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SD Cards
This page collect information on good SD cards to use with the Deluge, and how to format them.
For best results format the card with 32kB cluster size.
Most consumer SD cards are intended for cameras and video cameras, and the speeds advertised are for reading and writing a single large continous file. For Deluge what matters is random access speed. This is often not mentioned at all. A1/A2 class is an indication of a card intended for "application use", and should mean good random access speed. (A2 is not supported by Deluge: the card will work, but isn't going to be any faster.)
While specific testing for Deluge is still in early steps, in addition to the information below you may want to refer to the recommendations for the Dirtywave M8 tracker.
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Kingston Canvas Go! Plus microSD card. Tested size 64GB. Note: microSD, not full size! Achieved 9-12 simultaneous streams.
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Kingston Canvas Go! Plus SD card. Achieved 12 simultaneous streams with no dropouts
- Sandisk Extreme Pro. Achieved 6-8 simultaneous streams.
- Verbatim Premium (stock card that comes with the Deluge). Achieved 3-7 simultaneous streams.
Test procedure - export arranger stems for a song, load them into a kit, and watch for dropouts. Kit is important as audio clips will paper over the dropouts and attempt to resume, kit rows will stop playing. The song must have enough tracks for the total audio size to exceed available memory, 12 stereo tracks at around 1 minute should do it