Okay no one help and i found the answer by open the laptop =.=
Got PCIe through Wifi card inside and no other PCI port or mSATA in this.
Can use eGPU through Wifi card PCIe port but got bottle neck ( I think that what they mean for slow speed than using it on Desktop ? )
Seem it time for...
Can i ask my Toshiba S55t-B5233 got Mini PCI-e inside or Wifi card using Mini PCI-e slot?
Cause i want to use e-GPU on this laptop but can't find any document talk if Toshiba S55t-B5233 got mini PCI-e inside.
I read spec on Toshiba site...