The USB 3.2 Gen 2 specification is similar to the USB 3.2 Gen 1, only that it doubles the speed of USB 3.2 Gen 1. USB 3.2 Gen 2x2 (20Gbps) The USB 3.2 Gen 2x2 specification allows for up to two lanes of 10Gbps, achieving the maximum throughput of 20 Gbps. A 3.2 Gen 2x2 device needs to be connected in order to achieve the maximum 20 Gbps speed. As a result, you wouldn’t have been able to power the Pi 4 with an emarked cable through a Type-C charger – you’d need a non-emarked cable or perhaps a USB-A to USB-C cable with a USB-A However, there are still some proven ways to find out if a USB cable is charge-only or supports data transfer. 1. Physical examination. Due to the number of wires in them, USB data cables are usually thicker than USB charging cables. Data cables have four wires and as such, have thicker outer insulation/lining than their charge-only USB-C describes the connector itself, the rounded rectangle or oval shape with 24 pins on the inside. One of the best features of USB-C over its predecessors is that the plug is reversible, Many new phones and mobile devices are already shipping with USB Type C, plus the EU has moved to adopt the Type C connector as the charging standard for all mobile devices by the end of 2024 and laptops by 2026. The promised convenience of utilizing a single, off-the-shelf cable type for many different products is extremely enticing to an end Thunderbolt 3, 4, or 5 ports USB-C Thunderbolt 3, 4, or 5 connector. Thunderbolt 3 is a hardware interface developed by Intel. It shares USB-C connectors with USB, supports USB 3.1 Gen 2, and can require special "active" cables for maximum performance for cable lengths over 0.5 meters (1.5 feet). Compared to Thunderbolt 2, it doubles the USB-A cables have been around for ages and offered support for a long list of USB standards (USB 1.1 through USB 3.2), and the data transfer speeds for these standards started at 12 Mbps and Role classification and definition of USB Type-C; What certifications are required for USB cables? USB-C Power Delivery--What makes a USB-C cable fast charging? How is a USB-C to USB-C cable connected? What is USB PD3.0 (Power Delivery 3.0)? What are the differences between USB PD3.1 and USB PD2.0 PD3.0? Is 1Gbps equal to 1000Mbps or 1024Mbps? USB-Type A Charger. A USB-A charger is one of the old phone charger types. It's most generally used with computers or power outlets. You can attach the USB-A side to the USB plug of a laptop when charging. Remember that USB-A wires will just go one way into the port. You can normally know which way up they must be by the USB symbol that can be So if you need a USB-C cable, don’t grab any cheap wire, like the $5 ones you’ll see at a gas station kiosk. Invest in a durable cable from a reputable company. Many USB-C cables lack VJok5.