There are 5 Pad Banks (kits)for a total of 80 sounds accessible (out of 94 max). The Pads (keys)are preset but can be user defined. A Performance Bank is also available, which stretches the pitch a single sample across all 16 pads. This to can be user defined + or - 4 octaves in 10 cent increments.. 32 Preset Patterns (some are real good, most aren't.) 100 Programmable Patterns w/ 99 meas. max per pattern and up to 2600 notes total. Memory does run out quickly so it's a good idea to get rid of unwanted Patterns. clock is 1/96 ppq. 6 songs w/ max 999 measures per song. (use repeats and loops) but still there's almost always plenty of song memory left.