How much does it wear an SD card to be frequently removed/reinserted?

Posted by jtbandes on Super User See other posts from Super User or by jtbandes
Published on 2012-03-28T21:55:41Z Indexed on 2012/03/28 23:34 UTC
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sd-card

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peripherals

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physical-wear

My digital camera (a Sony a55) stores photos on an SD card. When I want to transfer these to my computer (a mid-2010 MacBook Pro), I have two options: use the USB cable to connect the camera to the computer, or use the computer's built-in SD card reader.

The camera's SD card slot is the standard click-in, click-out (spring-loaded) mechanism. My laptop has a simple slot into which the card slides with a little more resistance than the former (the card slides only about halfway in so it can be easily removed).

I notice that the card's contacts now have some shiny marks from one or both of these card slots:

Does this type of wear threaten to significantly damage the card? Should I avoid switching the card between slots frequently, to extend its lifetime?

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