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Introduction, Specifications, and Packaging

Lexar is Micron’s brand covering SD Cards, microSD Cards, USB flash drives, and card readers. Their card readers are known for being able to push high in the various speed grades, typically allowing transfers (for capable SD cards) much faster than what a typical built-in laptop or PC SD card reader is capable of. Today we will take a look at the Lexar ‘Professional Workflow’ line of flash memory connectivity options from Lexar.

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This is essentially a four-bay hub device that can accept various card readers or other types of devices (a USB flash storage device as opposed to just a reader, for example). The available readers range from SD to CF to Professional Grade CFast cards capable of over 500 MB/sec.

We will be looking at the following items today:

  • Professional Workflow HR2
    • Four-bay Thunderbolt™ 2/USB 3.0 reader and storage drive hub
  • Professional Workflow UR1
    • Three-slot microSDHC™/microSDXC™ UHS-I USB 3.0 reader
  • Professional Workflow SR1
    • SDHC™/SDXC™ UHS-I USB 3.0 reader
  • Professional Workflow CFR1
    • CompactFlash® USB 3.0 reader
  • Professional Workflow DD256
    • 256GB USB 3.0 Storage Drive

Note that since we were sampled these items, Lexar has begun shipping a newer version of the SR1. The SR2 is a SDHC™/SDXC™ UHS-II USB 3.0 reader. Since we had no UHS-II SD cards available to test, this difference would not impact any of our testing speed results. There is also an HR1 model which has only USB 3.0 support and no Thunderbolt, coming in at a significantly lower cost when compared with the HR2 (more on that later).

Continue reading for our review of all of the above!