USB Flash Drive



  1. 1) – What is a USB flash drive?

  2. 2) – Introduction to USB flash drive.

USB flash drive

  • USB flash drive:

    USB flash drives are the simple portable devices that connect to the USB port of any computer. They store information like a hard disk. However, data can be transferred very quickly from one computer to another with a flash drive.

    USB stands for “Universal serial bus.” The word Flash means “the flash memory that can be used to write, erase, and then restore digital information in a flash.” Also, because they are so small USB flash drives, they can be fitted to keychains or easily transportable into pockets.

    The USB has many household names. Also known as:

    • 1- Thumb derive

    • 2- Flash derive

    • 3- Pen derive

    • 4- Memory stick etc.


    An Israel corporation was known as M-System in 1999 first invented USB. An I.B.M. employee was also revealed when Shimon Shmueli, one of his colleagues, claimed to invent the drive in 1990.

    The first USB flash drive, with a storage capacity of 8 megabytes (MB), was launched in 2000. Distributed to suppliers, districts currently have a potential of between 8 gigabytes (GB) and 1 terabyte (TB), and future potential is projected to exceed 2 TB.

    The MLC (multi-level cell) is the memory of many USB flash drives, perfect for three to five thousand programs erase cells. Most derives have a single level (SLC) memory, however, which supports about 100,000 writes.

Important Components of the flash drive

Following are the five essential components of a USB flash drive:

  • 1- Standard-A USB connector

    This component provides the host device with a physical interface. Many USB flash drives use USB connectors that do not cover 4 contacts and that can be connected to the USB port in the other direction.

  • 2- USB mass storage Controller

     A small, ROM, and RAM on chip microcontroller.

  • 3- NAND flash memory chip

     This is a small memory chip that stores data, the standard NAND flash is often used for digital cameras.

  • 4- Crystal oscillator

    The principal 12 MHz clock signal of a computer is produced by a phase-locked loop, and the computer controls its data output.

  • 5- Cover

    Usually made up of metal or plastic material, safe from mechanical stress and potential falls.

Other Internal & Mechanical Components

Other internal electronic and mechanical components


  • 1 – Write-protect switches

    Allow or deactivate the writing of your data into memory.

  • 2 – LEDs

     LEDs stands for light-emitting diodes. They signify the data read, write, and transfer.

  • 3 – Test points

    Test points are also known as jumpers and test pins. These are used to test the manufacturing and loading of the security code into the microcontroller of flash derive.

  • 4 – Unpolluted space

             This region provides the space for the second memory chip.

Best USB Flash Drives

Latest Best USB Flash Drives


We have found the best USB flash drives on the marketplace for your easier research. You can find out the best drive that fits your storage needs.


  • 1- Kingston Technology Data Traveler 100 Generation 3 USB flash drive


  1. 1- Storage capacity: 64 GB.
  2. 2- Interface: USB 3.0

This is the most accessible 64 GB USB. 3.0 drive in the market and has 150Mbps and 70 Mbps read-write respectively.

2-SanDisk Extreme CZ80 USB flash drive

  • – Quick
  • – Secure
  • – Affordable


  1. 1- Storage 2- Capacity: 32 GB.
  2. 2- Interface: USB 3.0
  4. It is one of the best USB storage devices. It provides excellent storage areas and high-speed file transmission.


3- Verbatim Pinstripe USB flash drive


  1. 1- Storage capacity: 128 GB
  2. 2- Interface: USB 3.0

It is the lowest USB 3.0 drive per GB on the market. The commodity is fitted with a 2-years warranty and retractable cover.

4- Samsung T3 SSD USB flash drive

  • – Very high storage capacity
  • – Excellent performance
  • – Expensive


  1. 1-Storage capacity: 1TB
  2. 2- Interface: USB 3.1

If you are searching for the best USB flash drives in the premium market, you can look at the Samsung T3. The Samsung 3D-NAND technology not only supports insane high-reading speeds up to 450Mbps but also has a 3-years warranty and a type of C-USB connectors.

Disadvantages of USB Flash Drive

    • 1- USB flash drive is fairly so small that it’s often missed or lost.

    • 2- USB flash drive has no writing mechanism/ software to protect the PC from the attack of viruses.

Can a Virus Attack The USB Flash Drive

  • As a mass storage device, the USB flash drive may be infected with a virus. When the computer virus has infected a USB drive, you can attempt to clean it using antivirus software.

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