pcie x1 slot ✓ PCI Express X1 to X16 Low Profile Slot Extension Adapter

The spec for X1 PCI-e states that the max is 25W I would think that the cards intended for an X1 slot should conform to that standard pcie x1 slot,Most of dual NICs need an x4 PCIe slot The end result would look like this picture : The only doubt I have is

x1 male to x1 slot 90° angled with FPC cable 30 cm Item No : 88022 88023 Delock Riser Card PCI Express x1 male 90° angled to x1 slot with cable 30 pcie x1 slot,Compared to larger configurations like x4, x8, and x16, which utilize more lanes for increased bandwidth, PCIe x1 slots offer lower throughput

pcie x1 slot,PCI Express X1 to X16 LP Slot Extension Adapter