Getting accurate indications of card reader speed is notoriously tricky. To test the speed of the Mobile Card Reader, I ran some basic tests using AJA and Blackmagic tools with a store-bought ProGrade Digital 64GB Cobalt Series V90 SD card. The claim that this choice does not affect the reader’s speed compared to their other Gen2 SD card readers will be tested later in the review. I assume that sticking to USB 3.2 Gen1 allowed ProGrade Digital to keep the costs down. The fastest SD cards on the market have read speeds of roughly 300MB/s, so it’s impossible to saturate a Gen1 connection, let alone a Gen2 connection, with two SD cards. While many other card readers use USB 3.2 Gen2, which has a maximum throughput of 1.25GB/s, it should be understood that such throughput would be wasted on SD or MicroSD cards. These two card slots can be used simultaneously, with a theoretical maximum throughput of 625MB/s from the USB 3.2 Gen1 Type-C connection. In this review, I’ll show you the features of this new SD card reader, we’ll take a look at some speed test results, and then I’ll compare it with ProGrade Digital’s larger dual-slot readers.īoth the SD and MicroSD card slots are SDXC and UHS-II compatible. ProGrade Digital offered to send this new PGM0.5 Dual-Slot Mobile Card Reader for testing, but they were not allowed to see the content before it was published.
V90 SD CARD READER PORTABLE
Today, ProGrade Digital is launching something different: A highly portable dual-slot UHS-II SDXC and MicroSDXC card reader that features an integrated USB-C connection and is barely any bigger than an SD card. I have purchased several of their card readers myself, and their reviews can be found on this site.
V90 SD CARD READER PROFESSIONAL
Alongside their various SD, CFexpress and MicroSD cards, they have also launched a series of professional quality dual-slot card readers that offer fast speeds and clever features such as magnetic stacking. ProGrade Digital has been making a name for itself recently with the launch of high-speed, high-quality memory cards backed by 3-year warranties and great US-based support channels.
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