Arista DCS-7280CR3AK-72-FLX-F | 7280R3A 72-Port 100G Switch, 2RU, FLX, Front-to-Back

SKU:DCS-7280CR3AK-72-FLX-F

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Description

The 7280R3A series is Arista's dynamic deep-buffer platform for data centre leaf, spine and routing roles, and this 2RU fixed-configuration switch brings 72 x 100GbE ports in a single chassis. It suits data centre deployments that need high 100G density together with deep packet buffers.

This SKU is the K variant with 72 x 100G ports, FLX licensing and front-to-back airflow. The chassis measures 48.3 x 8.8 x 68.7 cm, weighs 22.4 kg and occupies two rack units. It runs Arista EOS and is powered by PWR-1511-AC (200 to 240 VAC, 9.6 A, 50/60 Hz) or PWR-1511-DC (-48 to -60 VDC, 39.5 A) supplies, so it can be deployed in either AC or DC power environments.

The operating range is 0 to 40 C at altitudes up to 3,000 m and 5 to 90% non-condensing humidity. 100G QSFP-class optics and cables are used in the ports.

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

Features

- Part of the Arista 7280R3A series deep-buffer platform
- Designed for data centre leaf, spine and routing roles
- Runs Arista EOS
- 72 x 100GbE ports in a 2RU chassis
- Supports AC or DC power supply options
- Front-to-back airflow for hot-aisle and cold-aisle layouts

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 100GbE
- Form factor: 2RU fixed configuration
- Airflow: Front-to-back
- Dimensions (W x H x D): 48.3 x 8.8 x 68.7 cm (19 x 3.50 x 27.0 in)
- Weight: 22.4 kg (49.4 lbs)
- Operating temperature: 0 to 40 C (32 to 104 F)
- Storage temperature: -25 to 70 C (-13 to 158 F)
- Operating altitude: 0 to 3,000 m (0 to 10,000 ft)
- Relative humidity: 5 to 90% (non-condensing)
- Supported power supplies: PWR-1511-AC, PWR-1511-DC
- PWR-1511-AC input: 200 to 240 VAC, 9.6 A, 50/60 Hz
- PWR-1511-DC input: -48 to -60 VDC, 39.5 A

FAQs

Q: Which power supplies does it use?
A: It supports the PWR-1511-AC (200 to 240 VAC, 9.6 A, 50/60 Hz) and PWR-1511-DC (-48 to -60 VDC, 39.5 A) power supplies.

Q: What does the F in the SKU mean?
A: The F indicates front-to-back airflow, which suits standard hot-aisle and cold-aisle rack layouts.

Q: What operating system does it run?
A: It runs Arista EOS.

Q: What rack space does it need?
A: It is a 2RU fixed-configuration switch, 48.3 cm wide and 68.7 cm deep.

Q: What type of optics does it use?
A: The 100G ports use QSFP-class optics and cables. Check Arista's transceiver matrix for the specific modules you plan to deploy.