REFURBISHED
Arista
Arista DCS-7280CR3K-32D4-F Refurbished 32x100G 4x400G Spine Switch
MPN: DCS‑7280CR3K‑32D4‑F
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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.
Enterprise-grade deep-buffer spine performance. Professionally tested. Backed by 25+ years of enterprise trust.
This refurbished Arista DCS-7280CR3K-32D4-F is a 32-port 100G QSFP28 and 4-port 400G QSFP-DD universal spine switch router, part of the Arista 7280R3 Series. Every unit is professionally tested, reset to factory defaults, and inspected through WhaleyComm's ISO 9001-certified process before shipment — delivering enterprise-ready reliability at a significant cost advantage over new.The DCS-7280CR3K-32D4-F delivers up to 4.8 Tbps of switching throughput and 2 Bpps forwarding capacity, backed by ultra-deep packet buffers of up to 16GB — making it purpose-built for congestion-sensitive workloads such as AI/ML cluster interconnects, storage fabrics, data center interconnect, and carrier edge routing. Flexible breakout support across 10G, 25G, 50G, 100G, and 400G speeds enables seamless integration into existing and evolving network architectures. Front-to-back airflow (-F suffix) aligns with standard hot-aisle/cold-aisle data center designs, while 1+1 redundant power supplies and N+1 hot-swappable fans ensure continuous availability. Arista EOS powers the platform with advanced L2/L3 feature depth including EVPN, VXLAN, MPLS, Segment Routing, SR-MPLS, SR-TE, PTP, SyncE, and full CloudVision integration.
WhaleyComm has served 5,000+ enterprise customers across 25+ years as a trusted source for certified refurbished network infrastructure. Choosing a refurbished DCS-7280CR3K-32D4-F delivers the same Arista EOS feature set and deep-buffer performance as a new unit — at a fraction of the capital cost — with WhaleyComm's Lifetime Warranty standing behind every shipment.
Technical Specifications
Brand
Arista
Model
DCS-7280CR3K-32D4-F
Series
7280R3
Product Type
Universal Spine Switch Router
Condition
Refurbished
100G Ports
32 x 100G QSFP28
400G Ports
4 x 400G QSFP-DD
Switching Throughput
Up to 4.8 Tbps
Forwarding Rate
Up to 2 Bpps
Packet Buffer
Up to 16GB
Airflow
Front-to-Back (F)
Power Supply
1+1 Redundant, Hot-Swappable
Fans
N+1 Hot-Swappable
Breakout Support
10G, 25G, 50G, 100G, 400G
Forwarding
Wire-Speed L2/L3
Operating System
Arista EOS
Routing Protocols
OSPF, IS-IS, BGP, MPLS, Segment Routing, SR-MPLS, SR-TE
Overlay Protocols
EVPN, VXLAN
Timing
PTP, SyncE
Management
CloudVision, eAPI, NETCONF, JSON-RPC, ZTP, Streaming Telemetry, sFlow, LANZ
Ideal Use Cases
Universal Spine Layer
The 4.8 Tbps throughput and ultra-deep 16GB buffers make this switch an ideal spine node in large-scale leaf-spine IP fabrics, absorbing burst traffic without packet loss across high-density compute clusters.
AI and Machine Learning Cluster Networking
Deep-buffer architecture is critical in GPU cluster environments where bursty, all-to-all traffic patterns demand lossless forwarding. The DCS-7280CR3K-32D4-F is purpose-built for exactly these congestion profiles.
Data Center Interconnect (DCI)
With EVPN, VXLAN, and MPLS support at wire speed, this platform enables seamless Layer 2 and Layer 3 extension across geographically distributed data centers.
Carrier and Service Provider Edge
Full support for Segment Routing, SR-MPLS, SR-TE, PTP, and SyncE positions this switch as a capable carrier-edge router for service providers requiring precise timing and traffic engineering.
High-Density Storage Fabric
Ultra-deep buffers and lossless forwarding characteristics protect storage traffic integrity in NVMe-oF, iSCSI, and similar latency-sensitive storage networking environments.
Enterprise Core and Aggregation
Flexible breakout from 400G down to 10G allows enterprises to right-size connections across mixed-generation infrastructure, extending the investment lifecycle while consolidating core switching into a single high-performance platform.
What's Included
Arista DCS-7280CR3K-32D4-F Switch
Hot-Swappable Fans
Dual Redundant Power Supplies
Rack Mount Kit
Power Cords
Console Cable
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 OPTICS & CABLES
✓
It interoperates with standard QSFP28 and QSFP-DD optics and cables across multi-vendor environments.
SOFTWARE COMPATIBILITY
✓
The DCS-7280CR3K-32D4-F runs Arista EOS and is compatible with the full Arista CloudVision management platform.
SUPPORTED PROTOCOLS & STANDARDS
✓
Protocol-level interoperability includes BGP, OSPF, IS-IS, MPLS, EVPN, VXLAN, and Segment Routing with other standards-compliant network devices.
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.
The switch supports flexible breakout across 10G, 25G, 50G, 100G, and 400G speeds on both the QSFP28 and QSFP-DD ports. This allows a single platform to serve mixed-generation environments and scale as port-speed requirements evolve.
Yes. The DCS-7280CR3K-32D4-F runs Arista EOS and supports full CloudVision integration alongside eAPI, NETCONF, JSON-RPC, Zero Touch Provisioning, and streaming telemetry. It fits directly into existing Arista-managed network automation workflows.
AI and ML cluster traffic is characterized by large, synchronized bursts across many flows simultaneously. The up to 16GB of ultra-deep packet buffering on this platform absorbs those bursts without dropping packets, preserving application performance where shallow-buffer switches would fail.
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-7280CR3K-32D4-F Refurbished 32x100G 4x400G Spine Switch
$48,450.00
Arista
Arista DCS-7280CR3K-32D4-F Refurbished 32x100G 4x400G Spine Switch
MPN: DCS‑7280CR3K‑32D4‑F
$48,450.00
In Stock — Ships Same Day
