A few parameters of flash drives from the selection are given for comparison in the pivot table fast microSD cards , adapted for video shooting in 4K resolution. The whole variety of memory cards is presented in the corresponding section of the catalog.

Compliance with the declared speed characteristics, all-protected design, 10-year warranty, price.
The "passport" does not indicate the maximum speed of data recording.

Samsung's large ecosystem includes not only electronics, but also the necessary accessories for it. For example, chargers for gadgets, power banks, external data drives, etc. The popular model EVO Plus A2 V30 UHS-I U3 is included in the category of “fast-thinking” microSD flash drives from the South Korean brand.

All the ins and outs of the drive is revealed in the name. So, the model guarantees smooth loading of mobile applications due to compliance with the A2 standard. The V30 and UHS-I U3 classes indicate the minimum data write speed of 30 MB / s - it does not fall below this mark, which is suitable for shooting 4K video without dropping frames.

For some reason, the manufacturer does not disclose the peak speed threshold for writing information to a USB flash drive. But the speed of reading information from the drive reaches 130 MB / s. In the 128GB version, the memory card holds over 7.5 hours of 4K video and up to 20 hours of Full HD video. The number of photographs in similar frame resolutions is measured in five to six tens of thousands.

Samsung provides a 10-year limited warranty on the product (does not apply to the flash drive if it is installed in DVRs and CCTV cameras with continuous recording). The high degree of reliability of the drive is reinforced by protection against water, temperature extremes, x-rays and magnetic radiation, drops and wear. The decisive argument in favor of the model is the affordable pricing policy.

Compliance with the declared speed characteristics, built-in error correction algorithm, all-protected design.
There are no significant downsides.

The Apacer microSDXC R100 UHS-I U3 Class 10 high-speed memory card pumps up the capacity of regular smartphone drives and serves as a suitable solution for use in conjunction with action cameras and cameras that support 4K high-definition video recording.

The model belongs to the fastest V30 class. In addition, the flash drive has acquired support for the high-speed UHS-I Class 3 bus. Both classes imply a guaranteed recording of information at a speed of at least 30 MB / s. According to the "passport", the read speed of the drive is up to 100 MB / s, write - 80 MB / s. In reality, the plus or minus numbers correspond to the declared ones, but the recording often stays at 40-50 MB / s.

Before hitting the store shelves, Apacer microSDXC R100 UHS-I U3 Class 10 passes tests for "survivability" - the drive is tested for water and thermal resistance, protection against magnetic and X-rays. Also, the model has a built-in error correction algorithm that allows you to get rid of bugs when copying data.

The flash drive comes side-by-side with an SD-size adapter, making it suitable for installation in camera slots. The model does an excellent job with video shooting in 4K without loss and dropout of frames, does not disappoint in the reportage genre of photography and will harmoniously fit in with an indestructible action camera. This is in addition to the fact that the drive feels great in the storage expansion slot of the average smartphone.

The actual write speed is higher than stated, high IOPS (class A2), all-protected design, lifetime warranty.
There are no significant downsides.

Kingston Canvas Go! Plus is assigned to the strong medium segment of microSD storage. It gives good speed indicators for reading and writing files, has an indestructible character and a lifetime warranty. But let's talk about everything in order.

The memory card is marked with several important markings. The inscription "U3" on it indicates support for the UHS-I Class 3 bus with a guaranteed linear write speed of at least 30 MB / s. Approximately the same meaning is embedded in the symbolism "V30", which is a video recording class for the drive. The performance level of a flash drive when used in conjunction with a smartphone or tablet is labeled A2 - models with this tab speed up running applications.

Kingston microSDXC Canvas Go! Plus fully complies with the speed performance in read mode (up to 170 MB / s), and when writing data, the model demonstrates superpowers - instead of the declared 90 MB / s, it easily “accelerates” to 120-130 MB / s. With such characteristics, the drive will fit for shooting 4K video with a frame rate of 60 or even 120 fps. Moreover, the flash drive will also pull 8K video with a frame rate of 30 fps.

The model has a special endurance. It's no joke, the flash drive captivates with water resistance, shock resistance, vibration resistance, X-ray protection, as well as a wide operating temperature range from -25 ° C to +85 ° C. As proof of its indestructible properties, Kingston kindly provides a lifetime warranty on the product.

High data rate, high IOPS (Class A2), rugged design, data recovery software subscription, reliability and durability.
There are no significant downsides.

The Taiwanese company Transcend is a guru in the storage device industry for storing user data. For use with smartphones and for video shooting in 4K resolution, a miniature microSD flash drive with the model index 340S is sharpened out of the box.

The drive provides the speed of writing information at the level of up to 125 MB / s and "reads" data at a rate of up to 160 MB / s. Among microSD cards, these are very outstanding figures. In addition, the model has been assigned the highest speed classes UHS-I Class 3 and V30 - both parameters indicate a minimum guaranteed write rate of 30 MB / s. This means that video shooting in 4K resolution and saving arrays of RAW photos is given to a flash drive without the slightest hitch.

The Transcend microSDXC 340S is a great option for expanding your smartphone 's storage, delivering high I/O operations per second (IOPS) and boasting faster mobile app launch times. At this point in the program, the flash drive is marked with a class label for A2 applications.

Transcend microSDXC 340S multi-level protection system vouches for the reliable storage of information and the longevity of the drive itself. In particular, the model is made in a shock-resistant case, which is resistant to dust and moisture, X-rays, static voltage. As a bonus, the owner of the flash drive receives an adapter for an "adult" SD-size and a subscription to RecoveRx proprietary software for recovering deleted or lost data.

Enhanced reliability in loop recording, rugged design, 10-year warranty.
There are no significant downsides.

The league of performance cards SanDisk Max Endurance microSDXC released with an eye to the continuous recording of video surveillance data in a cyclic mode. The models delegated from it will fit 4K video recorders, high-definition video surveillance cameras, they will perfectly prove themselves when shooting video on top cameras with interchangeable lenses.

The resource of the memory card in the "no breaks" mode is 120 thousand hours, which is over 13 years of non-stop video recording. Let's be honest, not every camera can withstand such a long marathon of use. The performance of the flash drive is maintained in the temperature range from -25 ° C to +85 ° C, and its case is shockproof, waterproof and resistant to X-rays.

With high-speed indicators of reading and writing files, the model has all the rank of a plane tree. Data transfer from a flash drive is performed at a rate of up to 100 MB / s, information is written to it at a rate of up to 40 MB / s. The minimum guaranteed bar for recording is 30 MB / s. It is reported by the UHS-I U3 and V30 classes assigned to the drive.

Potential drive failures are covered by a 10-year flash drive warranty directly from the American manufacturer SanDisk. For mobile phones and portable video equipment, memory cards of the Extreme and Extreme Pro series from the brand's portfolio are also perfect. They are covered by a lifetime limited warranty.