• Stacked arista dcs-7050sx3-48yc8c-f 25g switch with metallic gray chassis and rows of black ports
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Arista

Arista DCS-7050SX3-48YC8C-F | 7050X3 48-Port 25G Switch, 8x 100G QSFP100, 4 Tbps

DCS-7050SX3-48YC8C-F

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Description

The Arista DCS-7050SX3-48YC8C-F is a high-performance 1RU data center switch optimized for leaf and spine deployments in cloud-scale and enterprise environments. Featuring 48 ports of 25G SFP28 plus 8 ports of 100G QSFP100 with 4 Tbps switching capacity, it delivers ultra-low 800 nanosecond latency and wire-speed Layer 2/3 forwarding. The 48YC8C variant includes enhanced 16GB DRAM and 32GB flash for advanced EOS features and future-proof network automation.

Features

Wire-speed Layer 2 and Layer 3 forwarding with no oversubscription
- Advanced routing protocols: OSPFv2/v3, BGP4+, IS-IS, RIP, VRRP
- VXLAN gateway and routing for network virtualization
- EVPN (Ethernet VPN) for scalable multi-tenant segmentation
- Up to 128-way Equal-Cost Multi-Path (ECMP) routing
- MPLS and VPLS support for service provider environments
- Comprehensive QoS with 8 hardware queues and advanced scheduling
- Rich Layer 2 features including VLANs, MLAG, Spanning Tree (RSTP/MSTP)
- Advanced security: ACLs, MACsec, 802.1X, RADIUS, TACACS+
- Zero Touch Provisioning (ZTP) for automated deployment
- LANZ (Latency Analyzer) for microburst detection and real-time congestion visibility
- DANZ advanced mirroring and tap aggregation for network visibility
- sFlow and streaming telemetry for analytics integration
- CloudVision support for centralized management and orchestration
- Full Linux shell access with Python, Bash, C++, Go for custom automation
- Stateful Fault Repair (SFR) and hitless upgrades
- OpenConfig, gRPC, and model-driven management 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

48x 25G SFP28 ports supporting 1G/10G/25G speeds
- 8x 100G QSFP100 ports supporting 40G/100G speeds
- Switching Capacity: 4 Tbps non-blocking
- Forwarding Rate: 1.42 billion packets per second (Bpps)
- Latency: 800 nanoseconds (cut-through mode)
- Packet Buffer: 32MB fully shared intelligent buffer
- Memory: 16GB DRAM (enhanced for 48YC8C variant)
- Flash Storage: 32GB (enhanced for 48YC8C variant)
- CPU: High-performance x86 processor
- Form Factor: 1RU (1.75in H x 19in W x 16in D)
- Weight: Approximately 20 lbs (9.1 kg)
- Power Supply: Dual redundant hot-swappable AC/DC PSUs, 500W rated at 94% efficiency
- Airflow: Front-to-rear (-F designation)
- Operating Temperature: 0°C to 40°C (32°F to 104°F)
- Operating Humidity: 5% to 95% non-condensing
- Management: Arista EOS with CLI, eAPI, JSON-RPC, REST, SNMP, CloudVision

FAQs

Q: What is the difference between the 7050SX3-48YC8 and 48YC8C models?
A: The 48YC8C variant features enhanced compute resources with 16GB DRAM (vs 8GB) and 32GB flash (vs standard storage), enabling memory-intensive EOS features, multiple image storage, and advanced telemetry. It requires minimum EOS 4.30.4 for access to current Arista releases and the full feature roadmap.

Q: Can the SFP28 ports run at lower speeds like 10G or 1G?
A: Yes, all 48 SFP28 ports support 1G, 10G, and 25G speeds in any combination, allowing flexible connectivity with legacy 10G infrastructure while providing a migration path to native 25G server connections.

Q: What uplink options are supported on the QSFP100 ports?
A: Each of the 8 QSFP100 ports supports 100GbE, 40GbE, 4x25GbE breakout, 4x10GbE breakout, or 2x50GbE modes. This flexibility enables diverse leaf-spine topologies with SR4/LR4/ER4 optics or DAC/AOC cables.

Q: Is this switch suitable for leaf or spine roles in a data center?
A: The DCS-7050SX3-48YC8C-F is primarily designed as a high-performance leaf switch for 25G server access with 100G uplinks to spine. It can also serve in fixed spine configurations for smaller deployments, supporting advanced routing, VXLAN, EVPN, and up to 128-way ECMP.

Q: What licensing is required for the 7050SX3-48YC8C-F?
A: The switch runs Arista EOS and may require optional licenses such as FLX-Lite for full routing features (up to 256K routes, EVPN, VXLAN, SR, base MPLS LSR) and Monitoring & Automation license for Zero Touch Provisioning, LANZ, TapAgg, API, Time-stamping, and OpenFlow capabilities.

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