We compare CF cards from Dane-Elec, SanDisk and Optosys and discover they are very different performers.Back to main review, click here Performance charts and tables: Writing to card | | | Small files | Optosys 1GB | 146 | Dane-Elec 256MB | 61 | SanDisk Ultra 128MB | 336 |
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Writing to card | | | Large files | Optosys 1GB | 50 | Dane-Elec 256MB | 51 | SanDisk Ultra 128MB | 32 |
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Reading from card | | | Small files | Optosys 1GB | 13 | Dane-Elec 256MB | 11 | SanDisk Ultra 128MB | 17 |
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Reading from card (seconds) | | | Large files | Optosys 1GB | 21 | Dane-Elec 256MB | 18 | SanDisk Ultra 128MB | 27 |
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Small files | Optosys 1GB | 66 | Dane-Elec 256MB | 67 | SanDisk Ultra 128MB | 198 |
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