The best USB flash drives

The best USB flash drives for storing files and documents.

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The USB have become an essential travel companion in these times where videos, photos, presentations, documents or data of interest stored on our computer or laptop, are stored quickly to carry them with us and print or copy and play on other devices. We can do it comfortably with a USB flash drive like this USB 3.0 SanDisk Ultra Flair 64 Gb, one of the USB flash drives selected by our team of experts.

Things to consider

What do we need in a USB? First and foremost, security and stability. Our files must be stored without risk of data loss. They must be resistant, and withstand extreme temperatures or accidental drops.

Some devices also incorporate software to encrypt data with passwords and protect it. In addition to these factors, the transfer speed will determine our purchase decision.

Another element to take into account will be the storage capacity. From 8Gb to 2Tb. we have a wide range of USB.

Let’s see below some characteristics that can help us to decide the purchase of a good USB.

File transfer speed. There are three speeds of USB flash memory:

  • 1.0. The slowest. Transfer speed up to 12Mbps.
  • 2.0. Slowest, with a data transfer speed of up to 480Mbps.
  • 3.0. It multiplies performance tenfold, with a transfer speed of up to 5 Gbps.
  • 3.1. The fastest. Prepared to transfer up to 10Gbps.

We must bear in mind that these speeds are not real, and usually manufacturers sell us the optimum transfer speed values and not the average speed, which is around 280 Mbps. in a 2.0 device, 3.2 Gbps in USB 3.0 and 7 Gbps in 3.1 devices.

Capacity. As a general rule, the larger the storage volume, the higher the price. This factor together with the transfer speed will allow our USB to be or not of great capacity, at the same time as fast.

Dimensions and finish. A factor not less important to take into account, since we are going to carry them with us always.

Compatibility for MAC, Linux or Windows. It is important to read if the USB we like is compatible with all operating systems.

File formats. These devices are formatted by default in FAT32:

  • FAT32. It is the most compatible file format system, although it does not allow storing files larger than 4GB, unless they are divided into partitions.
  • NTFS. It is the most advanced file format system, with no storage limitation, although it is a system not compatible with Mac or Linux.
  • exFAT. It is a flash file format system, without the limitations offered by FAT32. It offers better compatibility with Windows, Linux and Mac devices. It is the most recommended for transferring large files.

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