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Arista

Arista DCS-7808-CH | 7800R3 8-Slot Modular Data Center Chassis, 16RU

SKU:DCS-7808-CH

Stock Status: Enquire

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Description

The Arista DCS-7808-CH is an 8-slot modular chassis designed for high-performance data center spine and aggregation deployments. Part of the 7800R3 Series, this 16RU chassis supports up to 8 line cards, 2 supervisor modules, and 6 fabric modules, delivering scalable 100G to 400G connectivity with a total system throughput of up to 230 Tbps. The chassis offers flexible AC or DC power options and hot-swappable components for maximum availability in demanding cloud, enterprise, and service provider environments.

Features

Modular architecture supporting 8 line card slots for flexible port density and speed configurations
- Deep buffer Virtual Output Queue (VOQ) architecture eliminates head-of-line blocking
- Arista EOS operating system with advanced automation, telemetry, and network visibility
- FlexRoute engine for Internet-scale routing with millions of routes and fast convergence
- Support for VXLAN, EVPN, MPLS, Segment Routing, and layer 2/3 protocols
- MACsec and TunnelSec encryption support with compatible line cards
- Hot-swappable line cards, fabric modules, supervisors, fans, and power supplies
- Redundant supervisor modules with hitless failover for high availability
- Active-active fabric module operation with graceful degradation
- Advanced traffic scheduling with weighted fair queuing and priority schemes
- Algorithmic ACLs and accelerated sFlow for security and monitoring
- Front-to-rear or rear-to-front cooling options for data center optimization
- Comprehensive layer 2 switching, layer 3 routing, and multicast support
- Zero-touch provisioning and CloudVision management integration
- Low power consumption design with as low as 25W per 400G port efficiency

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

Form Factor: 16RU modular chassis
- Slot Configuration: 8 line card slots, 2 supervisor slots, 6 fabric module slots
- System Throughput: Up to 230 Tbps with full fabric configuration
- Port Density: Supports up to 288 x 400GbE or 384 x 100GbE ports (with appropriate line cards)
- Power Options: AC or DC power supply support with redundancy
- Fabric Bandwidth: 273.6 Tbps total (136.8 Tbps Tx + 136.8 Tbps Rx) with 6 fabric modules
- Power Supply Slots: 12 slots supporting 3kW power supplies
- Cooling: Front-to-rear or rear-to-front airflow with hot-swappable fan modules
- Management: Dual redundant supervisor modules with 64GB memory and SSD storage
- Operating Temperature: 0°C to 40°C
- Compliance: RoHS, CE, FCC, UL, CSA certified

FAQs

Q: What line cards are compatible with the DCS-7808-CH chassis?
A: The DCS-7808-CH supports all Arista 7800R3 and 7800R3A series line cards, including 100G, 400G, and encryption-capable modules. It can accommodate any combination of these line cards across its 8 slots, providing flexible density and feature options from 10G to 400G.

Q: Does the chassis ship with power supplies, fans, and supervisors included?
A: No, the DCS-7808-CH is a chassis-only SKU and does not include power supplies, fan modules, fabric modules, or supervisor modules. These components must be ordered separately or as part of a complete bundle SKU (such as DCS-7808R3-BND series).

Q: Can I mix AC and DC power supplies in the same chassis?
A: No, the DCS-7808-CH supports either AC or DC power configuration, but not both simultaneously. All power supplies within the chassis must be of the same type (either all AC or all DC) for proper operation and redundancy.

Q: What is the maximum power capacity of the DCS-7808-CH?
A: The DCS-7808-CH supports 12 power supply slots and can accommodate up to 12 x 3kW power supplies, providing significant power capacity for fully populated configurations with high-density line cards and fabric modules.

Q: Is the DCS-7808-CH suitable for spine switching in large data centers?
A: Yes, the DCS-7808-CH is specifically designed for high-performance data center spine applications. With support for up to 288 x 400GbE ports and 230 Tbps throughput, it provides exceptional scalability for leaf-spine architectures, cloud networks, and AI/ML workloads requiring low-latency, high-bandwidth connectivity.

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