USB extenders allow users to connect devices to computers over longer distances, but their performance in terms of speed, power delivery, and feature support varies based on the type of extender used. These extenders can be passive cables, active repeaters, or use CAT or fiber-based technology. While they generally work, they may not deliver the same speed, power, or functionality as a direct USB connection. When used properly and within their specified limits, they are typically safe, especially for high-bandwidth devices like 4K webcams, external solid-state drives, or USB-C docks. Passive extension cables simply add length to a USB connection, which is suitable for shorter distances. However, signal quality can degrade with longer cables. USB 2.0 is generally reliable up to about 16 feet (5 meters), while USB 3.x passive cables are typically limited to around 10 feet (3 meters). For longer runs, active extenders that use electronics to boost the signal are often required to maintain speed and performance. Active extenders can provide longer cable runs while preserving data speeds. For example, StarTech offers a 33-foot active USB 3.2 Gen 1 cable capable of 5 Gbps speeds, which can be daisy-chained for up to 66 feet. Another option is Icron's Raven 3104, which can deliver 5 Gbps speeds over distances up to 328 feet using CAT 6a or CAT 7 cables. These types of extenders are particularly useful for devices that require high bandwidth or multiple features, such as external storage drives, virtual reality headsets, webcams, and docking stations. Power delivery through USB is separate from data transfer and depends on the compatibility of the source, device, and cable. USB Power Delivery can support up to 240W, but all components must support that level. USB-IF requires certified USB-C cables to indicate their power and data capabilities. For example, Anker offers a 10-foot USB-C cable that supports 240W charging but only transfers data at 480 Mbps. In contrast, Icron’s 328-foot extender supports 5 Gbps data transfer but only provides 6W per remote USB port. Passive USB-C male-to-female extension cables require careful selection, as not all generic options are certified. USB-IF maintains a compliance list for specific types of cables and adapters, but generic male-to-female Type-C extensions are not included. This does not mean all USB extenders are illegal, but users seeking USB4 support, display outputs, or high-power charging must ensure compatibility beyond just connector fit. If the issue is a charger not reaching an outlet, using a properly rated AC extension cord may be a better, temporary solution than extending the USB connection itself.