The 200G QSFP-DD DAC cable contains 16 high-speed copper pairs, each operating at data rates of up to 25Gb/s of NRZ signals. It is compliant with QSFP28 MSA and supports the SFF-8636 compliant I2C management interface. BlueOptics offers a wide selection of Direct Attach Cables (DAC) and Active Optical Cables (AOC) in 200G, 400G, and 800G. All products stand for high quality and reliability and are designed for modern networks with high-performance computing applications. It is widely used in high-speed data centers, and HPC. JTOPTICS QSFP56 passive copper cable. OSFP 800G transceivers are compliant to the OSFP MSA, IEEE 802.