Computer Cables / Connectors / Adapters ROLINE – Quality is the Difference! ROLINE products are developed for professional users and differ considerably in their quality from comparable products in the IT environment. Their high compatibility in combination with other devices is excellent. ROLINE sets standards for high-quality, practical, user-friendly products, suitable for continuous use at a reasonable price. ROLINE products comply with EU standards and directives such as CE, ErP, RoHS and REACH. The specifications and defaults of the various standards and technologies are strictly adhered, too. The difference between ROLINE and cheap standard products is exemplified in the following product categories. USB 2.0 USB 2.0 is still the most widely used standard, but is on the decline due to the advance of USB 3.0 / 3.2 Gen 1 or Gen 2. USB 2.0 achieves data transfer rates of up to 480Mbit/s and is backwards compatible with USB 1.1. There are two connector types for this: Type A, which always („upstream“) points towards the „host“, i.e. the PC, and Type B, which („downstream“) leads towards the peripheral device. In addition, there are different so-called USB mini or micro connectors for connecting e.g. small cameras or hard drives. USB 3.0 -> USB 3.2 Gen 1 With USB 3.0 or 3.1, a standard was adopted that brings far-reaching changes: faster transfer rates of up to 5 Gbit/s, new interface designs, improved A/V transmission thanks to the use of the DisplayPort protocol with up to 4K at 60Hz and power supplies with Power Delivery are now possible. USB 3.0 and USB 3.1 Gen 1 use the same cables and protocols and are therefore identical. USB 3.0 was reimagined as USB 3.2 Gen 1 as part of the USB 3.2 launch. USB 3.1 -> USB 3.2 Gen 2 USB 3.2 Gen 2 is the further development of USB 3.2 Gen 1 and reserved for the USB Type C connector. The standard supports all the specifications of USB 3.2 Gen 1, as well as the full potential of Power Delivery and thus power supplies of up to 100W. In addition, data transfer rates of up to 10 Gbit/s are supported with the further development. USB Cables: Facts and Comparison USB Type C Connector • USB Type C is the newest sort of USB connector and is available for the USB standards 2.0, 3.0 / 3.2 Gen 1 / Gen 2 and USB4 • Thanks to the symmetrical construction, a reversible usage is possible, now. This is a significant improvement to the predecessors and allows a longer lifespan of the plugs. • The data transfer rate and PD function each depend on the USB specification and are not exclusively for the USB Type C plug. • A Full-Featured USB 3.2 Gen 2 cable has to be with Type C connectors on both ends to grant both, the data transmission rate of 10Gbit/s and the full PD functionality. Power Delivery PD (Power Delivery) is a proprietary specification used with USB. PD requires special E-Mark chips in all components and then allows communication between devices, such as between a smartphone and charger, to select a suitable charging profile that releases up to 100W of voltage at 20V 5A. Power Delivery Profile PD-Profile Load Voltage/Load Current Max. Power Profile 1 max. 5 V / 2 A 10 W Profile 2 max. 2 V/ 1,5 A 18 W Profile 3 max. 12 V/ 3 A 36 W Profile 4 max. 20 V/ 3 A 60 W Profile 5 max. 20 V/ 5 A 100 W Remark: with USB-PD Revision 3.1 and Extended Power Range (EPR) even 240W are possible. USB4 Gen 3x2 (40Gbit/s) / Gen2x2 (20Gbit/s) The major benefits of the USB4 includes faster transfer speeds (up to 40 Gbit/s), a better management of video bandwidth (using a process called „protocol tunneling“ that sends DisplayPort, PCIe and USB packets at the same time while allocating bandwidth accordingly) and optional compatibility with Thunderbolt 3 products. • Supports USB Power Delivery up to 48V / 5A (240W) Source: Power Delivery:http://www.usb.org Well Shielded ROLINE Cable Bad Shielded Cheap Cable USB 2.0 Cable USB 3.0/3.2 Cable 3.02 3
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