• Stacked arista dcs-7050sx3-48c8c-r 10g switch with metallic gray chassis and rows of black ports visible from front
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Arista

Arista DCS-7050SX3-48C8C-R | 7050X3 48-Port 10G Switch, 8x 100G QSFP100

DCS-7050SX3-48C8C-R

Stock Status: Enquire

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Description

The Arista DCS-7050SX3-48C8C-R is a high-performance 1RU data center switch with 48x 10GbE SFP+ ports and 8x 100GbE QSFP100 uplinks, delivering 2.56 Tbps throughput. Designed for leaf and spine deployments, it features enhanced 16GB RAM and 32GB flash storage for large-scale EVPN fabrics and advanced routing tables. With 800ns latency, non-blocking architecture, and rear-to-front airflow, it excels in enterprise and carrier-grade networks requiring ultra-low latency and flexible 10G/1G server connectivity.

Features

Wire-speed Layer 2 and Layer 3 forwarding with ultra-low 800ns latency
- Non-blocking architecture with 2.56 Tbps throughput and no oversubscription
- Flexible port speeds: 48x SFP+ ports configurable for 1G/10G, 8x QSFP100 ports for 40G/100G or breakout to 4x10G/4x25G
- Enhanced hardware: 16GB system DRAM and 32GB flash for large routing tables and advanced features
- VXLAN gateway and routing for overlay network deployments
- EVPN support for modern control plane and multi-tenant fabrics
- 128-way ECMP for load balancing and high-path diversity in leaf-spine architectures
- MLAG (Multi-Chassis Link Aggregation) for dual-homed server redundancy and active-active uplinks
- 32MB fully shared dynamic packet buffer for superior burst absorption
- Arista EOS: single binary modular OS with stateful fault repair (SFR) and smart system upgrade (SSU)
- CloudVision integration for centralized monitoring, automation, and telemetry
- Zero Touch Provisioning (ZTP) for rapid deployment
- LANZ (Latency Analyzer) for microburst detection and congestion monitoring
- Advanced mirroring (DANZ) and sFlow for network visibility
- 1+1 redundant hot-swappable AC power supplies and N+1 hot-swappable fans
- Rear-to-front airflow for optimized data center cooling (pairs with front-to-rear servers)
- Full access to Linux shell and extensibility via bash, Python, C++, Go, OpenConfig

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

Port Configuration: 48x 10GbE SFP+ ports (1G/10G speeds), 8x 100GbE QSFP100 ports (40G/100G or breakout)
- Switching Capacity: 2.56 Tbps full-duplex, non-blocking
- Forwarding Rate: Up to 1 billion packets per second (1 Bpps)
- Latency: 800 nanoseconds (cut-through mode)
- Memory: Quad-Core x86 CPU, 16GB system DRAM, 32GB flash storage
- Packet Buffer: 32MB fully shared dynamic buffer
- Airflow: Rear-to-front (back-to-front) cooling
- Power Supplies: 2x hot-swappable redundant AC PSUs (PWR-511-AC-BLUE)
- Form Factor: 1RU rackmount, 19 x 1.75 x 18.4 inches (48.3 x 4.4 x 46.8 cm), 21 lbs (9.45 kg)
- Management: CLI, web GUI, SNMP, CloudVision, Zero Touch Provisioning (ZTP), 1x Gigabit Ethernet management port, 1x RS-232 console (RJ-45), USB port
- Layer 2 Features: VLAN, STP/RSTP/MSTP, LACP, MLAG (Multi-Chassis LAG), LLDP
- Layer 3 Features: IPv4/IPv6 routing, BGP, OSPF, IS-IS, PIM, VXLAN, EVPN, 128-way ECMP
- Operating Temperature: 0°C to 40°C (32°F to 104°F)
- Power Consumption: Typically under 400W

FAQs

Q: What is the difference between the DCS-7050SX3-48C8C-R and the DCS-7050SX3-48C8-R?
A: The 48C8C model features upgraded system resources: 16GB RAM and 32GB flash storage, compared to 8GB RAM and 8GB flash on the base 48C8 model. This enhanced memory supports larger routing tables, more complex EVPN deployments, and advanced EOS feature sets, making it ideal for large-scale data center fabrics.

Q: Can the SFP+ ports support 25GbE optics?
A: No, the DCS-7050SX3-48C8C-R uses SFP+ ports that support 1GbE and 10GbE speeds only. For 25GbE support, consider the 7050SX3-48YC8 or 7050SX3-48YC8C models which feature SFP28 ports.

Q: What deployment scenarios is this switch best suited for?
A: This switch is optimized for data center leaf or spine roles, high-density 10GbE server connectivity, storage networks, and enterprise campus cores. Its non-blocking architecture, low latency, and flexible uplink options make it ideal for virtualized environments, big data applications, and legacy 1G/10G migrations.

Q: Does this switch support VXLAN and EVPN for overlay networks?
A: Yes, the DCS-7050SX3-48C8C-R fully supports VXLAN overlay networking and EVPN control plane functionality, enabling multi-tenant segmentation, large Layer 2 domains, and modern spine-leaf fabric architectures. The enhanced 16GB RAM is particularly beneficial for large-scale EVPN deployments.

Q: What license is required for advanced features?
A: Advanced routing and EVPN features require the FLX-Lite license for Arista Fixed switches Group 2, which enables up to 256K routes, EVPN, VXLAN, SR, and base MPLS LSR. The Monitoring & Automation license includes ZTP, LANZ, TapAgg, API, Time-stamping, and OpenFlow capabilities.

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