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  A   DAC (Direct Attach Copper) cable   is a type of high-speed, short-range cable assembly commonly used in data centers and networking environments to connect networking devices, such as switches, servers, and storage systems. It combines a copper cable with integrated transceivers at both ends. These cables are often used as an alternative to optical fiber cables for short-distance connections (typically up to 7 meters), offering several advantages in specific applications. Key Features of DAC Cables: Cost-effective :  DAC cables  are usually cheaper than optical fiber cables because they don't require separate transceivers, which are expensive. Lower power consumption : Since DAC cables use copper and don't need the electrical-to-optical conversion process, they consume less power than optical solutions. Short-range connections : Typically used for short distances (0.5 to 7 meters), making them ideal for intra-rack or inter-rack connections in data centers....

  Direct Attach Copper cables  also called by DAC cables are commonly used in data centers and enterprise networks for high-speed(from 10G,25G,40G,100G,200G,400G and 800G now), short-range connections(0.5M,1M,2M,3M,5M,7M). Their simplicity and cost-effectiveness make them popular in environments that require high bandwidth, low latency, and reliable connectivity without the need for long-distance transmission. Here are the most common use cases for DAC cables: 1. Intra-Rack and Inter-Rack Connections Intra-Rack Connections : DAC cables are frequently used to connect devices such as servers, switches, and storage systems within the same rack. Since DAC cables are designed for short distances (up to 10 meters), they are ideal for high-speed connectivity between closely located devices. Inter-Rack Connections : DAC cables are also used for connecting devices between adjacent racks. Their relatively low cost and high data rates make them effective for interconnects within a data c...