What possible use is a PCI-E x1 SATA III controller?

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There is an unused PCIe slot on the MB, BUT, the GT640 NVidia card covers that slot up Unless someone makes an angled adapter pcie extender?

2 NVMe slot on the motherboard to connect 5 SATA devices Provide 5 SATA ports via PCIe; Supports PCIe Gen3x2 transfer speed; Supports SATA III 6Gbps There is an unused PCIe slot on the MB, BUT, the GT640 NVidia card covers that slot up Unless someone makes an angled adapter pcie extender?

slot dragon99 BEYIMEI PCIE SATA Card 16 Ports, 6 Gbit s SATA PCIe Card, PCIe to SATA Controller Expansion Card, Boot as System Hard Drive, Suitable for All PCIE Slots ( 2nd SSDHDD SATA Notebook Caddy for SATA I-III SSDHDD, The perfect solution for simply upgrading the memory of your notebook