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there many types of risers, so many possibilities as per what config you have or want, and what PSU you are using.
Is this where you got the PCIE risers?
https://www.aliexpress.com/item/TISHRIC-VER006C-Blue-1x-to-16x-PCI-Express-Riser-Card-PCI-E-Extender-60cm-USB-3/32800974325.html?spm=2114.40010308.4.2.A3kWYP
for normal ATX PSU, the molex to SATA is fine actually (top left or bottom right - both works)
the pcie type - bottom right, is the one I use if using server PSU
in this case you would skip the use the pcie-sata and directly use pcie-pcie cable