choosing_sd_card
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choosing_sd_card [2018/07/11 08:39] – [Update] akuzmuk | choosing_sd_card [2018/07/11 08:48] – akuzmuk | ||
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- | ====== SD cadrs comparison | + | ====== |
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+ | ===== SD cards comparison | ||
There is a wide variety of SD cards. In addition to the obvious differences, | There is a wide variety of SD cards. In addition to the obvious differences, | ||
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+ | ===== Benchmark ===== | ||
We tested five different memory cards in order to understand their performance differences applicable to WebHMI. The test consists of writing 60,000 rows into a data table for graphs (5 columns). | We tested five different memory cards in order to understand their performance differences applicable to WebHMI. The test consists of writing 60,000 rows into a data table for graphs (5 columns). | ||
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At the same time, the use of MLC-memory is advisable in systems with higher requirements for recording speed and/or the need to store a large amount of data. Or where the SLC memory does not fit into the budget of the system. | At the same time, the use of MLC-memory is advisable in systems with higher requirements for recording speed and/or the need to store a large amount of data. Or where the SLC memory does not fit into the budget of the system. | ||
- | ====== | + | ===== Test your card ===== |
- | After a few years of running various cards we found that Transcend Industrial 1GB SLC cards suits our needs in most cases. So we can sell these cards with WebHMI by request. | + | How to find a faster card? Test all of your candidates! |
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+ | WebHMI has a built in benchmark to test performance of particular card. Go to page **Maintenance-> | ||
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+ | Here is example of such test run: | ||
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+ | {{ :: | ||
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+ | ===== 2017 Update | ||
+ | After a few years of running various cards we have found that Transcend Industrial 1GB SLC cards suit our needs in most cases. So we can sell these cards with WebHMI by request. | ||
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choosing_sd_card.txt · Last modified: 2022/01/14 23:47 by 127.0.0.1