The Dell 331-8149 is a 40G to 4x10G passive Twinax copper DAC breakout cable designed to convert a single QSFP+ 40Gbps connection into four SFP+ 10Gbps links. This direct-attached cable is ideal for high-density data center applications, providing efficient and reliable connectivity between switches, routers, and servers. Its passive design eliminates the need for additional transceivers, leading to reduced power consumption and operational costs. Typically effective for distances up to 5 meters, the 331-8149 ensures low-latency, high-speed data transfer, making it a versatile solution for environments requiring seamless and flexible connectivity for both 40G and 10G networks...