Amazon Basics 7HUA 2.0 Cable For Printer or External Hard Drive, USB-A to USB-B Male Cable, 6 feet / 1.8 meter, Black

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There are so-called cables with A plugs on both ends, which may be valid if the "cable" includes, for example, a USB host-to-host transfer device with two ports. [3] This is, by definition, a device with two logical B ports, each with a captive cable, not a cable with two A ends. Cai Yan (31 May 2007). "China to enforce universal cell phone charger". EE Times. Archived from the original on 29 September 2007 . Retrieved 25 August 2007. In most modern technology devices, there will be some form of USB connection available to connect equipment. Despite supposedly being universal, there are different variations of USB types and versions; including what connectors and cables each can use.

The Micro plug design is rated for at least 10,000 connect-disconnect cycles, which is more than the Mini plug design. [13] [16] The Micro connector is also designed to reduce the mechanical wear on the device; instead, the easier-to-replace cable is designed to bear the mechanical wear of connection and disconnection. The Universal Serial Bus Micro-USB Cables and Connectors Specification details the mechanical characteristics of Micro-A plugs, Micro-AB receptacles (which accept both Micro-A and Micro-B plugs), Double-Sided Micro USB, and Micro-B plugs and receptacles, [16] along with a Standard-A receptacle to a Micro-A plug adapter. The body responsible for developing, maintaining, and updating the USB standard is called the USB Implementers Forum, or USB-IF. To date, there have been four main generations of USB released: USB 1.x (which had various subcategories), USB 2.0, USB 3.x (again, with subcategories), and USB 4. You will often see these referred to as USB gen 1, USB gen 3, and so on. In this guide, we will explore the different types of USB connectors, ports and cables, and answer the most frequently asked questions on how each works. The USB-C connector supersedes all earlier USB connectors and the Mini DisplayPort connector. It is used for all USB protocols and for Thunderbolt (3 and later), DisplayPort (1.2 and later), and others. Developed at roughly the same time as the USB3.1 specification, but distinct from it, the USB-C Specification 1.0 was finalized in August 2014 [24] and defines a new small reversible-plug connector for USB devices. [25] The USB-C plug connects to both hosts and devices, replacing various Type-A and Type-B connectors and cables with a standard meant to be future-proof. [24] [26]

USB 4 and Type C connectors look almost identical, so, naturally, many users confuse the two and interchange the terms “Type C” and “USB 4”. Note that USB Type C refers to the physical design of USB connectors. In contrast, USB 4 denotes the USB version. USB 4 has nothing to do with the shape of the connector; it just indicates the performance and speed of the USB version. It is also reversible, i.e., it can be plugged in either way without worrying about which is the right side up.

USB Power Delivery — Introduction" (PDF). July 16, 2012. Archived (PDF) from the original on January 23, 2013 . Retrieved January 6, 2013. Lex Friedman (25 February 2013). "Review: Logitech's Ultrathin mini keyboard cover makes the wrong tradeoffs". macworld.com. Archived from the original on 3 November 2013 . Retrieved 29 October 2013.

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OMTP Local Connectivity: Data Connectivity". Open Mobile Terminal Platform. September 17, 2007. Archived from the original on October 15, 2008 . Retrieved February 11, 2009.