aperd1 :
yes its the right one.
There are 3 slot's for pcie
1* pcie 2.0
1* pcie 2.0 x 16
1* pci
Using the pcie 2.0 ports for 2 x GTX 1050ti 4gb display card
Wait, are you saying that you can get the card to fit into slot 1, which is a short PCIe 1x, and it works?