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The first article on the speed of the SD cards I wrote was pretty successful. I get quite a bit of traffic from that, so I think people probably find it useful. The issue with writing follow up articles is that I’m limited to what I have on hand to test with (if you have contacts to acquire test cards let me know). It’s been a few months and I did buy 4 extra SD cards (2 types) making it possible to write another article. In addition to those regular SD cards I scavenged around to find any else that would be testable. I eventually found quite a few micro SD cards, and I also have a single new Compact Flash card that I was curious about performance. The goal in this article, as was in the first, is to see how fast these cards write data. When being used in a camera, the write speed is the most important factor to performance. The testing process: I went over this in the first article, but basically I use a built-in Ubuntu Linux utility to test the speed of the cards in an internal USB ...

I have a more recent speed testing article in articles posted October 2017. Most of my largest articles happen on a whim. I think of an idea and then keep scaling it up as I think of ways to make the article even more interesting and useful. My initial though here was to see how my collection of SD memory cards faired write-speed wise. I found out that Ubuntu Linux has a disk benchmarking application built-in, which is prefect for a basic test. That idea eventually scaled into making a full length video showing each card in my newest camera and measuring the time it takes to save a number of RAW files to the card. I’m focusing on write speeds for this article because that is what makes the difference when using the card in the camera. Below is the process used to get the computer based benchmark results: I have a USB2.0 Internal memory card reader in my computer that I performed the test with. The application I used was Ubuntu’s built-in disk utility. The benchmark program required tha...