• Silver-colored arista dcs-7020r4-48y-8qc-r server rack with green led indicators and red fan covers back side view
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Arista

Arista DCS-7020R4-48Y-8QC-R | 7020R4 48-Port 25G Switch, 8x 100G QSFP+, 2 Tbps

DCS-7020R4-48Y-8QC-R

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Description

The Arista DCS-7020R4-48Y-8QC-R is a high-density data center switch router designed for spine, leaf, and aggregation deployments. With 48x 25GbE SFP28 ports and 8x 100GbE QSFP uplinks, it delivers 2 Tbps switching capacity with 4GB deep buffer architecture and Virtual Output Queueing for lossless forwarding. Rear-to-front airflow and dual redundant AC power supplies ensure reliable operation in hot-aisle/cold-aisle environments. Running Arista EOS, it supports advanced L2/L3 routing, EVPN/VXLAN, BGP, OSPF, ISIS, and precision timing features.

Features

2 Tbps non-blocking switching capacity with wire-speed performance
- 4GB dynamic deep buffer with Virtual Output Queueing (VOQ) to eliminate head-of-line blocking
- Supports 48x multi-rate ports (1G/10G/25G SFP28) and 8x 100GbE QSFP uplinks
- Advanced Layer 2/Layer 3 switching with MLAG, ECMP, EVPN/VXLAN, and BGP peering
- FlexRoute engine for internet routing scale with over 2.5M routes
- Precision timing with IEEE 1588 PTP and Synchronous Ethernet (SyncE)
- Accelerated sFlow and Inband Network Telemetry (INT) for real-time monitoring and forensics
- MPLS and Segment Routing support for service provider and DCI deployments
- Arista EOS with in-service software updates and self-healing resiliency
- Comprehensive QoS, security, and policy-based forwarding capabilities
- Rear-to-front airflow for standard hot-aisle/cold-aisle rack deployments
- Dual redundant hot-swappable AC power supplies and fans
- CloudVision integration for network-wide orchestration and automation

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

48x 25GbE SFP28 ports (support 1G/10G/25G)
- 8x 100GbE QSFP ports
- Switching capacity: 2 Tbps
- Packet buffer: 4GB dynamic deep buffer with VOQ
- 16GB system RAM
- CPU: AMD Ryzen Embedded V1500B
- Forwarding architecture: Non-blocking with Virtual Output Queueing
- Rear-to-front airflow (port-side exhaust)
- Dual redundant AC power supplies
- Management: Arista EOS, CLI, eAPI, SNMP, OpenConfig, CloudVision
- Routing protocols: BGP, OSPF, ISIS, EVPN, VXLAN, PIM, ECMP
- Form factor: 1U fixed rack-mount
- Precision timing: IEEE 1588 PTP, Synchronous Ethernet (SyncE)

FAQs

Q: What is the difference between the DCS-7020R4-48Y-8QC-R and the -F model?
A: The -R suffix indicates rear-to-front airflow (port-side exhaust), which is ideal for hot-aisle/cold-aisle data center deployments. The -F model has front-to-rear airflow. Both models share identical port configuration and performance specifications.

Q: What routing and switching protocols does this switch support?
A: Running Arista EOS, the 7020R4 supports a comprehensive suite including BGP, OSPF, ISIS, EVPN, VXLAN, PIM multicast, ECMP, MPLS, Segment Routing, and advanced QoS. It is well-suited for spine, leaf, and aggregation roles in modern data center fabrics.

Q: Does this model support MACsec or hardware encryption?
A: No. The DCS-7020R4-48Y-8QC-R does not include enhanced encryption. For hardware-accelerated MACsec and TunnelSec encryption support, consider the DCS-7020R4M-48Y-8QC-R variant (with the 'M' designation).

Q: Can the switch be managed with Arista CloudVision?
A: Yes. The 7020R4 runs Arista EOS and integrates natively with Arista CloudVision for centralized provisioning, streaming telemetry, change management, and network-wide visibility across large-scale data center deployments.

Q: What is the power supply configuration?
A: The DCS-7020R4-48Y-8QC-R ships with two redundant AC power supplies in a 1+1 configuration, ensuring continuous operation in the event of a single PSU failure.

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