I have several of these Maxell 360 in 4GB and 8GB (for Linux ISOs) so I ordered this 16GB. The 16GB I got looks like a fake, unlike the photo here or others I have - it's square, won't open or close, the red LED (rather than blue) stays on all the time on and flickers instead of turning on when accessed. I hope this works well, but I don't think you're getting the right thing here. In fact, 14.4 GB is available. I reformatted mine to exFAT with no problems. Other giveaways that it is fake, the packaging has size stickers on each side and a UPC sticker on the back. According to CrystalDiskMark 3.0.3, Fake is 10-400% slower (Random Write 6 KB/s).
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