The Gigalight GQS-PC400-02C is a direct attach copper cable designed for short-reach interconnects where low power consumption is essential. It utilizes QSFP+ 38-pin high density connectors to provide an aggregated data rate of 40Gb/s, with each of its four lanes operating at 10Gb/s. This black cable measures 2 meters in length and operates reliably within a temperature range of 0 °C to 70 °C using a 3.3 V power supply. To ensure broad compatibility across networking hardware, it complies with IEEE 802.3ba, SFF-8436, InfiniBand, QSFP+ MSA, and RoHS standards, making it a dependable choice for technicians setting up high-speed links in data centers or server racks.