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

SANDISK Ultra Dual 32GB Type-C

607×

20.69 €

In stock > 10 pcs

4 sizes

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A and USB-C, capacity of 32GB, read speed up to 150MB/s, aes-128 encryption, OTG, with retractable connector, plastic and metal, silver...

SANDISK Ultra Fit USB 128GB

1 137×

24.59 €

In stock > 5 pcs

6 sizes

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 128GB, write speed up to 40MB/s, read speed up to 400MB/s, aes-128 encryption, miniature, plastic and metal, black colour...

9 variants 2 sizes

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 256GB, write speed up to 40MB/s, read speed up to 100MB/s, aes-128 encryption, with retractable connector, plastic and...

SANDISK Ultra Flair 64GB black

2 297×

16.60 €

In stock > 10 pcs

10 variants

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 150MB/s, aes-128 encryption, with key loop, plastic and metal, silver...

Kingston DataTraveler Exodia 128GB

110×

12.40 €

In stock > 10 pcs

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 128GB, with key loop, plastic, black and yellow colour

SANDISK Ultra 32GB red

764×

12.49 €

In stock > 10 pcs

9 variants

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 32GB, write speed up to 40MB/s, read speed up to 100MB/s, aes-128 encryption, with key loop, plastic and rubber, red...

3 sizes

Flash Drive - USB 3.2 Gen 2x2, USB-A, capacity of 1000GB, write speed up to 450MB/s, read speed up to 500MB/s, with key loop, with retractable connector, black colour

Kingston DataTraveler Exodia 256GB

37×

26.80 €

In stock > 5 pcs

Buy with code ALZADAYS15AT 22.78 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 256GB, with key loop, plastic, black and red colour

Ledger Nano X Amethyst Purple Crypto Hardware Wallet

93×

153.90 €

In stock 1 pcs

2 colors

Hardware Wallet - Encryption, easy to use on Windows, OS X, Linux or smartphone(iOS, Android), CC EAL5+ certification, chips: ST33J2M0 + STM32WB55, support a large number of...

Safe 3 - Stellar Silver

159×

59.90 €

In stock > 5 pcs

4 colors

Hardware Wallet - to secure your digital assets, advanced features, backing up Shamir and Coinjoin, Secure Element, Passphrase, PIN, OLED display, broad support for tokens and...

Kingston IronKey Keypad 200 16GB

15×

104.39 € 105.59 €

In stock > 5 pcs

4 sizes

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 16GB, write speed up to 115MB/s, read speed up to 145MB/s, aes-256 encryption, with key loop, waterproof, with retractable...

SANDISK Ultra 512GB Black

764×

79.99 €

In stock > 5 pcs

9 variants

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 512GB, write speed up to 40MB/s, read speed up to 130MB/s, aes-128 encryption, with key loop, with retractable connector,...

SANDISK Ultra Luxe 512GB

278×

77.50 €

In stock > 5 pcs

6 sizes

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 512GB, read speed up to 400MB/s, durable, with key loop, metal, silver colour

SANDISK Cruzer Blade 16GB electric blue

900×

10.19 €

In stock > 10 pcs

10+ 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

Safe 7 - Charcoal Black

6×

248.90 €

In stock > 5 pcs

2 colors

Hardware Wallet - security chip TROPIC01 with auditable Secure Element, Dual Secure Element protection with EAL6+ chip without NDA certification, a quantum-ready architecture for...

Kingston DataTraveler SE9 (Gen 3) 64GB

701×

14.50 €

In stock > 10 pcs

8 sizes

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 64GB, write speed up to 100MB/s, read speed up to 200MB/s, with key loop, metal, gold colour

SANDISK iXpand Flash Drive Go 128GB

122×

57.19 €

In stock > 5 pcs

3 sizes

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A and Lightning, capacity of 128GB, aes-128 encryption, OTG, with key loop, metal, black and silver colour

SANDISK Cruzer Blade 16GB electric pink

900×

8.69 €

In stock > 10 pcs

10+ 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

SANDISK Ultra Dual GO 1TB USB-C

1 274×

179 €

In stock > 5 pcs

6 sizes

Buy with code ALZADAYS10AT 161.10 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 10 % Rabatt mit dem Code ALZADAYS5AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A and USB-C, capacity of 1000GB, write speed up to 150MB/s, read speed up to 150MB/s, OTG, plastic, black colour

2 sizes

Flash Drive - USB 2.0, USB-A, capacity of 64GB, miniature, durable, with key loop, metal

SANDISK Ultra Fit USB 64GB

1 137×

14.29 €

In stock > 10 pcs

6 sizes

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 64GB, write speed up to 40MB/s, read speed up to 300MB/s, aes-128 encryption, miniature, plastic and metal, black colour

3 colors

Hardware Wallet - enables the purchase of, sale and exchange of cryptocurrencies, Chip Secure Element, passphrase for easy entry, integrates easily with the complete Trezor system...

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

SANDISK Ultra Fit USB 3.1 32GB

1 137×

9.19 €

In stock > 10 pcs

6 sizes

Flash Drive - USB 3.2 Gen 1 (USB 3.0), USB-A, capacity of 32GB, write speed up to 40MB/s, read speed up to 130MB/s, aes-128 encryption, miniature, plastic and metal, black colour

Memory Sticks & Portable USB Drives

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

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