SDCard Testing
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This page discusses additional tests for SD Cards. The 'base' tests are described in NAND_Testing.
Sample output
Segment size vs throughput
| size | high perf | unusable |
|---|---|---|
| 4MiB | 8.86M/s | 15M/s |
| 2MiB | 6.3M/s | 9.47M/s |
| 1MiB | 5.02M/s | 4.47M/s |
| 512KiB | 5.16M/s | 1.61M/s |
| 256KiB | 4.69M/s | 849K/s |
| 128KiB | 3.78M/s | 441K/s |
| 64KiB | 4.62M/s | 226K/s |
| 32KiB | 2.71M/s | 115K/s |
| 16KiB | 2.38M/s | 57K/s |
| 8KiB | 1.24M/s | 23K/s |
| 4KiB | 907K/s | 8K/s |