SD and microSD cards are used in many digital products for storage, and it is possible to identify whether the product you have purchased is fake.
There are a number of test tools that can be used to highlight fraudulent SD cards, however, many of these are disliked by antivirus tools due to them accessing the hardware and being seen as a potential threat.
H2testw is a well-known and reliable tool used for checking the capacity and read-write speed of fake SD cards.
FakeFlashTest is used to test SD card speed, it offers a quick version for large capacity drives and tests 512 bytes of data at random sectors across the card.
Novabench is a benchmarking tool which can test SD cards and offers a free version for this.
Blackmagic Disk Speed Test is another option for SD card testing but it writes large amounts of data to the card which takes a lot of time to reolve.
AJA System Test helps check SD card speed on both Windows and Mac and offers detailed graphs of the results to see if the performance is consistent.
Speed Out is a simple option for SD card testing and just requires the tool to be ran from a folder.
