• Silver and black arista dcs 7020r4m 48y 8qc-f server rack with green led indicators and red-handled fans on front panel
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Arista

Arista DCS-7020R4M-48Y-8QC-F | 7020R4 48-Port 25G Switch, 8x 100G QSFP, 4 Tbps

DCS-7020R4M-48Y-8QC-F

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Description

The Arista DCS-7020R4M-48Y-8QC-F is a high-density data centre switch router designed for spine, leaf, and aggregation deployments. Featuring 48 x 25GbE SFP28 ports and 8 x 100GbE QSFP ports, it delivers 4 Tbps switching capacity and 1 Bpps forwarding performance. With hardware-accelerated MACsec encryption, 32GB system memory, and front-to-rear airflow, this 1RU platform is ideal for hyperscale data centres, cloud fabrics, and secure enterprise core networks running Arista EOS.

Features

48 x 25GbE SFP28 ports for high-density server and leaf connectivity
- 8 x 100GbE QSFP ports for high-bandwidth spine or uplink connections
- Hardware-accelerated MACsec encryption for line-rate traffic security
- Virtual output queue (VoQ) architecture with deep packet buffering
- Full Layer 2 and Layer 3 switching and routing capabilities
- Comprehensive routing protocol support: BGP, OSPF, ISIS, PIM multicast
- EVPN/VXLAN overlay networking for software-defined data centre fabrics
- ECMP (Equal-Cost Multi-Path) load balancing
- Advanced QoS with traffic shaping and prioritization
- Arista CloudVision integration for streaming telemetry and centralised management
- Programmable via eAPI, OpenConfig, gNMI for DevOps and automation workflows
- Integrated packet capture, sFlow, and multi-port mirroring
- Zero Touch Provisioning (ZTP) for rapid deployment
- Front-to-rear airflow for hot-aisle/cold-aisle data centre cooling
- Dual redundant AC power supplies for high availability
- Low latency design (from 3.8µs) for demanding 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

48 x 25GbE SFP28 ports
- 8 x 100GbE QSFP ports
- Maximum throughput: 4 Tbps full-duplex
- Forwarding rate: 1 Bpps (1000 Mpps)
- Latency: from 3.8 microseconds
- System memory: 32GB RAM
- CPU: 4-core 8-thread x86 processor
- Hardware-enhanced encryption (TunnelSec / MACsec)
- Front-to-rear airflow (port-side intake)
- Dual redundant AC power supplies
- Form factor: 1RU fixed rack-mount
- Operating system: Arista EOS
- Management: CLI, web, SNMP, CloudVision, eAPI, OpenConfig

FAQs

Q: What deployment scenarios is the DCS-7020R4M-48Y-8QC-F suited for?
A: This switch is designed for data centre spine/leaf architectures, cloud aggregation, enterprise core networks, and secure data centre interconnect deployments that require high-density 25GbE connectivity with 100GbE uplinks and line-rate encryption.

Q: What does the 'M' and 'F' suffix indicate in the SKU?
A: The 'M' denotes enhanced hardware encryption support (TunnelSec / MACsec) for secure Layer 2 encryption at line rate. The 'F' designates front-to-rear airflow, which is the standard airflow direction for hot-aisle/cold-aisle data centre cooling deployments.

Q: Does this switch support EVPN and VXLAN for overlay networking?
A: Yes. Running Arista EOS, the 7020R4 fully supports EVPN/VXLAN overlay networking, making it well-suited for building software-defined data centre fabrics, multi-tenant environments, and modern network virtualization architectures.

Q: Can the DCS-7020R4M-48Y-8QC-F be managed with Arista CloudVision?
A: Yes. The switch integrates natively with Arista CloudVision for centralised provisioning, streaming telemetry, automated change management, and network-wide visibility, supporting both on-premises and cloud-based workflows for large-scale data centre automation.

Q: What Layer 2 and Layer 3 features does the 7020R4 support?
A: The 7020R4 supports comprehensive Layer 2 and Layer 3 switching and routing, including BGP, OSPF, ISIS, EVPN, VXLAN, PIM multicast, ECMP load balancing, advanced QoS, VPN support, and robust security features suitable for modern data centre and enterprise environments.

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