![]() If you’re looking for something a bit speedier than H2testw, consider FakeFlashTest. H2testw is only available on Windows however, it can be run on Linux and Mac via a virtual machine. After the first run it will give users the option to use English as the default language. ![]() Once downloaded, simply run the installer. Downloading the installer from the website is self-explanatory, regardless of your German language skills. As such, the website that hosts the fake SD card test software, as well as the software itself, is in German. H2testw was originally developed by a German software engineer. While H2testw will work on any size drive, it may take a bit longer to complete the test. This means that the software has not been optimized to be used on larger-capacity drives. The only downside to H2testw is the fact that it is quite old. This reliable tool is able to test the true capacity of an SD/microSD card, as well as the read/write speed of the drive. H2testw has been around for a very long time and for good reason. Before you order a large batch of super cheap SD cards, buy one and test it to make sure you’re getting what you pay for. Fortunately, there are a number of free tools that can test the speed and capacity of your cards. In some cases the card corrupts data, rendering it useless. For example, a card is advertised as 256GB however, it really only holds 4GB. The most common scam is falsely stating the card’s capacity. While the offers are tempting, these cards often only last for a few weeks or months before they stop working completely. When Blackmagic tries to read the Startup Disk, you get the message that the device is not writeable, hence you cannot rate the the transfer rates of the drive.īlackmagic has been updated to adequately report the speed of SSD devices.Either way, they scam buyers in one of two ways: by offering a brand name at an unbelievable discount or by offering a generic brand with a crazy amount of storage for nearly nothing. I found a workaround that will report the rates of the Startup Disk. Create a disk image (.dmg) using the disk utility specifying file->new image->blank image. ![]() 10-21-2020, 06:47 am I'm not sure that Blackmagic distributes Disk Speed Test as a standalone utility on Windows the same way they do on Mac OS. Make it big enough for Blackmagic to work with (7+ GB) and name it what you will. Disk Speed Test is included in the Desktop Video software package though which you can download for Windows here (if you click the Download Only link in the popup, you can download without registering. Mount the volume (if it is not already mounted). In Blackmagic select the disk image mounted. Since the “volume” is on your Startup Disk, you will see how fast it drive is. On my 2016 MacBook Pro, I am seeing speeds like 1,000+ MB/s write, and 1100+ MB/S read. I have tried this on my older mackbooks with SSD and they do scale down as the device is older. On an older MacBook Pro the rates I see are 500 MB/S both read and write, as you would expect. I have run Blackmagic on USB 2, thumb drives, USB 3, and USB C devices to see if I’m getting my money’s worth. You can easily detect when a device is performing subpar and, and with the spinning disk, you can see is transfer speeds deteriorates over time.
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