USB flash drives have been at the heart of data transfers, storage, and backups for years. The more you think about it, the more illogical it seems that a device the size of a finger can contain your entire life’s worth of pictures or videos.

Just two or three decades ago, that was unimaginable. Today, USB flash drives can handle up to a terabyte of data, letting users carry decades worth of memories and entire digital worlds in their pockets.

In this article

The Definition of USB Flash Drive

A USB flash drive is a small external flash memory storage device that uses a USB port to connect to other devices. Typically, that means connecting to a desktop or laptop to transfer data, store vital files, and create backups.

Since they use flash memory, USB flash drives have rewritable storage, meaning you can store and delete files for a couple of thousand rewrites before flash memory malfunctions or slows down.

Today, that flash memory is incredibly cheap, and you find one with gigabytes of storage space for just a couple of dollars.

USB Specifications

types and generations of usb connections

The first USB connector appeared in 1996 as a joint effort between IBM, Intel, Microsoft, Compaq, DEC, NEC, and Nortel. They were trying to create a universal port that would succeed keyboard, mouse, serial, parallel, and others. Today, that success is evident, with billions of people using USB ports and storing data on USB flash drives.

Over the years, USB connectors have changed, improved, and gained more speed. In the beginning, those changes were massive. For example, the speed difference between USB 1.0 and USB 1.1 was huge and went from 1.5 Mbit/s to 12 Mbit/s. That’s six times more speed in just two years, and that’s the same generation of USB.

In 2001, when USB 2.0 premiered, the speed went from 12 Mbit/s to an astonishing 480 Mbit/s. Today, those speed jumps are much smaller in comparison and usually around 2x, meaning that USB data transfer speeds are doubling every few years. However, it’s worth noting that USB 3.0 came seven years after USB 2.0 and USB 4 eleven years after USB 3.0.

Below is a comparison table comparison showcasing the differences between USB generations:

USB Specification (Year) Max Data Transfer Speed Supported Connector Type Max Charging Power
USB 1.0 (1996) 1.5 Mbit/s Type A 1.0 & 1.1;Type B /
USB 1.1 (1998) 12 Mbit/s Type A 1.0 & 1.1;Type B;Mini-A;Mini-B /
USB 2.0 (2001) 480 Mbit/s Type-A 2.0;Type B;Type C;Mini-A;Mini B;Mini-AB;Micro-A;Micro-B;Micro-AB 2.5 W (500 mA at 5 V)
USB 3.0 (2008) 5 Gbit/s Type-A SuperSpeed;Type-B SuperSpeed;Type C;Micro-A SuperSpeed;Micro-B SuperSpeed;Micro-AB SuperSpeed 4.5 W (900 mA at 5 V)
USB 3.1 (2013) 10 Gbit/s Type-A SuperSpeed;Type-B SuperSpeed;Type C;Micro-A SuperSpeed;Micro-B SuperSpeed;Micro-AB SuperSpeed 7.5 W (1.5 A at 5 V)
USB 3.2 (2017) 20 Gbit/s Type-A SuperSpeed;Type-B SuperSpeed;Type C;Micro-A SuperSpeed;Micro-B SuperSpeed;Micro-AB SuperSpeed 15 W (3 A at 5 V)
USB 4 (2019) 40 Gbit/s / 100 W (5 A at 20 V)
USB 4 V2.0 (2022) 80 Gbit/s / 100 W (5 A at 20 V)

Pros and Cons of USB Flash Drive

Despite years of improvements and technological advancements, USB flash drives could still be better. As such, they carry certain advantages and disadvantages, which will be depicted below.

😊 Pros 😟Cons
High Usability Physically Vulnerable to Damage
Incredibly Affordable Prone to Being Stolen
High Security and Encryption Connectivity Issues
Wide Compatibility Risk of Malware and Viruses
Pocket-sized and Highly Portable Different Connectors Complicate Things

5 Best-selling USB Flash Drives

If you’re wondering which USB flash drive to purchase, below is a table comparison of the best USB drives currently on the market.

USB Flash Drives Samsung Fit Plus Kingston DataTraveler G4 SanDisk Ultra Flair SanDisk Ultra PNY Turbo Attache 3
Price $10 – $38 $5 – $20 $7.5 – $37.5 $6.25 – $37 $8 – $38
Capacity 32 – 256 GB 32 – 128 GB 32 – 512 GB 16 – 512GB 32 – 512GB
Interface USB 3.1 Type-C USB 3.0 Type-A USB 3.0 Type-A USB 3.0 Type-A USB 3.2 Type-A
Speed Up to 400 MB/s Up to 100MB/s Up to 150MB/s Up to 130MB/s Up to 100MB/s
Pros Waterproof; Shock-proof; Magnet-proof; Temperature-proof; X-ray-proof; Small size Available in multiple colors;
Compatible with many OSs;
5-year warranty
5-year limited warranty; Operating temps of
-45°C to 0°C;
Storage temps of
-70°C to -10°C
5-year limited warranty; SanDisk SecureAccess software Operating temps of 0°C to 60°C; Storage temps of -25°C to 85°C; Backwards compatibility
Cons Incompatible with Type-A USB ports; Easy to lose as it’s tiny Slower speeds; Type-A interface Slower speeds; Type-A interface Slower speeds; Type-A interface Slower speeds; Type-A interface

It’s now clear there are inevitable trade-offs between the speed and the price of your drives, and you should shop accordingly. Get a cheaper USB 3.0 SanDisk Ultra Flair if you’re only worried about storage capacity, or get a Samsung Fit Plus if speed is your primary concern.

Consider whether you want to save a few dollars and only transfer files between home or office computers and get a cheap Kingston DataTraveler G4, or splurge a bit and get a high-quality, high-speed Samsung Fit Plus, on which you can backup data and not worry about it for years.

Note: It’s worth noting that getting a Type-C flash drive might create compatibility issues, as most older desktops and laptops only have Type-A ports.

How to Use a USB Flash Drive?

The existence of multiple USB connectors can confuse, even for PC enthusiasts. We’ve also included a guide on using a USB flash drive, which you’ll find below:

  • Step 1: Inspect your USB flash drive and determine its type of connector.
    different types of usb connectors<
  • Step 2: Look for the corresponding port on the back of your desktop PC or the side of your laptop.
  • Step 3: Rotate the cable connector if you’re using USB Type-A or Type-B, as they only go in one way.
  • Step 4: Insert the device and wait for the operating system to read it.

Recognizing the type of port your drive has and using the USB flash drive is relatively easy. However, USB flash drives are far from perfect. What if you lose your files after inserting a drive?

How to Recover Lost Data from a USB Flash Drive?

The fact that USB flash drives are tiny and fit in our pockets but can handle a terabyte of files means that most of us use them for storage and backups.

However, USB flash drives lose their speed and reliability with frequent read/write cycles, putting you at risk of losing your favorite music, movies, pictures, and documents. It’s not uncommon for a USB flash drive to malfunction or for users to lose gigabytes of their precious files.

In that case, the only thing that can help is a dedicated data recovery app, such as Wondershare Recoverit.

Whether you’ve accidentally deleted essential files, formatted the USB flash drive, physically damaged the device, or had your system crash and wipe out data from the USB, Recoverit has you covered. The app can quickly and efficiently recover data from a USB flash drive, regardless of how you lost your files.

It supports over 2,000 different devices, including USB flash drives. The app can also restore over 1,000 file types and has a 95% recovery rate, working in over 500 data loss situations.

Free Download
Free Download

Here’s what to do when recovering files from a USB flash drive:

  • Step 1: Connect the USB flash drive to the computer and launch Recoverit.
  • Step 2: Click on Hard Drives and Locations on the left side and locate the USB flash drive.
  • start wondershare recoverit<
  • Step 3: Select the USB, and the scan starts automatically. Speed up the scanning process by selecting file types to look for.
  • scan for usb flash drive data<
  • Step 4: You can preview the found files as the scan proceeds. When you’re ready, or the scan completes, you can select the files you wish to restore and hit the Recover button.
recover data from the usb flash drive

That’s it, as that’s all you need to do when using Recoverit. The app is incredibly swift at recovering your files – you’ll have your essential data quickly.


USB flash drives have gotten incredibly tiny and cheap but massive in capacity. A USB stick can handle up to a terabyte of data and fits even the most petite pockets, so we often use these devices for backups, storing data, and transferring files.

However, even the highest-quality USB flash drives have a maximum lifespan of ten years, and exposure to extreme temperatures and failure to handle them correctly can lead to malfunctions and data loss. In such situations, you should use a dedicated data recovery tool like Recoverit to recover your lost files.

Free Download
Free Download


  • Q1: How long will data last on a USB flash drive?
    There’s no correct answer to this question, as it largely depends on the type and quality of your USB flash drive and how you use it. A high-quality USB drive should last up to 10 years, but each time you expose it to extreme heat or cold or forget to click “Safely Remove Hardware” before pulling it out from the computer, you decrease its potential life span.
  • Q2: What is the best USB flash drive?
    No one can say that this brand or that brand is better than the next, and the same goes for their products. Finding a good USB drive isn’t difficult, but you must consider a few factors, like capacity, speed, and price.
    No USB flash drive can get a 10/10 mark in all three categories. For example, fast drives with large capacities are often more expensive.
    As you pick USB flash drives, you must consider the type of port they use. An older desktop PC or a newer laptop usually dictates the types of ports the computer has.
  • Q3: What is the best type of USB connector?
    Although all USB connectors have advantages and uses, USB Type-C is dominant. Over the last 10-15 years, we’ve slowly eliminated mini and micro USB connectors, and now, we’re going from Type-A and Type-B to Type-C exclusively.
    Even the newest USB4 uses the Type-C connector, so investing in a high-quality, high-speed USB Type-C cable can be an excellent and future-proof idea.
Selena Lee
Selena Lee May 14, 24
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