There are several differences between the SPD-SX and the SPD-SX Special Edition, as shown below:
| SPD-SX | SPD-SX SE | |
|---|---|---|
| Memory Capacity | 2GB / 4GB (varies by production date*) |
16GB |
| Color | Black | Sparkling Red |
| Bundled Software | None | Ableton Live Lite |
*Units with serial numbers C5E4799 (produced after August 2014) and later have 4GB of memory.