Memory Sticks & Portable USB Drives

A USB flash drive allows you to quickly and easily transfer files between two devices. It is currently one of the most widely used storage media for data transfer. Most often, it varies in capacity - today you can buy a pendrive from 4 GB to 2 TB. What capacity and speed to choose? We'll give you some advice.

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USB Flash Drive: Capacity Table

Capacity	Video (DVD)	Music (mp3)	Photos (JPG)
4 GB	0 – 1 film	800 songs	1,000 photos
8 GB	1 – 2 films	1,600 songs	2,000 photos
16 GB	3 films	3,200 songs	4,000 photos
32 GB	6 films	6,400 songs	8,000 photos
64 GB	13 films	12,800 songs	16,000 photos
128 GB	26 films	25,600 songs	32,000 photos
256 GB	53 films	51,200 songs	64,000 photos
1 TB	212 films	200,000 songs	256,000 photos

Flash Drive: Indicative Data Transfer Time Table

Another important parameter when choosing a flash drive is its write and read speed. It is usually specified in MB/s. The write speed indicates the speed at which the USB drive can write, i.e. store data. The read rate tells how much data the pendrive is able to access in one second.

File type	File size	Write time to flash drive		Copy time from flash drive
File type	File size	USB 2.0	USB 3.2 (previously USB 3.1)	USB 2.0	USB 3.2 (previously USB 3.1)
Full HD film	15GB	31min	3.5min	7.5min	1min
100 photos	1GB	2min	15s	65s	9s
50 songs	250MB	31s	4s	20s	3s

USB Flash Drive: Interface and Transfer Speed

A flash drive communicates with a computer or device using a USB (Universal Serial Bus) port. It is the interface of a pendrive that determines its maximum theoretical transfer rate (it is given in Mb, 1 MB = 8 Mb). Flash drives are nowadays most often equipped with USB 3.2 Gen 1 connectors (formerly known as USB 3.1 or USB 3.0), which you can recognise very easily - they are distinguished from previous versions by their blue connector.

USB 2.0 - 480 Mb/s
USB 3.2 Gen 1 (3.1 Gen 1) - 5 Gb/s
USB 3.2 Gen 2 (3.1 Gen 2) - 10 Gb/s

OTG Flash Drives

USB flash drives labelled in this way can be connected to mobile phones or tablets that support OTG. OTG Flash drives allow you to transfer data from your smartphone directly to the pendrive, and vice versa. This is a practical accessory to expand the storage space of your connected device.

USB-C Flash Drives

The size of the connector roughly corresponds to the well-known micro USB, but it offers a number of advantages. The most general advantage of a USB-C Flash drive is its symmetrical shape, which allows the connector to always get plugged in on the first try. At the same time, USB-C enables support for all USB standards, including USB 3.2 Gen 2. USB-C can support network connectivity via Ethernet and video transmission using HDMI 2.0.

Lightning Flash Drives

These are USB drives with a Lightning connector, which is primarily designed for Apple devices. This allows you to easily transfer data between your computer and your Apple device.

WiFi Flash Drives / Wireless Flash Drives

Flash drives marked as such allow wireless connectivity via Wi-Fi. The advantage of WiFi pendrives is automatic data downloading and backup. You can use them e.g. for the data from your phone.

Flash disk do mobilu
OTG

USB-C flash disk
USB–C

Lightning flash disk pro Apple
For iPhone/iPad

Bezdrátová flashka
Wireless

Useful Functions and Features of USB Flash Drives

Water-resistant flash drives - Water- and shock-resistant for 100% protection of your data wherever you are. You can be sure that your data will remain completely safe.
USB Drive Encryption - Hardware encryption can be activated on these USB flash drives to keep your data secure. When connected to a computer, the data is only accessible after the corresponding key has been entered.

How to Choose a Flash Drive USB 3.2

Kingston DataTraveler Exodia Gen 2 512GB

66.29 € Save 12.61 €

In stock 4 pcs

4 sizes

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 512GB, with key loop, plastic, black and violet colour

Added to cart

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Kingston IronKey Keypad 200 256GB USB-A

305.09 €

In stock 3 pcs

Buy at the price for both existing and new AlzaPlus+ members 274.58 €

Flash Drive - USB 2.0 and USB 3.2 Gen 2 (USB 3.1), USB-A, capacity of 256GB, write speed up to 115MB/s, read speed up to 145MB/s, aes-256 encryption, durable, with key loop, with...

Added to cart

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Kingston IronKey Locker+ 50 256GB

154.49 €

In stock 5 pcs

Buy at the price for both existing and new AlzaPlus+ members 146.77 €

Flash Drive 256 GB - USB 3.2 Gen 1 (USB 3.0), USB-A connector, write speeds up to 115 MB/s, read speeds up to 145 MB/s, software AES-256 encryption, protection against brute force...

Added to cart

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Kingston IronKey+50 G2 64GB

74.79 €

In stock > 5 pcs

4 sizes

Buy at the price for both existing and new AlzaPlus+ members 67.31 €

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 64GB, write speed up to 115MB/s, read speed up to 145MB/s, aes-256 encryption, durable, with key loop, plastic and metal,...

Added to cart

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Kingston IronKey+50 G2 256GB

185.29 €

In stock 3 pcs

4 sizes

Buy at the price for both existing and new AlzaPlus+ members 157.50 €

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 256GB, write speed up to 115MB/s, read speed up to 145MB/s, aes-256 encryption, durable, with key loop, plastic and metal,...

Added to cart

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SANDISK FIFA World Cup 2026 64GB Global Edition

39.39 €

In stock 3 pcs

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-C, capacity of 64GB, read speed up to 300MB/s, OTG, with key loop, plastic, multicolour colour

Added to cart

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Kingston DataTraveler Kyson 64GB

1 350×

14.90 € New 17.29 €

Unsealed - in stock 1 pcs

2 sizes

Buy at the price for both existing and new AlzaPlus+ members 11.92 €

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 64GB, write speed up to 60MB/s, read speed up to 200MB/s, durable, with key loop, metal, grey colour

Added to cart

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YubiKey 5C NFC

71×

70.90 € New 74.90 €

Unsealed - in stock 2 pcs

Authentication Token - Universal security token with USB-C interface and NFC chip, support for FIDO2 (passwordless authentication) protocols, OTP, PIV (Smart Card) and OpenPGP, to...

Added to cart

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SanDisk Cruzer Blade 16GB electric blue

930×

12.90 €

Unsealed - in stock 4 pcs

2 variants

Flash Drive - USB 2.0, USB-A, capacity of 16GB, write speed up to 6MB/s, read speed up to 24MB/s, aes-128 encryption, miniature, with key loop, plastic, blue colour

Added to cart

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SANDISK Ultra Dual 64GB USB-C

637×

21.90 € New 23.89 €

Unsealed - in stock 1 pcs

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A and USB-C, capacity of 64GB, read speed up to 150MB/s, aes-128 encryption, OTG, with key loop, with retractable connector, plastic and...

Added to cart

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Silicon Power Mobile C80 64GB

97×

19.90 € New 21.69 €

As good as new - in stock 1 pcs

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A and USB-C, capacity of 64GB, write speed up to 16MB/s, read speed up to 110MB/s, aes-256 encryption, OTG, durable, with key loop,...

Added to cart

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Kingston IronKey+50 G2 128GB

114.69 €

In stock > 5 pcs

4 sizes

Buy at the price for both existing and new AlzaPlus+ members 97.49 €

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 128GB, write speed up to 115MB/s, read speed up to 145MB/s, aes-256 encryption, durable, with key loop, plastic and metal,...

Added to cart

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Kingston DataTraveler Exodia S 64GB

59×

9.19 € New 9.69 €

Unsealed - in stock 1 pcs

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 64GB, plastic, black colour

Added to cart

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MAKTAR Nukii 128 GB NFC

151.90 €

In stock 1 pcs

Flash Drive - USB 3.2 Gen 2 (USB 3.1), USB-A, capacity of 128GB, write speed up to 70MB/s, read speed up to 120MB/s, plastic, grey colour

Added to cart

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Hardware Wallet encryption, supports more than 500 currencies, USB-C, microSD

Added to cart

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Silicon Power DS72 2TB, gold

114×

392.59 €

In stock 1 pcs

10+ variants

Flash Drive - USB 3.2 Gen 2 (USB 3.1), USB-A and USB-C, capacity of 2000GB, write speed up to 850MB/s, read speed up to 1050MB/s, aes-256 encryption, OTG, durable, plastic,...

Added to cart

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Authentication Token - Security token with USB-C and Lightning connector, support for FIDO2 (passwordless authentication) protocols, OTP, PIV (Smart Card) and OpenPGP, to make your...

Added to cart

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Cryptosteel Cassette Solo

7×

105.90 €

In stock > 5 pcs

Password Manager - offline - AISI 304. Comes with more than 250 stainless steel letter tiles. In the package: 1 x cryptostel cassette unit, 1 x set of letters (approx. 800 tiles).

Added to cart

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YubiKey Bio FIDO Edition

4×

125.90 €

In stock 2 pcs

Authentication Token - a biometric security token with USB-A interface and support for the passwordless FIDO2 protocol (passwordless authentication), which allows you to secure...

Added to cart

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SANDISK Extreme PRO 1TB

60×

204.39 €

In stock 1 pcs

2 sizes

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 1000GB, write speed up to 380MB/s, read speed up to 420MB/s, aes-128 encryption, LED indicator, with key loop, with...

Added to cart

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SanDisk Ultra Flair 32GB black

2 390×

15.90 € New 17.29 €

As good as new - in stock 1 pcs

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 32GB, write speed up to 60MB/s, read speed up to 150MB/s, aes-128 encryption, with key loop, metal, silver colour

Added to cart

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Kingston DataTraveler Kyson 512GB

1 350×

71.90 € New 76.89 €

As good as new - in stock 1 pcs

2 sizes

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 512GB, write speed up to 60MB/s, read speed up to 200MB/s, durable, with key loop, metal, grey colour

Added to cart

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SanDisk Ultra Dual USB Drive 3.0 128GB

660×

25.90 €

Unsealed - in stock 1 pcs

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A and Micro USB-B, capacity of 128GB, read speed up to 130MB/s, aes-128 encryption, OTG, durable, with key loop, waterproof, plastic,...

Added to cart

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SanDisk Cruzer Blade 16GB electric pink

930×

13.90 €

Unsealed - in stock 1 pcs

2 variants

Flash Drive - USB 2.0, USB-A, capacity of 16GB, write speed up to 6MB/s, read speed up to 24MB/s, aes-128 encryption, miniature, with key loop, plastic, pink colour

Added to cart

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Memory Sticks & Portable USB Drives - additional info

USB flash memory, simply referred to as Flash Drive, is a data medium considered as the successor to floppy disks. Flash memory is not erased when the power is removed from the host device, and often take the form of keychain attachments. As is evident from the title, they connect to computers via USB sockets. They were firstly produced on a commercial scale in 2000 by IBM and Trek Technology.

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The first models had a capacity of 8 MB which was five times greater than the floppy disks which were still used at that time. Modern flash drives now have capacities ranging from 512 MB to tens or hundreds of GB (upper limit is constantly increasing) and support USB 2.0. They are made of different materials, including plastic, metal or rubber, and in addition to backing up data, they are compatible with other technologies such as ReadyBoost and U3.

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Memory Sticks & Portable USB Drives

USB Flash Drive: Capacity Table

Flash Drive: Indicative Data Transfer Time Table

USB Flash Drive: Interface and Transfer Speed

OTG Flash Drives

USB-C Flash Drives

Lightning Flash Drives

WiFi Flash Drives / Wireless Flash Drives

Useful Functions and Features of USB Flash Drives

Memory Sticks & Portable USB Drives - additional info

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