• Gray metal Arista DCS-7050DX4-32S-F network switch with 32 ports and small yellow label on top surface
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Arista

Arista DCS-7050DX4M-32S-F | 7050X4 32-Port 400G Switch, MACsec, 12.8Tbps

DCS-7050DX4M-32S-F

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Description

The Arista DCS-7050DX4M-32S-F is a 1RU high-performance data center switch offering 32 x 400G QSFP-DD ports with MACsec encryption on 16 ports, plus 2 x 10G SFP+ management ports. With wire-speed throughput of 12.8 Tbps bi-directional and ultra-low 900ns latency, this switch is engineered for demanding leaf-spine deployments in cloud, AI/ML, and high-frequency trading environments. Front-to-rear airflow, dual redundant AC power supplies, and flexible port breakout support from 10G to 400G deliver scalability and reliability for next-generation data centers.

Features

Layer 2 and Layer 3 wire-speed forwarding with flexible unified forwarding table (UFT)
- MACsec encryption on 16 ports for Layer 2 data-in-transit security
- VXLAN routing and bridging with EVPN control plane for overlay networking
- Multi-Chassis Link Aggregation (MLAG) for high availability and redundancy
- 128-way ECMP for load balancing across large-scale leaf-spine topologies
- Arista EOS with programmable pipeline and software-defined cloud networking (SDCN)
- LANZ (Latency Analyzer) for real-time congestion detection and latency visibility
- Zero-Touch Provisioning (ZTP) for automated deployment and configuration
- Advanced telemetry with sFlow, NetFlow, and DANZ monitoring capabilities
- Dynamic buffer allocation with 132 MB shared packet memory for burst absorption
- Hot-swappable dual redundant power supplies and N+1 fan redundancy
- Comprehensive routing protocols: BGP, OSPF, IS-IS, VRRP, PIM, IGMP
- Quality of Service (QoS) with flexible scheduling and traffic shaping
- IEEE 802.1Q VLAN, 802.1ad Q-in-Q, and 802.1X authentication support

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

32 x 400G QSFP-DD ports (ports 1-32), 2 x 10G SFP+ ports
- MACsec encryption supported on 16 ports (ports 1-8 and 25-32)
- Switching capacity: 12.8 Tbps (bi-directional)
- Latency: 900 nanoseconds (cut-through mode)
- Packet buffer: 132 MB shared, dynamically allocated
- Flexible port speeds: 400G, 200G, 100G, 50G, 40G, 25G, 10G per port
- Breakout support: up to 128 ports of 10/25GbE or 64 ports of 200GbE
- System memory: 8 GB DRAM
- Flash storage: 4 GB
- Form factor: 1RU rack-mountable
- Airflow: Front-to-rear (port side intake, fan side exhaust)
- Power supplies: Dual redundant hot-swappable AC (2 x 500W)
- Typical power consumption: 450-550W (depending on optics and configuration)
- Operating system: Arista EOS
- Management: CLI, SNMP, SSH-2, Zero-Touch Provisioning (ZTP)

FAQs

Q: What is MACsec and which ports support it?
A: MACsec provides Layer 2 encryption for data-in-transit security. On the DCS-7050DX4M-32S-F, MACsec is supported on 16 of the 32 QSFP-DD ports (ports 1-8 and 25-32), ideal for securing sensitive traffic in financial services, healthcare, and government networks.

Q: Can the 400G ports be broken out to lower speeds?
A: Yes, each 400G QSFP-DD port supports flexible breakout to 200G, 100G, 50G, 40G, 25G, or 10G speeds. You can configure up to 128 x 10/25GbE ports or 64 x 200GbE ports using breakout cables, providing significant deployment flexibility.

Q: What deployment scenarios is this switch best suited for?
A: The DCS-7050DX4M-32S-F is optimized for high-performance data center leaf and spine roles, including AI/ML workloads, cloud networking, high-frequency trading, and large-scale data analytics. Its ultra-low latency and MACsec support make it ideal for latency-sensitive and security-critical applications.

Q: What is the difference between the -F and -R models?
A: The suffix indicates airflow direction: -F models feature front-to-rear airflow (port side intake, fan side exhaust), while -R models offer rear-to-front airflow. Choose based on your data center hot aisle/cold aisle configuration for optimal thermal management.

Q: Does this switch support VXLAN and EVPN?
A: Yes, the DCS-7050DX4M-32S-F running Arista EOS fully supports VXLAN routing and bridging, EVPN control plane, MLAG, and advanced routing protocols (BGP, OSPF) for modern leaf-spine fabric architectures and network virtualization.

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