Description
Arista QDD-400G-PLR4-S Overview
The QDD-400G-PLR4-S is a high-performance 400G QSFP-DD optical transceiver module engineered by Arista Networks for demanding data center environments. Designed to provide reliable long-range connectivity, the QDD-400G-PLR4-S utilizes advanced silicon photonics to facilitate high-speed data transmission over single-mode fiber infrastructure. This module is an ideal choice for network engineers seeking to expand their bandwidth capacity while maintaining the robust compatibility standards synonymous with Arista hardware. By opting for this pre-owned unit, users can achieve significant cost savings without compromising on the high-density performance required for modern spine-leaf network architectures.
Arista QDD-400G-PLR4-S Technical Details
This transceiver operates at a 400Gbps data rate and features a compact form factor that ensures optimal airflow and thermal management within high-density switch ports. The QDD-400G-PLR4-S supports the 400GBASE-LR4 standard, enabling connectivity over distances of up to 10 kilometers to support inter-rack and campus-wide links. Each unit undergoes rigorous testing to ensure that the internal laser components and electrical interfaces meet original factory specifications for signal integrity and latency. When integrating this hardware into your existing infrastructure, you benefit from a proven, power-efficient solution that simplifies the transition to next-generation networking speeds.