Arista DCS-7280QR-C72-R | 7280R 72-Port 40G/100G QSFP Switch, Rear-to-Front, 2x AC

SKU:DCS-7280QR-C72-R

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Description

The Arista 7280R series 7280QR is a 2RU fixed-configuration deep-buffer data centre switch router, suited to leaf, spine and edge roles in high-performance leaf/spine fabrics, cloud and service-provider data centres. It runs Arista EOS and is managed with Arista CloudVision.

This unit provides 72 QSFP ports, made up of 56 x 40GbE QSFP+ and 16 ports that run 100GbE QSFP100, with 6.4 Tbps of L2/L3 throughput and 2.88 Bpps forwarding. Ports can be broken out for up to 32 x 50GbE, 64 x 25GbE or 160 x 10GbE connections. Latency starts from 3.8 us and the virtual output queue architecture provides a 16 GB total system buffer. This SKU is the rear-to-front airflow variant with 2 x hot-swappable AC power supplies and 2 x C19-C20 power cords, with a typical power draw of 725 W.

QSFP+ ports accept 40G optics and DACs, and QSFP100 ports accept 100G optics. SFP+ and SFP25 optics and cables are also supported through adapters.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Deep packet buffering with virtual output queue (VoQ) architecture to avoid head-of-line blocking
- Flexible 10/25/40/50/100G port combinations through breakout
- Runs Arista EOS, a single binary image shared across Arista products
- Advanced Event Management suite: CLI Scheduler, Event Manager and Event Monitor
- Smart System Upgrade, Zero Touch Provisioning and CloudVision support
- VXLAN support and LANZ latency analysis
- ACL scalability of up to 24K entries per forwarding engine
- Self-healing software with Stateful Fault Repair

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

- Ports: 72 x QSFP (56 x QSFP+ and 16 x QSFP100)
- Maximum 100GbE ports: 16
- Maximum 50GbE ports: 32
- Maximum 40GbE ports: 72
- Maximum 25GbE ports: 64
- Maximum 10GbE ports: 160
- Throughput: 6.4 Tbps
- Packet forwarding: 2.88 Bpps
- Latency: from 3.8 us
- Total system buffer: 16 GB
- CPU: multi-core x86
- System memory: 8 GB (16 GB optional)
- Typical power draw: 725 W
- Rack units: 2 RU
- Airflow: rear-to-front
- Power supplies: 2 x AC, 1+1 hot-swappable, with 2 x C19-C20 cords
- Fans: 4 hot-swappable, N+1 redundancy

FAQs

Q: What airflow direction does this model use?
A: This SKU is the rear-to-front airflow variant, identified by the -R suffix. Check that it matches your rack's hot and cold aisle layout before ordering.

Q: How is this switch powered?
A: It has two hot-swappable AC power supplies in 1+1 redundancy, with 2 x C19-C20 power cords. Typical power draw is 725 W.

Q: Which port speeds and optics does it support?
A: The 56 QSFP+ ports take 40G optics and DACs, and the 16 QSFP100 ports take 100G optics. Ports break out to 4x10G, 4x25G or 2x50G, and SFP+ and SFP25 modules are supported through adapters.

Q: Can it be managed with CloudVision?
A: Yes. It runs Arista EOS and supports CloudVision, Zero Touch Provisioning and Smart System Upgrade.

Q: What maximum port densities can I get?
A: Up to 16 x 100GbE, 32 x 50GbE, 72 x 40GbE, 64 x 25GbE or 160 x 10GbE using breakout.