Thunderbolt4 USB4 Cable USB-C Cable, 40Gbps USB4 Thunderbolt 4 Cable 8K Video and 100W Charging
The USB standard is ubiquitous throughout the tech world. After all, “USB” is an acronym for “Universal Serial Bus.” The standard has seen its fair share of updates over the 23 years since its introduction, each of which brought higher speeds, new features, and new connection types.
For a bit of history, the USB standard was introduced in 1996 as a way to standardize peripheral connections under one specification. USB 1.0, the first USB specification, used the familiar Type-A connection on the host and offered transfer speeds up to 12 Mbps. USB 2.0 was introduced in 2001 and was much faster, operating at up to 480 Mbps. USB 2.0 also incorporated new form factors, including the Micro B port (commonly seen on older phones and external hard drives). USB 3.0 brought another speed bump in 2011, offering up to 5 Gbps transfer speeds. USB 3.0 saw a few iterations, primarily USB 3.1 in 2014 (up to 10 Gbps) and USB 3.2 in 2017 (up to 20 Gbps). 3.0 speeds were supported on multiple connector types including the standard A connector, B, and, micro-B, now ubiquitous Type-C connection.
The next update to the USB standard is now here. After officially being announced by the USB Promoter Group on March 4, 2019, USB4 cables and devices are now available. But what is USB4? In this article, we will discuss what the new specification brings and highlight its advantages over the current USB 3.2 standard.

USB4 Cable Streams Video and Downloads Data at 40 Gbps, 8x Faster Than USB 3.0
This USB4 40Gbps cable (M/M) transmits across two bidirectional lanes, supporting speeds up to 40 Gbps, which is eight times faster than USB 3.0. Unlike previous USB generations, the USB4 40Gbps cable has the ability to allocate resources. Instead of splitting video and data equally between its two lanes, the U520-31N allows the connected display as much bandwidth as it needs, while saving all remaining bandwidth for high-speed data transfers. This makes the cable perfectly suited for 4K or 8K video streaming and editing, as well as transferring large RAW video or CAD files.
Supports DisplayPort Alternate Mode for Unidirectional 80 Gbps Video Connections
By connecting a 4K or 8K display to a host device that supports DisplayPort Alt Mode 1.4, this cable can use both high-speed lanes to transmit 4K or even 8K video at 60 Hz in one direction at 80 Gbps maximum speed. The U520-31N supports a single 8K display or dual 4K displays at 60 Hz.
Backward Compatible with Legacy USB and Thunderbolt 3 Devices
Though both connected devices must support USB4 40Gbps for the cable to reach its full potential, the U520-31N is backward compatible with USB 3.x, USB 2.0 and Thunderbolt 3 devices. It connects two USB-C devices, including MacBooks, Chromebooks, Windows laptops, smartphones, external hard drives, tablets, docking stations and wall chargers. It is compatible with all USB-C and Thunderbolt 3 devices, enabling use in existing installations while preparing for future upgrades.
PD Charging Cable Keeps the Connected Notebook, Tablet or Other Device at Capacity
The U520-31N supports Power Delivery (PD) 3.0 charging of the connected PD Charging-compliant device. It carries power output up to 20V 5A (100W), which is sufficient for fast-charging and powering your MacBook or other mobile device.
Reversible USB-C Connectors Attach in Either Direction
Unlike traditional USB cables that connect in only one direction, the reversible USB-C male connectors plug into a USB-C or Thunderbolt 3 port in either direction for an instant connection every time.
Structure Specification of Thunderbolt 4 and USB4 cable:
Structure Specification of Thunderbolt 4 and USB4 cableUSB4 Cable with Emarker Chip Safer Current protection function USB4 Thunderbolt Cable:

USB4 Cable Thunderbolt 4 Cable Compatible for Thunderbolt 3 USB Type-C:
USB4 Cable Thunderbolt 4 Cable Compatible for Thunderbolt 3 USB Type-C PD 100W Faster Charging

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