Hardware Datasheet · Networking
Arista
Arista 7280R3 (7280DR3-24) 24x400GbE Deep-Buffer Spine Switch
Lossless 400G spine with deep VOQ buffers for incast
Overview
The Arista 7280R3 (7280DR3-24) is a 1U fixed switch providing 24 wire-speed 400GbE QSFP-DD ports with deep dynamic buffering for lossless spine, IP storage, and data center interconnect roles. Every system is configured to the specified EOS release, tested across all ports, and delivered through authorized Arista distribution with full manufacturer warranty.
Specifications
| Switch Ports | 24 x 400GbE QSFP-DD (flexible to 100G/200G) |
| Throughput | 9.6 Tbps wire-speed |
| Architecture | Deep-buffer VOQ, Broadcom Jericho2-class silicon |
| Packet Buffer | Dynamic deep buffer (multi-GB) for lossless incast |
| Encryption | Optional wire-speed MACsec (R3M variants) |
| Form Factor | 1RU fixed, reversible airflow |
| Operating System | Arista EOS with CloudVision and streaming telemetry |
| Warranty | Arista limited hardware warranty via authorized channel |
Typical Use Cases
- ·Lossless 400G data center spine
- ·IP storage and data-analytics fabrics
- ·Data center interconnect and peering
- ·High-incast aggregation tiers
Industries
Warranty & Support
Supplied through authorized channels with full manufacturer warranty. On-site, next-business-day support options available. Every system is configured, tested, and documented before delivery, with asset and warranty records provided for enterprise audit requirements.
Request a tailored quote
Configurations are tailored per engagement — contact us for pricing and lead times.
sales@nexus-compute.com
+1 737 276 1016
nexus-compute.com
Specifications are indicative and configured to each engagement. All product names, logos, and trademarks are the property of their respective owners. Nexus Compute is an independent enterprise hardware supplier.