I'll start with the positives. It works. and it works with linux. The build quality is not very good. There are too few slots for each card on the front panel. I cannot insert an SD card into the SD slot because it is too thin. Same problem with CF slot. Also, the reader's body is too short for most cases. I had to adjust mine to sit flush with the front of my PC case. And the last problem concerns the LED backlight. They're very bright and protrude slightly from the faceplate, so you'll still get some glare even when the case is on its side. I put a piece of black tape on the LED and it's still visible in daylight.
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