While there are, in fact, USB 3.0 expansion cards for laptops with expansion card slots, those cards perform poorly, consume large amounts of power, and are generally not worth the hassle. This tutorial will not cover the upgrade process for laptop computers as laptops are difficult to upgrade to USB 3.0. ![]() Note: This tutorial will cover the upgrade process for desktop computers. In addition to significantly increasing the speed, the USB 3.0 standard introduced better bandwidth management (USB 3.0 devices and connections use two omnidirectional paths instead of the one-way communication available with USB 2.0), better power management, improved bus utilization (which translates to faster at-ready times when new devices are added to the host computer), among other minor but welcome improvements. Same hardware, same disk size, different USB ports and standards. During the disk cloning process we employed in our article How to Upgrade Your Existing Hard Drive in Under an Hour, for example, we were able to clone a 120GB SSD over a USB 3.0 connection in a mere 15 minutes but the same clone process over a USB 2.0 connection took around an hour. Even when USB 3.0 connections don’t hit the theoretical limit they are still staggeringly faster than USB 2.0 connections. The maximum theoretical speed of USB 3.0 is ten times faster than USB 2.0. ![]() The most obvious benefit is the increase in speed.
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