Arista DCS-7808R3 7800R3 Series 8-Slot Modular Switch Chassis
Brand: Arista Networks · SKU: DCS-7808R3 · MPN: DCS-7808R3 · Category: Networking
The Arista 7800R3 Series is a high-performance modular universal spine switch designed for large-scale cloud, enterprise, and service provider data centers. The DCS-7808R3 features an 8-slot chassis architecture providing a non-blocking system capacity of up to 460 Tbps and a forwarding rate of 180 Bpps. Built on the 3rd generation R-Series architecture, it supports a wide variety of 100G and 400G line cards with deep buffer Virtual Output Queue (VOQ) technology to eliminate head-of-line blocking and ensure loss-less forwarding. It integrates seamlessly with Arista EOS for advanced automation, telemetry, and network virtualization features like EVPN-VXLAN and Segment Routing. The chassis is designed for high availability with redundant supervisor modules, fabric modules, power supplies, and cooling, supporting continuous operations in mission-critical environments.
Specifications
| Airflow | Front-to-Rear |
|---|---|
| Latency | 3.5 to 3.8 microseconds |
| Packet Buffer | Up to 24GB per line card |
| Max 100G Ports | 384 (with 48-port 100G line cards) |
| Max 400G Ports | 288 (with 36-port 400G line cards) |
| Forwarding Rate | Up to 180 Bpps |
| Line Card Slots | 8 Slots |
| Operating System | Arista EOS |
| Supervisor Slots | 2 Slots |
| Switching Capacity | Up to 460 Tbps |
| Fabric Module Slots | 6 Slots |
| Warranty | 1-Year Limited Hardware Warranty |
| Weight | 165 lbs (75 kg) empty chassis |
| Dimensions | 27.64" x 17.3" x 31.6" (702 x 441 x 803 mm) - 16RU |
Key Features
The Arista 7808R3 is a flagship 16RU modular switch chassis that sets a new standard for performance, scale, and power efficiency. Ideal for AI/ML clusters, high-frequency trading, and massive cloud data centers, it offers investment protection through compatibility with a wide range of R3 series line cards. Its deep buffer architecture is specifically tuned for heavy traffic loads and congestion management.
Frequently Asked Questions
Is this product genuine OEM?
Yes, this Arista DCS-7808R3 7800R3 Series 8-Slot Modular Switch Chassis (DCS-7808R3) is 100% genuine Arista Networks hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
What warranty is included?
This Arista DCS-7808R3 7800R3 Series 8-Slot Modular Switch Chassis includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
How long does shipping take?
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Can I return this product?
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Is the Arista DCS-7808R3 7800R3 Series 8-Slot Modular Switch Chassis compatible with my system?
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the DCS-7808R3.
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