REFURBISHED
Arista
Arista DCS-7280QR-C36-R Refurbished 36-Port 40GbE Switch
MPN: DCS-7280QR-C36-R
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Lifetime
Warranty
ISO 9001
Certified Testing
R2v3
Responsible Refurb
25+
Years
5K+
Customers
ISO
Certified
✓
Tested
Every WhaleyComm unit is professionally tested, reset to factory defaults, and certified by our in-house engineers — the same standard trusted by 5,000+ organisations across 25 years. Not a refurb marketplace. A certified lifecycle partner.
Carrier-class 40GbE density, professionally tested, backed by 25 years of enterprise trust.
This refurbished Arista DCS-7280QR-C36 (MPN: DCS-7280QR-C36-R) is a high-performance, carrier-class data center switch delivering 36 ports of 40GbE QSFP+ connectivity in a compact 2RU chassis. Every unit is professionally tested, fully inspected, and reset to factory defaults before shipment, ensuring reliable, ready-to-deploy performance from the first power-on.Built around Arista's Extensible Operating System (EOS), the 7280QR-C36 delivers up to 2.88 Tbps of switching capacity with ultra-low latency, making it purpose-built for spine, leaf, and aggregation roles in modern cloud, enterprise, and hyperscale architectures. The platform supports 40G and 4x10G breakout configurations across all QSFP+ ports, alongside a full suite of advanced networking capabilities including VXLAN, EVPN, MLAG, QoS, and comprehensive L2/L3 routing protocols. Redundant, hot-swappable power supplies and fan modules ensure continuous uptime and simplified maintenance.
Purchasing refurbished Arista hardware through WhaleyComm delivers the same enterprise-grade performance as new at a fraction of the cost. With ISO 9001, R2v3, and e-Stewards certifications and more than 25 years serving 5,000+ enterprise customers, WhaleyComm is the trusted source for proven data center infrastructure.
Technical Specifications
Brand
Arista
MPN
DCS-7280QR-C36-R
Condition
Refurbished
Total Ports
36
Port Type
QSFP+
Port Speed
40GbE
Switching Capacity
2.88 Tbps
Operating System
Arista EOS (Extensible Operating System)
Form Factor
Fixed chassis
Power Supplies
Dual, redundant, hot-swappable
Fan Modules
Hot-swappable
Airflow
Rear-to-Front (R suffix)
Ideal Use Cases
Leaf-Spine Fabric Deployment
The 36-port 40GbE density makes this switch an ideal spine or leaf node in scalable leaf-spine architectures, supporting high-bandwidth east-west traffic across large data center fabrics.
Cloud and Hyperscale Environments
With 2.88 Tbps switching capacity and ultra-low latency, this platform meets the throughput and performance demands of cloud-scale workloads and hyperscale deployments.
High-Performance Computing (HPC)
Ultra-low latency switching supports latency-sensitive HPC and parallel computing workloads where microseconds matter.
Virtualization and SDN Infrastructure
Native VXLAN, EVPN, and open API support within EOS enable seamless integration with virtualized environments and software-defined networking controllers.
Data Center Aggregation Layer
The high port density and redundant power and fan architecture make this switch a reliable aggregation layer device for consolidating traffic from multiple access-layer switches.
Network Refresh or Capacity Expansion
Organizations looking to expand 40GbE capacity or refresh aging infrastructure can deploy this refurbished unit at a significant cost reduction compared to new hardware, with no compromise in performance.
What's Included
Arista DCS-7280QR-C36 switch
Installed dual power supplies
Installed fan modules
Rack-mount kit
Power cord
Console cable
Certificate of Testing
Lifetime Warranty — No Time Limits. No Questions.
Every WhaleyComm unit ships with a Lifetime Warranty. If it fails under normal operating conditions at any point, we replace it. We have stood behind our hardware for 25 years and 5,000+ customers — that is not a marketing line, it is our operating standard.
Compatibility Details
Review supported optics, cables, software, management protocols, and environment-specific compatibility guidance.
COMPATIBLE PLATFORMS
✓
Fan modules and power supplies compatible with the 7280QR platform are interchangeable within the series.
COMPATIBLE OPTICS & CABLES
✓
The Arista DCS-7280QR-C36 is part of the 7280R Series and is compatible with Arista-supported QSFP+ optical transceivers, DAC cables, and breakout cables for 40G and 4x10G connectivity.
SOFTWARE COMPATIBILITY
✓
The switch runs Arista EOS, which supports integration with a broad ecosystem of network management platforms and SDN controllers.
For compatibility verification specific to your environment, contact our engineering team: +1 214 607-4800 or sales@whaleycomm.com
Shipping & Returns
Clear fulfilment, tracking, return, warranty, and support information for enterprise hardware orders.
Shipping
Orders typically ship within 1-2 business days after payment confirmation. Tracking details are shared once the order has been dispatched.
Returns
Eligible products can be returned according to WhaleyComm's return policy. For DOA, warranty, or product-related issues, contact the support team for replacement or resolution.
Frequently Asked Questions
Product-specific answers about compatibility, testing, warranty, fulfilment, and purchase confidence.
Yes. All 36 QSFP+ ports support 40G native operation as well as 4x10G breakout mode, allowing flexible connectivity to 10GbE servers or switches using appropriate breakout cables or modules.
The DCS-7280QR-C36-R uses rear-to-front airflow. If your rack requires front-to-rear airflow, the DCS-7280QR-C36-F variant is the appropriate choice. WhaleyComm can help confirm the right unit for your environment.
Arista EOS is included with the hardware platform. Certain advanced feature licenses or subscription services may be required depending on your specific deployment requirements. Contact our engineering team at +1 214 607-4800 or sales@whaleycomm.com to discuss your configuration.
Yes. Every WhaleyComm unit ships with a Lifetime Warranty. If it fails under normal operating conditions at any point, we replace it at no cost — no time limits, no questions asked.
Every unit goes through our ISO 9001-certified testing process: full power-on diagnostics, port-by-port functionality testing, firmware verification, factory reset, and final inspection. A Certificate of Testing ships with every unit.
Arista DCS-7280QR-C36-R Refurbished 36-Port 40GbE Switch
$1,950.00
Arista
Arista DCS-7280QR-C36-R Refurbished 36-Port 40GbE Switch
MPN: DCS-7280QR-C36-R
$1,950.00
In Stock — Ships Same Day
