There’s ANOTHER Version of USB... (USB 4.0 Explained)
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The video explains USB4, the newest USB revision that marks the first consumer-focused update since 2009. It emphasizes that USB4 is built on the Thunderbolt 3 specification, meaning it shares many features while remaining an open and royalty-free standard. Key highlights include USB4’s top speed of up to 40 Gbps, exclusive use of the USB-C connector, and the support for USB Power Delivery to power devices and peripherals such as laptops and external displays. The presentation also clarifies the relationship with Thunderbolt 3: while USB4 is open and cheaper to implement, devices may still ship with Thunderbolt 3 support if manufacturers choose to invest. A core capability of USB4 is intelligent bandwidth allocation, which allows a single USB4 link to simultaneously handle a monitor, an external drive, and data transfer without bottlenecking one another. The host notes that USB4 aims for better interoperability across generations and devices, but warns that full universality depends on how manufacturers implement optional features. Finally, the video looks ahead to 2020 as the earliest point when broader adoption might begin, and it ends with a lighthearted aside before inviting viewers to engage with the channel and its other tech content.
Topics · technology · computing · hardware · science · electronics
Questions answered
- What is the USB4 specification based on and what is its key relationship to Thunderbolt 3?
- USB4 is based on the Thunderbolt 3 specification, sharing many features, but it is an open, royalty-free standard that can be implemented by many manufacturers.
- What are the main capabilities of USB4 in terms of speed and connectors?
- USB4 supports speeds up to 40 gigabits per second and exclusively uses the USB-C connector, with compatibility for USB Power Delivery to power devices and peripherals.