The A9K-2T20GE-E is a high‑performance line card expansion module designed for Cisco ASR 9000 Series routers, offering a versatile mix of 10GbE XFP and GE SFP ports to meet demanding network environments. Its advanced high‑queue architecture delivers exceptional throughput and low latency, ensuring reliable connectivity for mission‑critical applications such as cloud services, edge computing, and carrier‑grade traffic. The module’s modular design allows seamless integration and future‑proofing, while its robust power and thermal management maintain optimal operation under heavy load. Ideal for service providers and large enterprises, this expansion card enhances scalability, flexibility, and overall network resilience.