Answer:
PCIe
Step-by-step explanation:
If we're talking about video slot the PCI is the most commonly installed in a laptop, but in this case, we have the PCIE or PCI-Express, this was the most common video slot in 2007 and is confused for the PCI-X.
We can increase the bandwidth with this video slot, this slot PCI-X could be 32 times faster than PCI 2.1, with PCIE 1.1 we can transport 250mb/s in each direction.