Question about pcie 3 and single 16x or dual 8x8x

Question about pcie 3 and single 16x or dual 8x8x 16x pcie slot according to your own link it could sit in either the top slot or the 2nd slot both the same Multi-GPU CFX support 2 x PCIe x 16 (supports e wallet slot game PCIe boards can fit into slots designed for their lane configuration or higher Plugging a x4 PCIe into a x16 slot is acceptable

e wallet slot game This is the motherboard for precision t1700 There are 2 slots, PCIe x16 is #16, PCIe x4 is #18 User manual for t1700

free slot golden goddess MANUAL says PCIe x 16, PCIe x 4, PCIe x 1, and another PCIe x 1 Pi+® PCI-E x16 Male to PCIe x16 Female High Speed Flexible Extender Card Extension Cable