• Arista dcs-7812-ch silver rack-mounted network switch chassis with 12 linecard slots and ventilation slots in 23ru size
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Arista

Arista DCS-7812-CH | 7800R3 Modular Chassis, 12 Linecard Slots, 23RU

DCS-7812-CH

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Description

The Arista DCS-7812-CH is a high-capacity modular data center chassis designed for scalable enterprise and data center deployments. This 23-rack-unit chassis supports 2 supervisor slots, 12 line card slots, and 6 fabric module slots, delivering up to 345 Tbps throughput and 72 billion packets per second. Offers flexible AC or DC power options with 18 power supply slots and up to 54kW power budget, supporting a maximum density of 1728 ports at 100GbE or 432 ports at 400GbE when fully populated.

Features

Modular architecture with hot-swappable supervisors, line cards, fabric modules, and power supplies
- Support for multi-speed interfaces: 10GbE, 25GbE, 40GbE, 50GbE, 100GbE, 200GbE, 400GbE, and 800GbE (R4)
- Graceful fabric degradation for continued operation with partial fabric failures
- Compatible with Arista EOS network operating system
- Advanced Layer 2 and Layer 3 routing capabilities
- Support for VXLAN overlay networks and network virtualization
- Multi-chassis link aggregation (MLAG) for active-active topologies
- Equal Cost Multi-Path (ECMP) routing at Layer 3
- Comprehensive monitoring and visibility features for congestion tracking
- Distributed virtual output queue architecture for lossless fabric operation
- Industry-standard optics support for single-mode and multi-mode fiber
- AC and DC power supply options with N+N redundancy support
- Four-post rack mounting with extended rack kit included
- Front-to-rear and rear-to-front airflow options

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: 23RU modular chassis
- Supervisor Slots: 2
- Linecard Slots: 12
- Fabric Module Slots: 6
- Power Supply Slots: 18 (max power budget 54kW)
- Maximum Throughput: Up to 345 Tbps / 72 Bpps (chassis fully populated)
- Maximum Port Density: Up to 3456x 50GbE, 1728x 100GbE, or 432x 400GbE
- Dimensions (HxWxD): 39.9 x 17.4 x 37 inches (101.3 x 44.1 x 94 cm)
- Weight (Chassis Only): 355 lbs (161 kg)
- Weight (Full System): Up to 1082 lbs (490 kg)
- Power Options: AC or DC
- Airflow: Up to 2358 cfm typical
- Compatible with 7800R3 and 7800R4 line cards and fabric modules

FAQs

Q: What components are included with the DCS-7812-CH chassis?
A: The DCS-7812-CH is a chassis-only SKU. Supervisors, line cards, fabric modules, and power supplies must be ordered separately. Complete bundle SKUs with these components are also available.

Q: What is the difference between 7800R3 and 7800R4 support?
A: The DCS-7812 chassis supports both R3 and R4 generations. R4 configurations use updated fabric modules and line cards for higher port speeds (up to 800GbE) and increased throughput. Existing R3 systems can be upgraded to R4 specifications.

Q: How many line cards can this chassis support?
A: The DCS-7812-CH provides 12 line card slots. The actual port density and performance depend on which line card models are installed, ranging from 100GbE to 800GbE per port with R4 line cards.

Q: What are the power supply requirements?
A: The chassis has 18 power supply slots with a maximum power budget of 54kW. Both AC and DC power supply options are available. Redundant configurations are supported for high availability deployments.

Q: Is this chassis suitable for data center spine applications?
A: Yes, the DCS-7812-CH is designed for high-density spine and core data center deployments, supporting up to 345 Tbps throughput with R3 configurations or 690 Tbps full-duplex with R4 upgrades.

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