• Stacked arista dcs-7050sx3-48c8c-dc-r network switches with metallic gray chassis and black ports rear view
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Arista

Arista DCS-7050SX3-48C8C-DC-R | 7050X3 48-Port 10G Switch, 8x 100G QSFP, Rear-to-Front, DC

DCS-7050SX3-48C8C-DC-R

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Description

The Arista DCS-7050SX3-48C8C-DC-R is a high-performance 1RU data center switch offering 48 ports of 10GbE SFP+ and 8 ports of 100GbE QSFP100 with 2.56 Tbps throughput and no oversubscription. Designed for demanding leaf-spine deployments, it features rear-to-front airflow, dual redundant DC power supplies, and wire-speed Layer 2 and Layer 3 forwarding with ultra-low latency. Powered by Arista EOS, the switch delivers advanced automation, programmability, and deep visibility for modern cloud and virtualized data center environments.

Features

Wire-speed Layer 2 and Layer 3 forwarding with no oversubscription
- Unified Forwarding Table (UFT) for flexible resource allocation across MAC, IPv4, IPv6, and multicast entries
- Support for up to 288,000 MAC addresses and 128,000 routes (expandable with ALPM to 384,000 IPv4 routes)
- Advanced buffer management with dynamic allocation and support for lossless traffic classes
- Ultra-low latency of 800 nanoseconds for latency-sensitive applications
- Cut-through forwarding between identical and mixed port speeds
- Comprehensive VLAN support with 4,096 VLAN IDs
- Full Layer 3 routing protocols including OSPF, BGP, IS-IS, and static routing
- Advanced security features including ACLs, port security, and 802.1X authentication
- VXLAN hardware offload for network virtualization and overlay networking
- Hardware-accelerated Network Address Translation (NAT)
- CloudVision integration for centralized network management and telemetry
- Zero Touch Provisioning (ZTP) for automated deployment
- LANZ (Latency Analyzer) for microburst detection and congestion visibility
- DANZ advanced mirroring and sFlow for enhanced network visibility
- Arista EOS with open APIs (eAPI, OpenConfig, EOS SDK) and native Linux access
- Stateful Fault Repair (SFR) for seamless hitless upgrades
- Traffic-aware ECMP and UCMP for optimized load balancing
- Hot-swappable power supplies and fans for redundancy and serviceability
- Front-accessible USB port for configuration, firmware updates, and auto-recovery

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 10GbE SFP+ ports supporting 10G/1G speeds
- 8 x 100GbE QSFP100 ports supporting 100G/40G speeds
- Switching capacity: 2.56 Tbps (non-blocking)
- Forwarding rate: up to 1 billion packets per second
- Latency: 800 nanoseconds
- Packet buffer: 32 MB with dynamic buffer allocation
- System memory: 16 GB DRAM
- Flash storage: 32 GB
- Processor: Quad-core x86 CPU
- Power supplies: Dual redundant hot-swappable DC power supplies
- Airflow: Rear-to-front (back-to-front)
- Form factor: 1RU rackmount
- Dimensions: 19 x 1.75 x 18.4 inches (48.3 x 4.4 x 46.8 cm)
- Weight: 21 lbs (9.45 kg)
- Management: 1 x management port, 1 x RS-232 serial console (RJ-45)
- Operating temperature: 0°C to 40°C (32°F to 104°F)
- Operating system: Arista EOS

FAQs

Q: What is the difference between the 7050SX3-48C8 and 7050SX3-48C8C models?
A: The 7050SX3-48C8C variant features enhanced system memory (16 GB vs 8 GB) and flash storage (32 GB) compared to the base 48C8 model, providing improved performance for advanced routing and automation workloads. Both models share the same port configuration and throughput capacity.

Q: Can this switch support both leaf and spine deployment roles?
A: Yes, the DCS-7050SX3-48C8C-DC-R is designed for flexible deployment as either a top-of-rack leaf switch or fixed-configuration spine. Its 48 x 10GbE ports serve server connectivity while the 8 x 100GbE uplinks provide high-speed fabric interconnection with no oversubscription.

Q: What power supply options are available for this model?
A: The DC-R designation indicates this model comes with dual redundant DC power supplies with rear-to-front airflow. AC power variants are available under different SKUs (such as -F and -R suffix models), and all power supplies are hot-swappable for maximum uptime.

Q: Does this switch require a separate license for advanced features?
A: The 7050X3 Series runs Arista EOS, which includes comprehensive Layer 2 and Layer 3 features in the base license. Optional licenses are available for advanced capabilities such as full routing tables (FLX-Lite for up to 256K routes), EVPN, VXLAN, and enhanced monitoring and automation features.

Q: What transceivers and cables are compatible with this switch?
A: The SFP+ ports support standard 1G/10G SFP+ optical and DAC transceivers. The QSFP100 ports support 40G and 100G QSFP modules, including breakout configurations for 4x10G or 4x25G connectivity. Arista provides a comprehensive transceiver compatibility list and recommends using Arista-certified optics for optimal performance.

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