This is an important difference, because USB 3.0 is able to transfer data in both directions at the same time, while USB 2.0 is only capable of one direction. USB 3.0 works full-duplex, whereas its pre standard, USB 2.0 is half-duplex.
2.5-inch hard drives no longer need an external power supply. It was increased from 500 mA to 900 mA with USB 3.0. The two standards also differ in terms of maximum current.While USB 2.0 only reaches up to 480 MBit/s, USB 3.0 is up to 10 times faster and transfers at a maximum of 4.8 GBit/s. A big difference can be found in the speed.There are some differences compared to its previous standard, USB 2.0. However, it is no longer completely new, since it was already released in November 2008. Install the Ewent EW1040 PCI Express Card in any computer using the included optional low profile bracket.USB 3.0 is the latest USB standard. so you can still use all your USB devices. The EW1040 is backward compatible with USB 2.0 and USB 1.1. The Ewent USB 3.1 Gen1 (USB 3.0) PCI-e card has two external plug and play USB connections to connect the latest SuperSpeed USB equipment directly and reach transfer speeds up to 5Gbit/s. The Ewent EW1040 PCI-e card uses the latest technology to ensure the best quality connection. So it takes less time to transfer your data to or from your memory card, media player or external hard disk. USB 3.1 Gen1 standard with transfer speeds up to 5Gbit/s is 10x faster than USB 2.0 (480Mbit/s). Most modern equipment is suited with this SuperSpeed USB connection. USB 3.1 Gen1 (USB 3.0) is the a SuperSpeed standard in USB connections. The Ewent EW1040 USB 3.1 Gen1 (USB 3.0) PCI Express Card is the perfect solution to add extra SuperSpeed USB ports to your desktop PC. Smartphone & tablet chargers and chargers cable.
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