• Arista dcs-7289-ch modular chassis network switch with sleek silver metal body and rows of green-lit ports
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Arista

Arista DCS-7289-CH | 7280R3A Modular Chassis, 1 Supervisor, 9 Module Slots

DCS-7289-CH

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Description

The Arista DCS-7289-CH is an empty 4RU modular chassis designed for the 7280R3A Series. It accommodates 1 supervisor slot and 9 I/O module slots, supporting up to 14.4 Tbps of switching capacity when fully populated with line cards and supervisor modules. This chassis provides the foundation for scalable 100G and 400G data center deployments with flexible interface configurations.

Features

Modular 4RU chassis for 7280R3A Series with 1 supervisor and 9 I/O module slots
- Supports up to 14.4 Tbps switching capacity and 5.4 Bpps forwarding rate
- Hot-swappable components including power supplies, fans, and I/O modules
- Field-replaceable switch card and supervisor module for easy upgrades
- Deep packet buffer architecture with 16GB buffers for lossless forwarding
- Flexible interface configurations: 25G SFP, 100G QSFP, 400G QSFP-DD/OSFP
- Compatible with 7289R3A, 7289R3AM (encryption), and 7289R3AK (large scale routing)
- Front-to-rear airflow design for standard data center cooling
- Redundant power and cooling for high availability deployments
- Optimized for cloud, service provider, and enterprise data center applications

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: 4RU rack-mountable modular chassis
- Slot Configuration: 1 supervisor slot, 9 I/O module slots
- System Capacity: Up to 14.4 Tbps with fully populated switch card
- Airflow: Front-to-rear (standard)
- Power Supply Slots: 4 hot-swappable PSU slots (PSUs sold separately)
- Fan Modules: 5 hot-swappable fan modules (included)
- Compatibility: Supports 7289R3A, 7289R3AM, and 7289R3AK switch cards
- Dimensions (H x W x D): 4RU (7 inches) x 17.5 inches x 30 inches (approx)
- Weight: Empty chassis approximately 60-80 lbs
- Management: Requires supervisor module and switch card (sold separately)

FAQs

Q: What components are required to make this chassis operational?
A: The DCS-7289-CH is an empty chassis. You'll need to purchase separately: a supervisor module, a 7289R3A switch card, I/O line cards for the 9 module slots, and power supplies (up to 4 for redundancy).

Q: What line cards are compatible with the DCS-7289-CH?
A: This chassis supports various 7280R3A I/O modules including 16-port 25G SFP, 16-port 100G QSFP, 4-port 400G QSFP-DD, and 4-port 400G OSFP line cards. All modules connect directly to the switch card without oversubscription.

Q: Can this chassis support both 100G and 400G interfaces simultaneously?
A: Yes, the 9 module slots allow for mixed configurations of different interface types including 25G, 100G, and 400G modules, providing up to 144 ports of 100G or 36 ports of 400G when fully populated.

Q: Is this chassis suitable for data center spine applications?
A: Absolutely. The 7280R3A modular platform is designed for high-performance spine and leaf deployments with deep packet buffers, lossless forwarding, large routing tables, and the capacity to handle demanding data center workloads.

Q: What power supply options are available?
A: The chassis supports up to 4 hot-swappable AC or DC power supplies (sold separately) providing redundancy and sufficient capacity for all line cards and modules. Common PSU models include PWR-2021-AC and PWR-2021-DC.

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