In this article we’ll make a top 10 of usb 3.0 flash drives (or pendrives), a pendrive’s ranking to figure out which is the fastest USB key of 2015, which is the cheapest and which have the best quality / price ratio, and to do that we will analyze their performance in reading and writing, related to their price. All flash drives analyzed in this article are USB 3.0, but of course they are compatible and can also be used with USB 2.0 ports. If you just buy any USB 3.0 device, you cannot be sure you have purchased a product with good performance, some USB 3.0 pendrives are actually very slow, even slower than some 2.0 flash drives. To make the right choice between the many offers you can find on the net, we have written this article hoping to help you in choosing a quality product with good performance and a reasonable price. What is the USB3.0 standard and what are the differences with USB2.0 The USB 3.0 standard provides a data transfer rate ten times faster than USB 2.0 reaching speeds of up to 5 Gbit/s corresponding to 640MByte/s (a byte consists of 8 bits ). The USB 2.0 standard provides speeds of up to 60MB/s.
The smallest drive on test - a couple of inches long and barely any bigger than your average USB flash drive. As you'd expect, it's beefed up a little with a strong casing and metal cross casing. So, let’s take a look at the major file systems and hopefully, you can figure out the best solution for formatting your USB drive. Understanding File System Problems. Different file systems offer different ways of organizing data on a disk.
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Currently almost all PCs and next-generation notebook are provided with at least one USB3.0 port, but be sure of their presence at the time of purchase, because as we have seen there is a big difference in performance between the two standards. We recommend you to buy USB3.0 pendrives in any case, in fact even if you do not have any USB3 port on your computer or laptop, you can use them anyway with USB2.0 and if one day you will change your computer you will be ready with more efficiente and performing storage devices. A USB3.0 flash drive with a medium or low performance should reach at least 50MB/s read and 20MB/s write performance. Under this performance the pendrive can not even be considered a USB 3.0, and unfortunately the market is full of them, so with this article we want to help you choose a good flash drive, avoiding you to make a wrong purchase. A normal 5400rpm hard drive, which is usually installed on a standard PC or notebook, reaches 80-100MB/s read. Some pendrives are so fast that they exceed the speed of a normal sata 2 or 3 hard drive (80-100MB / s), so the performance of these pendrives may be affected by your hard drives.
Thus it is useless to spend a lot of money on a really fast flash drive when your hard drive fails to keep up with his performances. If your computer instead mounts a 7200RPM Sata 3 Hard Drive or better a then you can choose any of the USB3 flash drives on this article, even the faster. You can also check the, although not necessarily the best selling pendrives are the most efficient, since sales are influenced by the price, in fact, the best selling usb key is the cheapest, as we shall see, however, this one has a quite good performance. Let’s begin analyzing some pendrive starting from the top performing, to go down to cheap and affordable USB flash drives for all budgets, but always with an eye on performance. All values expressed herein refer to the pendrive connected via USB3.0 port, obviously on a USB2 performance is lower and generally do not exceed the 25-30MB / s read.