The 400G QSFP112 DAC cable assembly contains 8 high-speed copper pairs to support 4 signal channels with a data rate of up to 112Gb/s per channel. It offers low power consumption and low latency, making it an ideal choice for high-performance computing and storage applications. The 400G QSFP112 DAC offers reliable connectivity and is compliant with IEEE802.3ck and SFF-8636 MSA standards. It supports a commercial case temperature range of 0°C to 70°C and is compliant with CMIS 4.0 or later versions. AscentOptics could provide passive and active copper twinax cables. The 400G passive DAC cables can be up to 1.5 meters, and an active 400G QSFP112 DAC cables could reach up to 5 meters. It is a high-speed solution for short-range data center interconnects.