• Stacked arista dcs-7050sx3-48yc8c-dc-f 48-port 25g switch with 8x 100g qsfp black ports in metallic gray chassis
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Arista

Arista DCS-7050SX3-48YC8C-DC-F | 7050X3 48-Port 25G Switch, 8x 100G QSFP, DC Power

DCS-7050SX3-48YC8C-DC-F

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Description

The Arista DCS-7050SX3-48YC8C-DC-F is a high-performance 1RU data center switch engineered for demanding leaf-spine architectures and cloud-scale environments. With 48 ports of 1/10/25G SFP28 and 8 ports of 40/100G QSFP100, this switch delivers 4 Tbps non-blocking throughput and ultra-low latency of 800 nanoseconds. The enhanced C-series model includes 16GB system memory and 32GB flash for advanced EOS features, large routing tables, and EVPN fabrics. Dual redundant hot-swappable DC power supplies ensure reliable uptime in telecom and mission-critical deployments.

Features

Layer 2 switching: VLANs (up to 4094), MLAG, Spanning Tree (STP/RSTP/MSTP), LACP, VxLAN
- Layer 3 routing: Static routes, OSPF, BGP, IS-IS, VRRP, PIM-SM, PIM-SSM, ECMP (128-way)
- EVPN support for multi-tenant data center fabrics with MAC mobility and distributed anycast gateway
- Network virtualization with VXLAN for scalable overlay networks
- Advanced QoS with 8 hardware queues per port, traffic shaping, and priority-based flow control
- Security: IEEE 802.1X, MACsec encryption, Control Plane Policing (CoPP), SSH, HTTPS
- Monitoring and telemetry: sFlow, LANZ (Latency Analyzer), advanced event monitoring, streaming telemetry
- Automation: Zero Touch Provisioning (ZTP), Arista CloudVision integration, Python/Bash scripting
- eAPI with JSON-RPC for programmable access via Ansible, Terraform, and custom automation tools
- Dual redundant hot-swappable DC power supplies for high availability
- Redundant hot-swappable fans with front-to-rear airflow
- Cut-through switching with 800 nanosecond latency for ultra-low jitter performance
- Dynamic shared buffer architecture with 32MB packet memory for burst absorption
- Hardware-accelerated NAT for flexible routing scenarios
- OpenConfig and gRPC support for model-driven network management

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 SFP28 ports (1G/10G/25G)
- 8x QSFP100 ports (40G/100G)
- Switching capacity: 4 Tbps
- Forwarding rate: Up to 1 billion packets per second
- Latency: 800 nanoseconds (cut-through mode)
- Packet buffer: 32 MB shared dynamically
- System memory: 16 GB DRAM
- Flash storage: 32 GB
- CPU: High-performance x86 processor
- Management: CLI, Web GUI, eAPI, SNMP, Zero Touch Provisioning
- Form factor: 1RU fixed-configuration
- Power: Dual redundant hot-swappable DC power supplies (1+1 redundancy)
- Airflow: Front-to-rear (F)
- Operating temperature: 0°C to 40°C
- Minimum EOS version: 4.30.4

FAQs

Q: What is the difference between the 48YC8C and standard 48YC8 models?
A: The 48YC8C features enhanced system resources with 16GB of DRAM and 32GB of flash storage compared to the standard 48YC8's 8GB DRAM. This provides greater headroom for large routing tables, complex EVPN fabrics, memory-intensive EOS features, and future software upgrades. All other hardware specifications including ports, throughput, and latency are identical.

Q: Can the SFP28 ports support 10G and 1G transceivers?
A: Yes, all 48 SFP28 ports support 1G, 10G, and 25G speeds, allowing flexible migration from legacy 10GbE infrastructure to modern 25GbE deployments. This ensures backward compatibility with existing optics and DAC cables while providing a path to higher-speed connectivity.

Q: What deployment scenarios is the DC-F model designed for?
A: The DC-F suffix indicates dual DC power supplies with front-to-rear airflow. This configuration is ideal for telecom central offices, enterprise data centers with DC power infrastructure, and environments requiring -48VDC power redundancy. The front-to-rear airflow matches hot-aisle/cold-aisle data center cooling designs.

Q: Does this switch support VXLAN and EVPN for network virtualization?
A: Yes, the DCS-7050SX3-48YC8C-DC-F fully supports VXLAN for Layer 2 overlay networks and EVPN for scalable multi-tenant segmentation. The enhanced 16GB memory is particularly beneficial for large-scale EVPN deployments with extensive MAC/IP tables and multiple VRFs.

Q: Is the switch compatible with third-party optics and cables?
A: Yes, Arista switches support a wide range of standards-based SFP28, QSFP100, and direct-attach copper (DAC) transceivers from multiple vendors. The switch is designed for multi-vendor interoperability, though Arista-branded optics ensure full compatibility and support.

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