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JTOPTICS 100G QSFP28 DAC is the QSFP28 to QSFP28 copper direct 100GBASE-CR4 cable, which is suitable for very short links and offer a cost-effective choice to establish a 100 gigabit link between two 100G QSFP28 ports of switches within racks and across adjacent racks. It is compliant with QSFP28 Multi-Source Agreement (MSA) standard SFF-8665, IEEE 802.3bj and InfiniBand HDR. 100G DAC cables are configured with 4 independent channels of NRZ signals, up to 25.78 Gbps data rate per channel. It is assembled with two QSFP28 electrical connectors and fixed cable lengths. 100G QSFP28 DAC cables provide power-efficient connectivity for short distance interconnections in the high-performance computing (HPC), data centers and storage networks.Hot-pluggable QSFP28 DAC cable assemblies4-channel full-duplex passive copper cableSFF-8665 compliant QSFP28 connectorsCompliant with QSFP28 MSA and IEEE 802.3SFF-8636 compliant I2C management interfaceIEEE 802.3bj 100GBASE-CR4 compliantData rate up to 100..