30-F offers specific advantages compared to other models in the Arista 7280R Series:
| Feature | DCS-7280CR2A-30-F | DCS-7280CR3-32P4 | DCS-7280CR2A-60 |
| Form Factor | 1RU | 1RU | 2RU |
| 100G Ports | 30 | 32 | 60 |
| 400G Ports | 0 | 4 | 0 |
| Switching Capacity | 3.0 Tbps | 6.4 Tbps | 6.0 Tbps |
| Buffer Memory | 32 MB | 64 MB | 32 MB |
| Typical Use Case | Mid-size DC | High-Performance DC | Large DC |
| Power Efficiency | Good | Better | Good |
| Date of Introduction | Earlier | Later | Same Generation |
The DCS-7280CR2A-30-F is positioned as a mid-range option within the 7280R series from Arista Networks. Compared to the higher-end DCS-7280CR3-32P4, the DCS-7280CR2A-30-F offers slightly fewer 100G ports and lacks 400G capability, but provides excellent value for environments that don’t require the absolute highest port density. For organizations needing higher port counts, the DCS-7280CR2A-60 offers twice the number of 100G ports in a 2RU form factor, making it suitable for larger deployments with more extensive connectivity requirements.
The Arista DCS-7280CR2A-30-F achieves cost-effectiveness through its optimized design that delivers exceptional performance per watt and per rack unit, reducing both capital expenditure and ongoing operational costs related to power and cooling. Its high port density with 30 100G interfaces maximizes connectivity within a compact 1RU form factor, providing excellent value when comparing the number of high-speed ports to the price of the switch. The DCS-7280CR2A-30-F’s robust feature set eliminates the need for additional specialized devices, reducing the total number of products required and simplifying the overall network architecture while making efficient use of data center resources.
The DCS-7280CR2A-30-F supports all standard networking protocols and integrates seamlessly with existing infrastructure through industry-standard implementations, regardless of whether you continue with current vendors or are making a transition to Arista Networks. Its comprehensive interoperability has been verified through rigorous testing and real-world deployments, ensuring compatibility with a wide range of third-party equipment commonly found in heterogeneous data center environments. The DCS-7280CR2A-30-F’s flexible configuration options and programmable interfaces simplify integration into existing operational workflows, allowing organizations to leverage their current management systems while gradually adopting more advanced automation capabilities.
The DCS-7280CR2A-30-F provides substantial capacity headroom with its 3.0 Tbps switching fabric, ensuring the platform can accommodate growing traffic demands as applications evolve. Its programmable architecture supports feature evolution through software updates, allowing new capabilities to be deployed throughout the product lifecycle without requiring hardware replacement in most cases. The DCS-7280CR2A-30-F’s deep buffer architecture and advanced traffic management capabilities ensure it can adapt to changing traffic patterns and application requirements, protecting your investment as your business needs continue to evolve over the platform’s service life.
The DCS-7280CR2A-30-F implements comprehensive reliability features including redundant, hot-swappable power supplies and cooling components that maintain operation during individual component failures, minimizing the risk of service interruptions. Its EOS operating system architecture separates control plane from data plane functions, ensuring that data forwarding continues even if a software process needs to restart, which substantially reduces the impact of any software-related issues. The DCS-7280CR2A-30-F supports advanced high-availability protocols including Multi-Chassis Link Aggregation (MLAG) that provide network-level redundancy, ensuring critical connections remain available even in the event of a complete switch failure or during maintenance activities.
Organizations should carefully evaluate their cooling architecture, as the DCS-7280CR2A-30-F features rear-to-front airflow which must align with the data center’s overall thermal design to ensure proper cooling and avoid hot spots. When planning the deployment, consideration should be given to the appropriate transceivers and cabling, as these items are typically ordered separately and their availability may affect the project timeline and budget. IT teams should invest in familiarization with Arista’s EOS operating system if they’re new to the platform, as while it offers significant advantages for automation and programmability, there may be a learning curve for staff accustomed to other vendors’ command syntaxes and management approaches.
At Network Republic, our end-user accounts are covered by a 1-Year Warranty on all hardware—whether New, New Open Box, New Pull, Refurbished, or Refurbished by Manufacturer —from the date of delivery. This warranty covers hardware defects under normal use and allows for repair, replacement, or in-house credit at our discretion.
For resellers and wholesale purchases, we offer a 30-Day Warranty limited strictly to functional issues or defects upon arrival, including dead-on-arrival (DOA) items; it does not apply to problems arising after prolonged use. Resellers are responsible for inspecting and testing products within the 30-day window. This warranty excludes accidental damage, misuse, cosmetic wear, third-party modifications, and software-related issues unrelated to hardware failure. Check out our full warranty policy here.
Software licenses are not covered under the standard return and warranty policies and need to be activated on the hardware within 7 days of receipt. Any issues need to be reported immediately, within 10 days, so we can issue an exchange. Under no circumstances will refunds be issued for software licenses.
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.

