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Arista

Arista DCS-7816L-CH | 7800R3 16-Slot Modular Data Center Chassis

SKU:DCS-7816L-CH

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Description

The Arista DCS-7816L-CH is a high-density 16-slot modular chassis designed for large-scale data center deployments requiring up to 460Tbps of system throughput. The chassis supports 2 supervisor slots, 16 line card slots, and 6 fabric module slots, with support for both AC and DC power options. Ideal for spine and aggregation layers in next-generation cloud and enterprise data centers, it provides hot-swappable components and redundant architecture for continuous operation.

Features

16-slot modular architecture supporting up to 576 ports of 400G or 800G with appropriate line cards
- Virtual Output Queue (VOQ) deep buffer architecture eliminates packet loss under congestion
- Supports Arista EOS for comprehensive Layer 2/3 switching, routing, and EVPN capabilities
- Hot-swappable supervisors, line cards, fabric modules, and power supplies for zero-downtime maintenance
- FlexRoute engine supports internet-scale routing with millions of routes and low power draw
- Compatible with 7800R3, 7800R3A, and 7800R4 series line cards for investment protection
- Advanced QoS with flexible rewrite, ingress policing, hierarchical QoS, and shaping
- Supports MPLS, Segment Routing, ECMP, MLAG, EVPN-VXLAN, and EVPN-MPLS for scalable designs
- TunnelSec strong encryption support with MACsec, IPsec, and VXLANsec (with compatible line cards)
- Comprehensive telemetry and monitoring with sFlow, NetFlow, and in-band network telemetry
- Redundant AC or DC power supply options for mission-critical deployments
- Front-to-rear airflow for efficient cooling in data center environments

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: 16-slot modular chassis (32RU)
- Slot Configuration: 2 supervisor slots, 16 line card slots, 6 fabric module slots
- System Throughput: Up to 460Tbps (depending on line cards installed)
- Power Options: AC or DC (power supplies sold separately)
- Chassis Weight: 219 kg (480 lbs) empty
- Architecture: Virtual Output Queue (VOQ) with 100% efficiency, eliminates head-of-line blocking
- Hot-Swappable Components: All modules, power supplies, and fabric modules
- Redundancy: Dual supervisor support for high availability
- Dimensions (WxHxD): Extended rack depth design
- Management: EOS operating system (supports CLI, SNMP, REST API, NetDB)

FAQs

Q: Does the DCS-7816L-CH chassis include power supplies or line cards?
A: No, the DCS-7816L-CH is a chassis-only SKU and does not include power supplies, supervisors, fabric modules, or line cards. These components must be ordered separately based on your deployment requirements.

Q: What line cards are compatible with the 7816L chassis?
A: The 7816L chassis supports both 7800R3 and 7800R3A series line cards, including 36-port 400G OSFP and QSFP-DD options, as well as 48-port 100G line cards. It also supports 7800R4 series line cards for 800G deployments with compatible fabric modules.

Q: Can this chassis be used for data center interconnect deployments?
A: Yes, the 7816L is designed for large-scale data center spine, aggregation, and data center interconnect (DCI) applications. It supports MPLS, Segment Routing, EVPN-VXLAN, and TunnelSec encryption for secure WAN and DCI connectivity.

Q: What is the difference between the 7816L and the standard 7816 chassis?
A: The 7816L offers extended depth and enhanced thermal capacity for high-density 400G and 800G deployments. Both support 16 line cards, but the 7816L is optimized for higher power and cooling requirements of next-generation line cards.

Q: Does this chassis support FlexRoute for internet-scale routing?
A: Yes, when equipped with compatible 7800R3A or 7800R4 line cards and supervisors, the 7816L supports FlexRoute for internet-scale routing tables, low power consumption, and fast convergence with millions of routes.

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