Dell Latitude 3580 Owner's Manual

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Dell Latitude 3580 Owner's Manual Manual pdf 33 page image

finally has the answer to the consumers' demands with a theoretically 10 times faster than its predecessor. In a nutshell, USB 3.1 Gen 1features are as follows:• Higher transfer rates (up to 5 Gbps)• Increased maximum bus power and increased device current draw to better accommodate power-hungry devices• New power management features• Full-duplex data transfers and support for new transfer types• Backward USB 2.0 compatibility• New connectors and cableThe topics below cover some of the most commonly asked questions regarding USB 3.0/USB 3.1 Gen 1.SpeedCurrently, there are 3 speed modes defined by the latest USB 3.0/USB 3.1 Gen 1 specification. They are Super-Speed, Hi-Speed and Full-Speed. The new SuperSpeed mode has a transfer rate of 4.8Gbps. While the specification retains Hi-Speed, and Full-Speed USB mode,commonly known as USB 2.0 and 1.1 respectively, the slower modes still operate at 480Mbps and 12Mbps respectively and are kept tomaintain backward compatibility.USB 3.0/USB 3.1 Gen 1 achieves the much higher performance by the technical changes below:• An additional physical bus that is added in parallel with the existing USB 2.0 bus (refer to the picture below).• USB 2.0 previously had four wires (power, ground, and a pair for differential data); USB 3.0/USB 3.1 Gen 1 adds four more for two pairsof differential signals (receive and transmit) for a combined total of eight connections in the connectors and cabling.• USB 3.0/USB 3.1 Gen 1 utilizes the bidirectional data interface, rather than USB 2.0's half-duplex arrangement. This gives a 10-foldincrease in theoretical bandwidth.With today's ever increasing demands placed on data transfers with high-definition video content, terabyte storage devices, high megapixelcount digital cameras etc., USB 2.0 may not be fast enough. Furthermore, no USB 2.0 connection could ever come close to the 480Mbpstheoretical maximum throughput, making data transfer at around 320Mbps (40MB/s) — the actual real-world maximum. Similarly, USB3.0/USB 3.1 Gen 1 connections will never achieve 4.8Gbps. We will likely see a real-world maximum rate of 400MB/s with overheads. At thisspeed, USB 3.0/USB 3.1 Gen 1 is a 10x improvement over USB 2.0.Technology and components 33Проконсультироваться и купить данное оборудование вы можете в компании «АНД-Системс»адрес: 125480, г.Москва, ул.Туристская, д.33/1; site: https://andpro.ru тел: +7 (495) 545-4870 email: info@andpro.ruПри обращении используйте промокод AND-PDF и получите скидку.