GPSF only can supports FTTH, while GPHF supports FTTH, FTTO, FTTM and D-CCAP

This two model switches although have the same port, but there is difference as below:

1, forwarding performance S6720-30C-EI-24S is 720Mps, S6720S-26Q-EI-24S is 480Mps

2, S6720–30C-EI-24S supports dual power AC/DC, and extend slot, which S6720S-26Q-EI-24S not suppot.