• Gray metal cisco network switch with multiple ports and central panel in arista 7300x3 48-port 10gbase-t line card
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Arista

Arista DCS-7300X3-48TC4-LC | 7300X3 48-Port 10GBase-T Line Card, 4x 100G QSFP

DCS-7300X3-48TC4-LC

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Description

The Arista DCS-7300X3-48TC4-LC is a high-performance line card designed for 7300X3 Series modular switches, delivering 48 ports of 10GBase-T copper connectivity plus 4 ports of 100GbE QSFP uplinks. This wire-speed module supports Layer 2/3/4 switching with up to 6.4 Tbps throughput, making it ideal for spine-leaf architectures and high-density data center deployments. Compatible with Arista 7304, 7308, and 7316 chassis, it offers flexible east-west traffic scaling with low latency and comprehensive automation features.

Features

Wire-speed Layer 2, Layer 3, and Layer 4 switching performance
- Support for 1G, 10G, 25G, 40G, 50G, and 100G speeds via breakout cables
- Non-blocking architecture with dynamic load balancing across fabric modules
- Advanced buffer management with up to 32MB memory for burst absorption
- VXLAN support for network virtualization and overlay networks
- MLAG and ECMP for Layer 2 and Layer 3 multipathing
- Comprehensive QoS with traffic classification, shaping, and scheduling
- Advanced security features including ACLs, MACsec, AAA (RADIUS/TACACS+)
- Precision timing with IEEE 1588 PTP support
- CloudVision support for network-wide telemetry and automation
- Zero-Touch Provisioning and automated network deployment
- Smart System Upgrade for non-disruptive maintenance
- Flow-based dynamic load balancing to prevent hash polarization
- Hot-swappable module for continuous operations
- Optimized for east-west traffic patterns in leaf-spine topologies

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 RJ45 10GBase-T ports
- 4 x 100GbE QSFP28 ports
- Line card throughput: 6.4 Tbps
- Forwarding rate: Up to 4 billion packets per second
- Packet memory: Up to 32MB per line card
- Wire-speed Layer 2/3/4 performance
- Compatible with Arista 7304, 7308, and 7316 chassis
- Non-blocking architecture with full mesh fabric connectivity
- Power efficiency: Under 1.7W per 10Gb
- Hot-swappable line card module

FAQs

Q: Which chassis models are compatible with the DCS-7300X3-48TC4-LC?
A: This line card is compatible with Arista 7300X3 Series modular chassis including the 7304X3, 7308X3, and 7316X3 models. It requires a chassis equipped with 7300X3 fabric modules and a supervisor module.

Q: What is the maximum throughput of this line card?
A: The DCS-7300X3-48TC4-LC delivers 6.4 Tbps of wire-speed throughput with forwarding performance up to 4 billion packets per second, ensuring non-blocking performance across all 48 10GBase-T ports and 4 100GbE uplinks.

Q: Does this line card support Layer 3 routing protocols?
A: Yes, the module supports comprehensive Layer 2 and Layer 3 features including BGP, OSPF, VXLAN, MLAG, and ECMP routing protocols, making it suitable for both leaf and spine roles in modern data center architectures.

Q: Can this line card be used in mixed configurations with other 7300X3 line cards?
A: Absolutely. The Arista 7300 Series chassis can be populated with any combination of 7300X3 line cards, allowing flexible network designs mixing 10G, 25G, 40G, and 100G interfaces within the same chassis.

Q: What management features are supported on this line card?
A: The line card supports advanced management through Arista EOS including CloudVision integration, Zero-Touch Provisioning, REST API, OpenFlow, and comprehensive CLI/web-based management for simplified network operations.

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