Sabayon comes in different flavours to choose.
To distinguish between them, a suffix is appended to file name.
Here's a short description. More details can be found in this thread on Sabayon forum.
main releases:
experimental or secondary releases:
additionally, these Core releases are available:
All of them have a smaller footprint making them fit into a single CD, or USB memory sticks.
SpinBase and ServerBase are provided with a very minimal Anaconda Installer and CoreCDX should be preferred for non-standard filesystem/partition layouts.