Hardware Datasheet · Networking
Arista
Arista 7800R4 (7808R4) Jericho3-AI 800GbE Modular AI Spine Switch
8-slot 800G modular spine purpose-built for large AI clusters
Overview
The Arista 7808R4 is an 8-slot modular AI spine built on Broadcom Jericho3-AI silicon, configured with redundant supervisors and fabric for the largest 800GbE GPU-cluster backbones. Each chassis is assembled to the specified line-card and EOS configuration, fully tested, and delivered through authorized Arista channels with manufacturer warranty.
Specifications
| Chassis | 7808R4, 8-slot modular, redundant supervisors and fabric |
| Line Cards | 36 x 800GbE per card; breakout to 25/50/100/200/400G |
| Port Density | Up to ~288 x 800GbE / ~576 x 400GbE per chassis |
| Silicon | Broadcom Jericho3-AI, AI-optimized packet pipeline |
| Architecture | Cell-based fabric, VOQ, distributed credit scheduling, deep buffer |
| Power Efficiency | As low as ~6W per 100Gbps |
| Cooling | Discrete cooling zones, front-to-rear airflow |
| Operating System | Arista EOS with CloudVision and streaming telemetry |
| Warranty | Arista limited hardware warranty via authorized channel |
Typical Use Cases
- ·800G lossless AI training spine
- ·Large-scale GPU cluster backbone
- ·Consolidated HPC spine tier
- ·High-radix cloud and AI-center core
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
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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.