Polybus's InfiniBand Double Data Rate (DDR) Link Layer Core provides enhanced speed capabilities with bidirectional data transfers up to 20Gbps, necessitating a high-performance 5 GHz SerDes. Compatible with Xilinx Virtex4FX, Virtex5, Kintex7, and Altera's Stratix2GX, it is optimized for higher throughput in data-intensive applications. Operating at 250 MHz, this core is designed for environments that demand higher speed transmission with minimal latency, providing a valuable solution for accelerated network and data processes. Its use across various FPGA platforms offers flexibility in specialized data networking and computing tasks.