This Modular Cable is suitablefor "older version" of Seasonic power supply models X400FL, X460FL,X560, X650, X660, X750, X760, X850,X860,X1000, X1050, X1250.
Fanless 400W, 460W, 520W, X560,X650, X660, X750, X760, X850, X860, X1000, P1000, X1050, and X1250.
It is NOT suitable for the newversion of these power supplies which use an 8pin to two 6+2pin PCI-Econnectors cable.