ModFlex is our softer, more flexible sleeving option. ModMesh is our stiffer, more vibrant sleeving option, which is also UV reactive, as well as a more durable sleeving type.
Our SFF cables are a flexible but sturdy unsleeved cable meant for small form factor builds that require shorter cables that take up less space.
Here are the differences in wire measurements:
ModFlex: 3.0mm
ModMesh: 3.0mm
PRO (ModFlex and ModMesh): 3.4mm
SFF(Unsleeved): 2.1mm/1.8mm