• Arista DCS-7020TRA-48-R gray switch with 48 RJ45 ports and 6 SFP+ rear view
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Arista

Arista DCS-7020TRA-48-R | 7020R 48-Port 100/1000 Switch, 6x SFP+, AlgoMatch, R2F

Arista DCS-7020TRA-48-R | 7020R 48-Port 100/1000 Switch, 6x SFP+, AlgoMatch, R2F

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DCS-7020TRA-48-R

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Description

The Arista DCS-7020TRA-48-R is a fixed-configuration 48-port data centre switch from the Arista 7020R Series, with 48 100/1000Mb RJ45 ports, 6 SFP+ ports running at 1G or 10G, AlgoMatch support and rear-to-front airflow. It uses a deep-buffer, virtual output queue (VoQ) architecture with wire-speed Layer 2 and Layer 3 forwarding, making it well suited to top-of-rack and aggregation roles where burst absorption matters.

AlgoMatch support distinguishes this model from the 7020TR-48, and the dual-mode SFP+ ports allow straightforward integration with existing 1G and 10G networks. The rear-to-front airflow configuration suits racks where the switch ports face the cold aisle side opposite the power supplies.

Features

- Data centre optimised deep-buffer design with VoQ architecture
- AlgoMatch support, which the 7020TR-48 lacks
- Dual-mode SFP+ ports allow integration with existing 1G and 10G networks
- Wire-speed L2 and L3 performance
- Rear-to-front airflow for cold-aisle port-side deployments

Warranty

Arista hardware products come with a 1-year limited hardware warranty, covering defects in materials and workmanship under normal use.
Extended Warranty Options:
IP Trading offers tailored extended warranty solutions and support packages for Arista products. Contact our team to explore options that align with your organisation's needs.
https://www.arista.com/assets/data/pdf/Warranty.pdf

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- 48 x 100/1000Mb RJ45 ports
- 6 x SFP+ ports (1G or 10G)
- Up to 216 Gbps switching throughput
- Up to 300Mpps forwarding
- Wire-speed L2 and L3 forwarding
- Packet buffer up to 3GB
- Virtual Output Queues (VoQ) per port
- AlgoMatch support
- Rear-to-front airflow
- Dual AC power supplies

FAQs

Q: How does the DCS-7020TRA-48-R differ from the 7020TR-48?
A: The 7020TRA-48 adds AlgoMatch support, which the 7020TR-48 does not offer. The port configuration of 48 RJ45 100/1000 ports and 6 SFP+ ports is otherwise the same.

Q: What speeds do the SFP+ ports support?
A: The 6 SFP+ ports are dual-mode and operate at either 1G or 10G, so they can connect to both existing 1G and newer 10G infrastructure.

Q: What does the -R suffix mean?
A: The -R suffix denotes the rear-to-front airflow configuration, suited to racks where air is drawn in at the rear and exhausted at the port side.

Q: Does this switch have a deep packet buffer?
A: Yes. It provides an ultra-deep packet buffer of up to 3GB with virtual output queues per port, helping absorb traffic bursts in data centre environments.

Q: What Layer 2 and Layer 3 performance can I expect?
A: The switch provides wire-speed Layer 2 and Layer 3 forwarding at up to 300Mpps.

Q: Can the RJ45 ports run at 10/100Mb?
A: The RJ45 ports are specified as 100/1000Mb, so they are intended for 100Mb and 1G connections.

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